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authorJung-uk Kim <jkim@FreeBSD.org>2015-03-20 15:28:40 +0000
committerJung-uk Kim <jkim@FreeBSD.org>2015-03-20 15:28:40 +0000
commit3d2030852da420b820a661e7b19bb757487e2599 (patch)
tree787cdff35e35be75e53f378b098bba3237a8deb7 /crypto/ecdsa
parent8f5086671f06c811be16442eb6d6fe68e5ba71fc (diff)
downloadsrc-3d2030852da420b820a661e7b19bb757487e2599.tar.gz
src-3d2030852da420b820a661e7b19bb757487e2599.zip
Import OpenSSL 1.0.1m.vendor/openssl/1.0.1m
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=280288 svn path=/vendor-crypto/openssl/1.0.1m/; revision=280289; tag=vendor/openssl/1.0.1m
Diffstat (limited to 'crypto/ecdsa')
-rw-r--r--crypto/ecdsa/ecdsa.h122
-rw-r--r--crypto/ecdsa/ecdsatest.c908
-rw-r--r--crypto/ecdsa/ecs_asn1.c6
-rw-r--r--crypto/ecdsa/ecs_err.c64
-rw-r--r--crypto/ecdsa/ecs_lib.c278
-rw-r--r--crypto/ecdsa/ecs_locl.h65
-rw-r--r--crypto/ecdsa/ecs_ossl.c721
-rw-r--r--crypto/ecdsa/ecs_sign.c62
-rw-r--r--crypto/ecdsa/ecs_vrf.c75
9 files changed, 1120 insertions, 1181 deletions
diff --git a/crypto/ecdsa/ecdsa.h b/crypto/ecdsa/ecdsa.h
index 7fb5254b62e6..faf76b1104fc 100644
--- a/crypto/ecdsa/ecdsa.h
+++ b/crypto/ecdsa/ecdsa.h
@@ -11,7 +11,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -57,29 +57,28 @@
*
*/
#ifndef HEADER_ECDSA_H
-#define HEADER_ECDSA_H
+# define HEADER_ECDSA_H
-#include <openssl/opensslconf.h>
+# include <openssl/opensslconf.h>
-#ifdef OPENSSL_NO_ECDSA
-#error ECDSA is disabled.
-#endif
+# ifdef OPENSSL_NO_ECDSA
+# error ECDSA is disabled.
+# endif
-#include <openssl/ec.h>
-#include <openssl/ossl_typ.h>
-#ifndef OPENSSL_NO_DEPRECATED
-#include <openssl/bn.h>
-#endif
+# include <openssl/ec.h>
+# include <openssl/ossl_typ.h>
+# ifndef OPENSSL_NO_DEPRECATED
+# include <openssl/bn.h>
+# endif
#ifdef __cplusplus
extern "C" {
#endif
-typedef struct ECDSA_SIG_st
- {
- BIGNUM *r;
- BIGNUM *s;
- } ECDSA_SIG;
+typedef struct ECDSA_SIG_st {
+ BIGNUM *r;
+ BIGNUM *s;
+} ECDSA_SIG;
/** Allocates and initialize a ECDSA_SIG structure
* \return pointer to a ECDSA_SIG structure or NULL if an error occurred
@@ -89,18 +88,18 @@ ECDSA_SIG *ECDSA_SIG_new(void);
/** frees a ECDSA_SIG structure
* \param sig pointer to the ECDSA_SIG structure
*/
-void ECDSA_SIG_free(ECDSA_SIG *sig);
+void ECDSA_SIG_free(ECDSA_SIG *sig);
/** DER encode content of ECDSA_SIG object (note: this function modifies *pp
* (*pp += length of the DER encoded signature)).
* \param sig pointer to the ECDSA_SIG object
* \param pp pointer to a unsigned char pointer for the output or NULL
- * \return the length of the DER encoded ECDSA_SIG object or 0
+ * \return the length of the DER encoded ECDSA_SIG object or 0
*/
-int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp);
+int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp);
/** Decodes a DER encoded ECDSA signature (note: this function changes *pp
- * (*pp += len)).
+ * (*pp += len)).
* \param sig pointer to ECDSA_SIG pointer (may be NULL)
* \param pp memory buffer with the DER encoded signature
* \param len length of the buffer
@@ -115,20 +114,22 @@ ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len);
* \param eckey EC_KEY object containing a private EC key
* \return pointer to a ECDSA_SIG structure or NULL if an error occurred
*/
-ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst,int dgst_len,EC_KEY *eckey);
+ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dgst_len,
+ EC_KEY *eckey);
/** Computes ECDSA signature of a given hash value using the supplied
* private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
* \param dgst pointer to the hash value to sign
* \param dgstlen length of the hash value
* \param kinv BIGNUM with a pre-computed inverse k (optional)
- * \param rp BIGNUM with a pre-computed rp value (optioanl),
+ * \param rp BIGNUM with a pre-computed rp value (optioanl),
* see ECDSA_sign_setup
* \param eckey EC_KEY object containing a private EC key
* \return pointer to a ECDSA_SIG structure or NULL if an error occurred
*/
-ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen,
- const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey);
+ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen,
+ const BIGNUM *kinv, const BIGNUM *rp,
+ EC_KEY *eckey);
/** Verifies that the supplied signature is a valid ECDSA
* signature of the supplied hash value using the supplied public key.
@@ -139,15 +140,15 @@ ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen,
* \return 1 if the signature is valid, 0 if the signature is invalid
* and -1 on error
*/
-int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
- const ECDSA_SIG *sig, EC_KEY* eckey);
+int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
+ const ECDSA_SIG *sig, EC_KEY *eckey);
const ECDSA_METHOD *ECDSA_OpenSSL(void);
/** Sets the default ECDSA method
* \param meth new default ECDSA_METHOD
*/
-void ECDSA_set_default_method(const ECDSA_METHOD *meth);
+void ECDSA_set_default_method(const ECDSA_METHOD *meth);
/** Returns the default ECDSA method
* \return pointer to ECDSA_METHOD structure containing the default method
@@ -157,15 +158,15 @@ const ECDSA_METHOD *ECDSA_get_default_method(void);
/** Sets method to be used for the ECDSA operations
* \param eckey EC_KEY object
* \param meth new method
- * \return 1 on success and 0 otherwise
+ * \return 1 on success and 0 otherwise
*/
-int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth);
+int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth);
/** Returns the maximum length of the DER encoded signature
* \param eckey EC_KEY object
* \return numbers of bytes required for the DER encoded signature
*/
-int ECDSA_size(const EC_KEY *eckey);
+int ECDSA_size(const EC_KEY *eckey);
/** Precompute parts of the signing operation
* \param eckey EC_KEY object containing a private EC key
@@ -174,8 +175,7 @@ int ECDSA_size(const EC_KEY *eckey);
* \param rp BIGNUM pointer for x coordinate of k * generator
* \return 1 on success and 0 otherwise
*/
-int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
- BIGNUM **rp);
+int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **rp);
/** Computes ECDSA signature of a given hash value using the supplied
* private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
@@ -187,9 +187,8 @@ int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
* \param eckey EC_KEY object containing a private EC key
* \return 1 on success and 0 otherwise
*/
-int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen,
- unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
-
+int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen,
+ unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
/** Computes ECDSA signature of a given hash value using the supplied
* private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
@@ -199,19 +198,19 @@ int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen,
* \param sig buffer to hold the DER encoded signature
* \param siglen pointer to the length of the returned signature
* \param kinv BIGNUM with a pre-computed inverse k (optional)
- * \param rp BIGNUM with a pre-computed rp value (optioanl),
+ * \param rp BIGNUM with a pre-computed rp value (optioanl),
* see ECDSA_sign_setup
* \param eckey EC_KEY object containing a private EC key
* \return 1 on success and 0 otherwise
*/
-int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen,
- unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv,
- const BIGNUM *rp, EC_KEY *eckey);
+int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen,
+ unsigned char *sig, unsigned int *siglen,
+ const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey);
/** Verifies that the given signature is valid ECDSA signature
* of the supplied hash value using the specified public key.
* \param type this parameter is ignored
- * \param dgst pointer to the hash value
+ * \param dgst pointer to the hash value
* \param dgstlen length of the hash value
* \param sig pointer to the DER encoded signature
* \param siglen length of the DER encoded signature
@@ -219,18 +218,19 @@ int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen,
* \return 1 if the signature is valid, 0 if the signature is invalid
* and -1 on error
*/
-int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen,
- const unsigned char *sig, int siglen, EC_KEY *eckey);
+int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen,
+ const unsigned char *sig, int siglen, EC_KEY *eckey);
/* the standard ex_data functions */
-int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new
- *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
-int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg);
-void *ECDSA_get_ex_data(EC_KEY *d, int idx);
-
+int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new
+ *new_func, CRYPTO_EX_dup *dup_func,
+ CRYPTO_EX_free *free_func);
+int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg);
+void *ECDSA_get_ex_data(EC_KEY *d, int idx);
/* BEGIN ERROR CODES */
-/* The following lines are auto generated by the script mkerr.pl. Any changes
+/*
+ * The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
*/
void ERR_load_ECDSA_strings(void);
@@ -238,21 +238,21 @@ void ERR_load_ECDSA_strings(void);
/* Error codes for the ECDSA functions. */
/* Function codes. */
-#define ECDSA_F_ECDSA_CHECK 104
-#define ECDSA_F_ECDSA_DATA_NEW_METHOD 100
-#define ECDSA_F_ECDSA_DO_SIGN 101
-#define ECDSA_F_ECDSA_DO_VERIFY 102
-#define ECDSA_F_ECDSA_SIGN_SETUP 103
+# define ECDSA_F_ECDSA_CHECK 104
+# define ECDSA_F_ECDSA_DATA_NEW_METHOD 100
+# define ECDSA_F_ECDSA_DO_SIGN 101
+# define ECDSA_F_ECDSA_DO_VERIFY 102
+# define ECDSA_F_ECDSA_SIGN_SETUP 103
/* Reason codes. */
-#define ECDSA_R_BAD_SIGNATURE 100
-#define ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 101
-#define ECDSA_R_ERR_EC_LIB 102
-#define ECDSA_R_MISSING_PARAMETERS 103
-#define ECDSA_R_NEED_NEW_SETUP_VALUES 106
-#define ECDSA_R_NON_FIPS_METHOD 107
-#define ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED 104
-#define ECDSA_R_SIGNATURE_MALLOC_FAILED 105
+# define ECDSA_R_BAD_SIGNATURE 100
+# define ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 101
+# define ECDSA_R_ERR_EC_LIB 102
+# define ECDSA_R_MISSING_PARAMETERS 103
+# define ECDSA_R_NEED_NEW_SETUP_VALUES 106
+# define ECDSA_R_NON_FIPS_METHOD 107
+# define ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED 104
+# define ECDSA_R_SIGNATURE_MALLOC_FAILED 105
#ifdef __cplusplus
}
diff --git a/crypto/ecdsa/ecdsatest.c b/crypto/ecdsa/ecdsatest.c
index 537bb30362cf..b2d78f3d55e4 100644
--- a/crypto/ecdsa/ecdsatest.c
+++ b/crypto/ecdsa/ecdsatest.c
@@ -10,7 +10,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -58,13 +58,13 @@
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
*
- * Portions of the attached software ("Contribution") are developed by
+ * Portions of the attached software ("Contribution") are developed by
* SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
*
* The Contribution is licensed pursuant to the OpenSSL open source
* license provided above.
*
- * The elliptic curve binary polynomial software is originally written by
+ * The elliptic curve binary polynomial software is originally written by
* Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
*
*/
@@ -76,26 +76,26 @@
#include <openssl/opensslconf.h> /* To see if OPENSSL_NO_ECDSA is defined */
#ifdef OPENSSL_NO_ECDSA
-int main(int argc, char * argv[])
- {
- puts("Elliptic curves are disabled.");
- return 0;
- }
+int main(int argc, char *argv[])
+{
+ puts("Elliptic curves are disabled.");
+ return 0;
+}
#else
-#include <openssl/crypto.h>
-#include <openssl/bio.h>
-#include <openssl/evp.h>
-#include <openssl/bn.h>
-#include <openssl/ecdsa.h>
-#ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
-#endif
-#include <openssl/err.h>
-#include <openssl/rand.h>
+# include <openssl/crypto.h>
+# include <openssl/bio.h>
+# include <openssl/evp.h>
+# include <openssl/bn.h>
+# include <openssl/ecdsa.h>
+# ifndef OPENSSL_NO_ENGINE
+# include <openssl/engine.h>
+# endif
+# include <openssl/err.h>
+# include <openssl/rand.h>
static const char rnd_seed[] = "string to make the random number generator "
- "think it has entropy";
+ "think it has entropy";
/* declaration of the test functions */
int x9_62_tests(BIO *);
@@ -107,466 +107,450 @@ int change_rand(void);
int restore_rand(void);
int fbytes(unsigned char *buf, int num);
-RAND_METHOD fake_rand;
+RAND_METHOD fake_rand;
const RAND_METHOD *old_rand;
int change_rand(void)
- {
- /* save old rand method */
- if ((old_rand = RAND_get_rand_method()) == NULL)
- return 0;
-
- fake_rand.seed = old_rand->seed;
- fake_rand.cleanup = old_rand->cleanup;
- fake_rand.add = old_rand->add;
- fake_rand.status = old_rand->status;
- /* use own random function */
- fake_rand.bytes = fbytes;
- fake_rand.pseudorand = old_rand->bytes;
- /* set new RAND_METHOD */
- if (!RAND_set_rand_method(&fake_rand))
- return 0;
- return 1;
- }
+{
+ /* save old rand method */
+ if ((old_rand = RAND_get_rand_method()) == NULL)
+ return 0;
+
+ fake_rand.seed = old_rand->seed;
+ fake_rand.cleanup = old_rand->cleanup;
+ fake_rand.add = old_rand->add;
+ fake_rand.status = old_rand->status;
+ /* use own random function */
+ fake_rand.bytes = fbytes;
+ fake_rand.pseudorand = old_rand->bytes;
+ /* set new RAND_METHOD */
+ if (!RAND_set_rand_method(&fake_rand))
+ return 0;
+ return 1;
+}
int restore_rand(void)
- {
- if (!RAND_set_rand_method(old_rand))
- return 0;
- else
- return 1;
- }
+{
+ if (!RAND_set_rand_method(old_rand))
+ return 0;
+ else
+ return 1;
+}
static int fbytes_counter = 0;
static const char *numbers[8] = {
- "651056770906015076056810763456358567190100156695615665659",
- "6140507067065001063065065565667405560006161556565665656654",
- "8763001015071075675010661307616710783570106710677817767166"
- "71676178726717",
- "7000000175690566466555057817571571075705015757757057795755"
- "55657156756655",
- "1275552191113212300012030439187146164646146646466749494799",
- "1542725565216523985789236956265265265235675811949404040041",
- "1456427555219115346513212300075341203043918714616464614664"
- "64667494947990",
- "1712787255652165239672857892369562652652652356758119494040"
- "40041670216363"};
+ "651056770906015076056810763456358567190100156695615665659",
+ "6140507067065001063065065565667405560006161556565665656654",
+ "8763001015071075675010661307616710783570106710677817767166"
+ "71676178726717",
+ "7000000175690566466555057817571571075705015757757057795755"
+ "55657156756655",
+ "1275552191113212300012030439187146164646146646466749494799",
+ "1542725565216523985789236956265265265235675811949404040041",
+ "1456427555219115346513212300075341203043918714616464614664"
+ "64667494947990",
+ "1712787255652165239672857892369562652652652356758119494040"
+ "40041670216363"
+};
int fbytes(unsigned char *buf, int num)
- {
- int ret;
- BIGNUM *tmp = NULL;
-
- if (fbytes_counter >= 8)
- return 0;
- tmp = BN_new();
- if (!tmp)
- return 0;
- if (!BN_dec2bn(&tmp, numbers[fbytes_counter]))
- {
- BN_free(tmp);
- return 0;
- }
- fbytes_counter ++;
- if (num != BN_num_bytes(tmp) || !BN_bn2bin(tmp, buf))
- ret = 0;
- else
- ret = 1;
- if (tmp)
- BN_free(tmp);
- return ret;
- }
+{
+ int ret;
+ BIGNUM *tmp = NULL;
+
+ if (fbytes_counter >= 8)
+ return 0;
+ tmp = BN_new();
+ if (!tmp)
+ return 0;
+ if (!BN_dec2bn(&tmp, numbers[fbytes_counter])) {
+ BN_free(tmp);
+ return 0;
+ }
+ fbytes_counter++;
+ if (num != BN_num_bytes(tmp) || !BN_bn2bin(tmp, buf))
+ ret = 0;
+ else
+ ret = 1;
+ if (tmp)
+ BN_free(tmp);
+ return ret;
+}
/* some tests from the X9.62 draft */
int x9_62_test_internal(BIO *out, int nid, const char *r_in, const char *s_in)
- {
- int ret = 0;
- const char message[] = "abc";
- unsigned char digest[20];
- unsigned int dgst_len = 0;
- EVP_MD_CTX md_ctx;
- EC_KEY *key = NULL;
- ECDSA_SIG *signature = NULL;
- BIGNUM *r = NULL, *s = NULL;
-
- EVP_MD_CTX_init(&md_ctx);
- /* get the message digest */
- EVP_DigestInit(&md_ctx, EVP_ecdsa());
- EVP_DigestUpdate(&md_ctx, (const void*)message, 3);
- EVP_DigestFinal(&md_ctx, digest, &dgst_len);
-
- BIO_printf(out, "testing %s: ", OBJ_nid2sn(nid));
- /* create the key */
- if ((key = EC_KEY_new_by_curve_name(nid)) == NULL)
- goto x962_int_err;
- if (!EC_KEY_generate_key(key))
- goto x962_int_err;
- BIO_printf(out, ".");
- (void)BIO_flush(out);
- /* create the signature */
- signature = ECDSA_do_sign(digest, 20, key);
- if (signature == NULL)
- goto x962_int_err;
- BIO_printf(out, ".");
- (void)BIO_flush(out);
- /* compare the created signature with the expected signature */
- if ((r = BN_new()) == NULL || (s = BN_new()) == NULL)
- goto x962_int_err;
- if (!BN_dec2bn(&r, r_in) ||
- !BN_dec2bn(&s, s_in))
- goto x962_int_err;
- if (BN_cmp(signature->r ,r) || BN_cmp(signature->s, s))
- goto x962_int_err;
- BIO_printf(out, ".");
- (void)BIO_flush(out);
- /* verify the signature */
- if (ECDSA_do_verify(digest, 20, signature, key) != 1)
- goto x962_int_err;
- BIO_printf(out, ".");
- (void)BIO_flush(out);
-
- BIO_printf(out, " ok\n");
- ret = 1;
-x962_int_err:
- if (!ret)
- BIO_printf(out, " failed\n");
- if (key)
- EC_KEY_free(key);
- if (signature)
- ECDSA_SIG_free(signature);
- if (r)
- BN_free(r);
- if (s)
- BN_free(s);
- EVP_MD_CTX_cleanup(&md_ctx);
- return ret;
- }
+{
+ int ret = 0;
+ const char message[] = "abc";
+ unsigned char digest[20];
+ unsigned int dgst_len = 0;
+ EVP_MD_CTX md_ctx;
+ EC_KEY *key = NULL;
+ ECDSA_SIG *signature = NULL;
+ BIGNUM *r = NULL, *s = NULL;
+
+ EVP_MD_CTX_init(&md_ctx);
+ /* get the message digest */
+ EVP_DigestInit(&md_ctx, EVP_ecdsa());
+ EVP_DigestUpdate(&md_ctx, (const void *)message, 3);
+ EVP_DigestFinal(&md_ctx, digest, &dgst_len);
+
+ BIO_printf(out, "testing %s: ", OBJ_nid2sn(nid));
+ /* create the key */
+ if ((key = EC_KEY_new_by_curve_name(nid)) == NULL)
+ goto x962_int_err;
+ if (!EC_KEY_generate_key(key))
+ goto x962_int_err;
+ BIO_printf(out, ".");
+ (void)BIO_flush(out);
+ /* create the signature */
+ signature = ECDSA_do_sign(digest, 20, key);
+ if (signature == NULL)
+ goto x962_int_err;
+ BIO_printf(out, ".");
+ (void)BIO_flush(out);
+ /* compare the created signature with the expected signature */
+ if ((r = BN_new()) == NULL || (s = BN_new()) == NULL)
+ goto x962_int_err;
+ if (!BN_dec2bn(&r, r_in) || !BN_dec2bn(&s, s_in))
+ goto x962_int_err;
+ if (BN_cmp(signature->r, r) || BN_cmp(signature->s, s))
+ goto x962_int_err;
+ BIO_printf(out, ".");
+ (void)BIO_flush(out);
+ /* verify the signature */
+ if (ECDSA_do_verify(digest, 20, signature, key) != 1)
+ goto x962_int_err;
+ BIO_printf(out, ".");
+ (void)BIO_flush(out);
+
+ BIO_printf(out, " ok\n");
+ ret = 1;
+ x962_int_err:
+ if (!ret)
+ BIO_printf(out, " failed\n");
+ if (key)
+ EC_KEY_free(key);
+ if (signature)
+ ECDSA_SIG_free(signature);
+ if (r)
+ BN_free(r);
+ if (s)
+ BN_free(s);
+ EVP_MD_CTX_cleanup(&md_ctx);
+ return ret;
+}
int x9_62_tests(BIO *out)
- {
- int ret = 0;
-
- BIO_printf(out, "some tests from X9.62:\n");
-
- /* set own rand method */
- if (!change_rand())
- goto x962_err;
-
- if (!x9_62_test_internal(out, NID_X9_62_prime192v1,
- "3342403536405981729393488334694600415596881826869351677613",
- "5735822328888155254683894997897571951568553642892029982342"))
- goto x962_err;
- if (!x9_62_test_internal(out, NID_X9_62_prime239v1,
- "3086361431751678114926225473006680188549593787585317781474"
- "62058306432176",
- "3238135532097973577080787768312505059318910517550078427819"
- "78505179448783"))
- goto x962_err;
-#ifndef OPENSSL_NO_EC2M
- if (!x9_62_test_internal(out, NID_X9_62_c2tnb191v1,
- "87194383164871543355722284926904419997237591535066528048",
- "308992691965804947361541664549085895292153777025772063598"))
- goto x962_err;
- if (!x9_62_test_internal(out, NID_X9_62_c2tnb239v1,
- "2159633321041961198501834003903461262881815148684178964245"
- "5876922391552",
- "1970303740007316867383349976549972270528498040721988191026"
- "49413465737174"))
- goto x962_err;
-#endif
- ret = 1;
-x962_err:
- if (!restore_rand())
- ret = 0;
- return ret;
- }
+{
+ int ret = 0;
+
+ BIO_printf(out, "some tests from X9.62:\n");
+
+ /* set own rand method */
+ if (!change_rand())
+ goto x962_err;
+
+ if (!x9_62_test_internal(out, NID_X9_62_prime192v1,
+ "3342403536405981729393488334694600415596881826869351677613",
+ "5735822328888155254683894997897571951568553642892029982342"))
+ goto x962_err;
+ if (!x9_62_test_internal(out, NID_X9_62_prime239v1,
+ "3086361431751678114926225473006680188549593787585317781474"
+ "62058306432176",
+ "3238135532097973577080787768312505059318910517550078427819"
+ "78505179448783"))
+ goto x962_err;
+# ifndef OPENSSL_NO_EC2M
+ if (!x9_62_test_internal(out, NID_X9_62_c2tnb191v1,
+ "87194383164871543355722284926904419997237591535066528048",
+ "308992691965804947361541664549085895292153777025772063598"))
+ goto x962_err;
+ if (!x9_62_test_internal(out, NID_X9_62_c2tnb239v1,
+ "2159633321041961198501834003903461262881815148684178964245"
+ "5876922391552",
+ "1970303740007316867383349976549972270528498040721988191026"
+ "49413465737174"))
+ goto x962_err;
+# endif
+ ret = 1;
+ x962_err:
+ if (!restore_rand())
+ ret = 0;
+ return ret;
+}
int test_builtin(BIO *out)
- {
- EC_builtin_curve *curves = NULL;
- size_t crv_len = 0, n = 0;
- EC_KEY *eckey = NULL, *wrong_eckey = NULL;
- EC_GROUP *group;
- ECDSA_SIG *ecdsa_sig = NULL;
- unsigned char digest[20], wrong_digest[20];
- unsigned char *signature = NULL;
- const unsigned char *sig_ptr;
- unsigned char *sig_ptr2;
- unsigned char *raw_buf = NULL;
- unsigned int sig_len, degree, r_len, s_len, bn_len, buf_len;
- int nid, ret = 0;
-
- /* fill digest values with some random data */
- if (!RAND_pseudo_bytes(digest, 20) ||
- !RAND_pseudo_bytes(wrong_digest, 20))
- {
- BIO_printf(out, "ERROR: unable to get random data\n");
- goto builtin_err;
- }
-
- /* create and verify a ecdsa signature with every availble curve
- * (with ) */
- BIO_printf(out, "\ntesting ECDSA_sign() and ECDSA_verify() "
- "with some internal curves:\n");
-
- /* get a list of all internal curves */
- crv_len = EC_get_builtin_curves(NULL, 0);
-
- curves = OPENSSL_malloc(sizeof(EC_builtin_curve) * crv_len);
-
- if (curves == NULL)
- {
- BIO_printf(out, "malloc error\n");
- goto builtin_err;
- }
-
- if (!EC_get_builtin_curves(curves, crv_len))
- {
- BIO_printf(out, "unable to get internal curves\n");
- goto builtin_err;
- }
-
- /* now create and verify a signature for every curve */
- for (n = 0; n < crv_len; n++)
- {
- unsigned char dirt, offset;
-
- nid = curves[n].nid;
- if (nid == NID_ipsec4)
- continue;
- /* create new ecdsa key (== EC_KEY) */
- if ((eckey = EC_KEY_new()) == NULL)
- goto builtin_err;
- group = EC_GROUP_new_by_curve_name(nid);
- if (group == NULL)
- goto builtin_err;
- if (EC_KEY_set_group(eckey, group) == 0)
- goto builtin_err;
- EC_GROUP_free(group);
- degree = EC_GROUP_get_degree(EC_KEY_get0_group(eckey));
- if (degree < 160)
- /* drop the curve */
- {
- EC_KEY_free(eckey);
- eckey = NULL;
- continue;
- }
- BIO_printf(out, "%s: ", OBJ_nid2sn(nid));
- /* create key */
- if (!EC_KEY_generate_key(eckey))
- {
- BIO_printf(out, " failed\n");
- goto builtin_err;
- }
- /* create second key */
- if ((wrong_eckey = EC_KEY_new()) == NULL)
- goto builtin_err;
- group = EC_GROUP_new_by_curve_name(nid);
- if (group == NULL)
- goto builtin_err;
- if (EC_KEY_set_group(wrong_eckey, group) == 0)
- goto builtin_err;
- EC_GROUP_free(group);
- if (!EC_KEY_generate_key(wrong_eckey))
- {
- BIO_printf(out, " failed\n");
- goto builtin_err;
- }
-
- BIO_printf(out, ".");
- (void)BIO_flush(out);
- /* check key */
- if (!EC_KEY_check_key(eckey))
- {
- BIO_printf(out, " failed\n");
- goto builtin_err;
- }
- BIO_printf(out, ".");
- (void)BIO_flush(out);
- /* create signature */
- sig_len = ECDSA_size(eckey);
- if ((signature = OPENSSL_malloc(sig_len)) == NULL)
- goto builtin_err;
- if (!ECDSA_sign(0, digest, 20, signature, &sig_len, eckey))
- {
- BIO_printf(out, " failed\n");
- goto builtin_err;
- }
- BIO_printf(out, ".");
- (void)BIO_flush(out);
- /* verify signature */
- if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) != 1)
- {
- BIO_printf(out, " failed\n");
- goto builtin_err;
- }
- BIO_printf(out, ".");
- (void)BIO_flush(out);
- /* verify signature with the wrong key */
- if (ECDSA_verify(0, digest, 20, signature, sig_len,
- wrong_eckey) == 1)
- {
- BIO_printf(out, " failed\n");
- goto builtin_err;
- }
- BIO_printf(out, ".");
- (void)BIO_flush(out);
- /* wrong digest */
- if (ECDSA_verify(0, wrong_digest, 20, signature, sig_len,
- eckey) == 1)
- {
- BIO_printf(out, " failed\n");
- goto builtin_err;
- }
- BIO_printf(out, ".");
- (void)BIO_flush(out);
- /* wrong length */
- if (ECDSA_verify(0, digest, 20, signature, sig_len - 1,
- eckey) == 1)
- {
- BIO_printf(out, " failed\n");
- goto builtin_err;
- }
- BIO_printf(out, ".");
- (void)BIO_flush(out);
-
- /* Modify a single byte of the signature: to ensure we don't
- * garble the ASN1 structure, we read the raw signature and
- * modify a byte in one of the bignums directly. */
- sig_ptr = signature;
- if ((ecdsa_sig = d2i_ECDSA_SIG(NULL, &sig_ptr, sig_len)) == NULL)
- {
- BIO_printf(out, " failed\n");
- goto builtin_err;
- }
-
- /* Store the two BIGNUMs in raw_buf. */
- r_len = BN_num_bytes(ecdsa_sig->r);
- s_len = BN_num_bytes(ecdsa_sig->s);
- bn_len = (degree + 7) / 8;
- if ((r_len > bn_len) || (s_len > bn_len))
- {
- BIO_printf(out, " failed\n");
- goto builtin_err;
- }
- buf_len = 2 * bn_len;
- if ((raw_buf = OPENSSL_malloc(buf_len)) == NULL)
- goto builtin_err;
- /* Pad the bignums with leading zeroes. */
- memset(raw_buf, 0, buf_len);
- BN_bn2bin(ecdsa_sig->r, raw_buf + bn_len - r_len);
- BN_bn2bin(ecdsa_sig->s, raw_buf + buf_len - s_len);
-
- /* Modify a single byte in the buffer. */
- offset = raw_buf[10] % buf_len;
- dirt = raw_buf[11] ? raw_buf[11] : 1;
- raw_buf[offset] ^= dirt;
- /* Now read the BIGNUMs back in from raw_buf. */
- if ((BN_bin2bn(raw_buf, bn_len, ecdsa_sig->r) == NULL) ||
- (BN_bin2bn(raw_buf + bn_len, bn_len, ecdsa_sig->s) == NULL))
- goto builtin_err;
-
- sig_ptr2 = signature;
- sig_len = i2d_ECDSA_SIG(ecdsa_sig, &sig_ptr2);
- if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) == 1)
- {
- BIO_printf(out, " failed\n");
- goto builtin_err;
- }
- /* Sanity check: undo the modification and verify signature. */
- raw_buf[offset] ^= dirt;
- if ((BN_bin2bn(raw_buf, bn_len, ecdsa_sig->r) == NULL) ||
- (BN_bin2bn(raw_buf + bn_len, bn_len, ecdsa_sig->s) == NULL))
- goto builtin_err;
-
- sig_ptr2 = signature;
- sig_len = i2d_ECDSA_SIG(ecdsa_sig, &sig_ptr2);
- if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) != 1)
- {
- BIO_printf(out, " failed\n");
- goto builtin_err;
- }
- BIO_printf(out, ".");
- (void)BIO_flush(out);
-
- BIO_printf(out, " ok\n");
- /* cleanup */
- /* clean bogus errors */
- ERR_clear_error();
- OPENSSL_free(signature);
- signature = NULL;
- EC_KEY_free(eckey);
- eckey = NULL;
- EC_KEY_free(wrong_eckey);
- wrong_eckey = NULL;
- ECDSA_SIG_free(ecdsa_sig);
- ecdsa_sig = NULL;
- OPENSSL_free(raw_buf);
- raw_buf = NULL;
- }
-
- ret = 1;
-builtin_err:
- if (eckey)
- EC_KEY_free(eckey);
- if (wrong_eckey)
- EC_KEY_free(wrong_eckey);
- if (ecdsa_sig)
- ECDSA_SIG_free(ecdsa_sig);
- if (signature)
- OPENSSL_free(signature);
- if (raw_buf)
- OPENSSL_free(raw_buf);
- if (curves)
- OPENSSL_free(curves);
-
- return ret;
- }
+{
+ EC_builtin_curve *curves = NULL;
+ size_t crv_len = 0, n = 0;
+ EC_KEY *eckey = NULL, *wrong_eckey = NULL;
+ EC_GROUP *group;
+ ECDSA_SIG *ecdsa_sig = NULL;
+ unsigned char digest[20], wrong_digest[20];
+ unsigned char *signature = NULL;
+ const unsigned char *sig_ptr;
+ unsigned char *sig_ptr2;
+ unsigned char *raw_buf = NULL;
+ unsigned int sig_len, degree, r_len, s_len, bn_len, buf_len;
+ int nid, ret = 0;
+
+ /* fill digest values with some random data */
+ if (!RAND_pseudo_bytes(digest, 20) ||
+ !RAND_pseudo_bytes(wrong_digest, 20)) {
+ BIO_printf(out, "ERROR: unable to get random data\n");
+ goto builtin_err;
+ }
+
+ /*
+ * create and verify a ecdsa signature with every availble curve (with )
+ */
+ BIO_printf(out, "\ntesting ECDSA_sign() and ECDSA_verify() "
+ "with some internal curves:\n");
+
+ /* get a list of all internal curves */
+ crv_len = EC_get_builtin_curves(NULL, 0);
+
+ curves = OPENSSL_malloc(sizeof(EC_builtin_curve) * crv_len);
+
+ if (curves == NULL) {
+ BIO_printf(out, "malloc error\n");
+ goto builtin_err;
+ }
+
+ if (!EC_get_builtin_curves(curves, crv_len)) {
+ BIO_printf(out, "unable to get internal curves\n");
+ goto builtin_err;
+ }
+
+ /* now create and verify a signature for every curve */
+ for (n = 0; n < crv_len; n++) {
+ unsigned char dirt, offset;
+
+ nid = curves[n].nid;
+ if (nid == NID_ipsec4)
+ continue;
+ /* create new ecdsa key (== EC_KEY) */
+ if ((eckey = EC_KEY_new()) == NULL)
+ goto builtin_err;
+ group = EC_GROUP_new_by_curve_name(nid);
+ if (group == NULL)
+ goto builtin_err;
+ if (EC_KEY_set_group(eckey, group) == 0)
+ goto builtin_err;
+ EC_GROUP_free(group);
+ degree = EC_GROUP_get_degree(EC_KEY_get0_group(eckey));
+ if (degree < 160)
+ /* drop the curve */
+ {
+ EC_KEY_free(eckey);
+ eckey = NULL;
+ continue;
+ }
+ BIO_printf(out, "%s: ", OBJ_nid2sn(nid));
+ /* create key */
+ if (!EC_KEY_generate_key(eckey)) {
+ BIO_printf(out, " failed\n");
+ goto builtin_err;
+ }
+ /* create second key */
+ if ((wrong_eckey = EC_KEY_new()) == NULL)
+ goto builtin_err;
+ group = EC_GROUP_new_by_curve_name(nid);
+ if (group == NULL)
+ goto builtin_err;
+ if (EC_KEY_set_group(wrong_eckey, group) == 0)
+ goto builtin_err;
+ EC_GROUP_free(group);
+ if (!EC_KEY_generate_key(wrong_eckey)) {
+ BIO_printf(out, " failed\n");
+ goto builtin_err;
+ }
+
+ BIO_printf(out, ".");
+ (void)BIO_flush(out);
+ /* check key */
+ if (!EC_KEY_check_key(eckey)) {
+ BIO_printf(out, " failed\n");
+ goto builtin_err;
+ }
+ BIO_printf(out, ".");
+ (void)BIO_flush(out);
+ /* create signature */
+ sig_len = ECDSA_size(eckey);
+ if ((signature = OPENSSL_malloc(sig_len)) == NULL)
+ goto builtin_err;
+ if (!ECDSA_sign(0, digest, 20, signature, &sig_len, eckey)) {
+ BIO_printf(out, " failed\n");
+ goto builtin_err;
+ }
+ BIO_printf(out, ".");
+ (void)BIO_flush(out);
+ /* verify signature */
+ if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) != 1) {
+ BIO_printf(out, " failed\n");
+ goto builtin_err;
+ }
+ BIO_printf(out, ".");
+ (void)BIO_flush(out);
+ /* verify signature with the wrong key */
+ if (ECDSA_verify(0, digest, 20, signature, sig_len, wrong_eckey) == 1) {
+ BIO_printf(out, " failed\n");
+ goto builtin_err;
+ }
+ BIO_printf(out, ".");
+ (void)BIO_flush(out);
+ /* wrong digest */
+ if (ECDSA_verify(0, wrong_digest, 20, signature, sig_len, eckey) == 1) {
+ BIO_printf(out, " failed\n");
+ goto builtin_err;
+ }
+ BIO_printf(out, ".");
+ (void)BIO_flush(out);
+ /* wrong length */
+ if (ECDSA_verify(0, digest, 20, signature, sig_len - 1, eckey) == 1) {
+ BIO_printf(out, " failed\n");
+ goto builtin_err;
+ }
+ BIO_printf(out, ".");
+ (void)BIO_flush(out);
+
+ /*
+ * Modify a single byte of the signature: to ensure we don't garble
+ * the ASN1 structure, we read the raw signature and modify a byte in
+ * one of the bignums directly.
+ */
+ sig_ptr = signature;
+ if ((ecdsa_sig = d2i_ECDSA_SIG(NULL, &sig_ptr, sig_len)) == NULL) {
+ BIO_printf(out, " failed\n");
+ goto builtin_err;
+ }
+
+ /* Store the two BIGNUMs in raw_buf. */
+ r_len = BN_num_bytes(ecdsa_sig->r);
+ s_len = BN_num_bytes(ecdsa_sig->s);
+ bn_len = (degree + 7) / 8;
+ if ((r_len > bn_len) || (s_len > bn_len)) {
+ BIO_printf(out, " failed\n");
+ goto builtin_err;
+ }
+ buf_len = 2 * bn_len;
+ if ((raw_buf = OPENSSL_malloc(buf_len)) == NULL)
+ goto builtin_err;
+ /* Pad the bignums with leading zeroes. */
+ memset(raw_buf, 0, buf_len);
+ BN_bn2bin(ecdsa_sig->r, raw_buf + bn_len - r_len);
+ BN_bn2bin(ecdsa_sig->s, raw_buf + buf_len - s_len);
+
+ /* Modify a single byte in the buffer. */
+ offset = raw_buf[10] % buf_len;
+ dirt = raw_buf[11] ? raw_buf[11] : 1;
+ raw_buf[offset] ^= dirt;
+ /* Now read the BIGNUMs back in from raw_buf. */
+ if ((BN_bin2bn(raw_buf, bn_len, ecdsa_sig->r) == NULL) ||
+ (BN_bin2bn(raw_buf + bn_len, bn_len, ecdsa_sig->s) == NULL))
+ goto builtin_err;
+
+ sig_ptr2 = signature;
+ sig_len = i2d_ECDSA_SIG(ecdsa_sig, &sig_ptr2);
+ if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) == 1) {
+ BIO_printf(out, " failed\n");
+ goto builtin_err;
+ }
+ /*
+ * Sanity check: undo the modification and verify signature.
+ */
+ raw_buf[offset] ^= dirt;
+ if ((BN_bin2bn(raw_buf, bn_len, ecdsa_sig->r) == NULL) ||
+ (BN_bin2bn(raw_buf + bn_len, bn_len, ecdsa_sig->s) == NULL))
+ goto builtin_err;
+
+ sig_ptr2 = signature;
+ sig_len = i2d_ECDSA_SIG(ecdsa_sig, &sig_ptr2);
+ if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) != 1) {
+ BIO_printf(out, " failed\n");
+ goto builtin_err;
+ }
+ BIO_printf(out, ".");
+ (void)BIO_flush(out);
+
+ BIO_printf(out, " ok\n");
+ /* cleanup */
+ /* clean bogus errors */
+ ERR_clear_error();
+ OPENSSL_free(signature);
+ signature = NULL;
+ EC_KEY_free(eckey);
+ eckey = NULL;
+ EC_KEY_free(wrong_eckey);
+ wrong_eckey = NULL;
+ ECDSA_SIG_free(ecdsa_sig);
+ ecdsa_sig = NULL;
+ OPENSSL_free(raw_buf);
+ raw_buf = NULL;
+ }
+
+ ret = 1;
+ builtin_err:
+ if (eckey)
+ EC_KEY_free(eckey);
+ if (wrong_eckey)
+ EC_KEY_free(wrong_eckey);
+ if (ecdsa_sig)
+ ECDSA_SIG_free(ecdsa_sig);
+ if (signature)
+ OPENSSL_free(signature);
+ if (raw_buf)
+ OPENSSL_free(raw_buf);
+ if (curves)
+ OPENSSL_free(curves);
+
+ return ret;
+}
int main(void)
- {
- int ret = 1;
- BIO *out;
-
- out = BIO_new_fp(stdout, BIO_NOCLOSE);
-
- /* enable memory leak checking unless explicitly disabled */
- if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) &&
- (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
- {
- CRYPTO_malloc_debug_init();
- CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
- }
- else
- {
- /* OPENSSL_DEBUG_MEMORY=off */
- CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
- }
- CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
-
- ERR_load_crypto_strings();
-
- /* initialize the prng */
- RAND_seed(rnd_seed, sizeof(rnd_seed));
-
- /* the tests */
- if (!x9_62_tests(out)) goto err;
- if (!test_builtin(out)) goto err;
-
- ret = 0;
-err:
- if (ret)
- BIO_printf(out, "\nECDSA test failed\n");
- else
- BIO_printf(out, "\nECDSA test passed\n");
- if (ret)
- ERR_print_errors(out);
- CRYPTO_cleanup_all_ex_data();
- ERR_remove_thread_state(NULL);
- ERR_free_strings();
- CRYPTO_mem_leaks(out);
- if (out != NULL)
- BIO_free(out);
- return ret;
- }
+{
+ int ret = 1;
+ BIO *out;
+
+ out = BIO_new_fp(stdout, BIO_NOCLOSE);
+
+ /* enable memory leak checking unless explicitly disabled */
+ if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) &&
+ (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off")))) {
+ CRYPTO_malloc_debug_init();
+ CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
+ } else {
+ /* OPENSSL_DEBUG_MEMORY=off */
+ CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
+ }
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+
+ ERR_load_crypto_strings();
+
+ /* initialize the prng */
+ RAND_seed(rnd_seed, sizeof(rnd_seed));
+
+ /* the tests */
+ if (!x9_62_tests(out))
+ goto err;
+ if (!test_builtin(out))
+ goto err;
+
+ ret = 0;
+ err:
+ if (ret)
+ BIO_printf(out, "\nECDSA test failed\n");
+ else
+ BIO_printf(out, "\nECDSA test passed\n");
+ if (ret)
+ ERR_print_errors(out);
+ CRYPTO_cleanup_all_ex_data();
+ ERR_remove_thread_state(NULL);
+ ERR_free_strings();
+ CRYPTO_mem_leaks(out);
+ if (out != NULL)
+ BIO_free(out);
+ return ret;
+}
#endif
diff --git a/crypto/ecdsa/ecs_asn1.c b/crypto/ecdsa/ecs_asn1.c
index b295489400e7..508b079f2547 100644
--- a/crypto/ecdsa/ecs_asn1.c
+++ b/crypto/ecdsa/ecs_asn1.c
@@ -7,7 +7,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -58,8 +58,8 @@
#include <openssl/asn1t.h>
ASN1_SEQUENCE(ECDSA_SIG) = {
- ASN1_SIMPLE(ECDSA_SIG, r, CBIGNUM),
- ASN1_SIMPLE(ECDSA_SIG, s, CBIGNUM)
+ ASN1_SIMPLE(ECDSA_SIG, r, CBIGNUM),
+ ASN1_SIMPLE(ECDSA_SIG, s, CBIGNUM)
} ASN1_SEQUENCE_END(ECDSA_SIG)
DECLARE_ASN1_FUNCTIONS_const(ECDSA_SIG)
diff --git a/crypto/ecdsa/ecs_err.c b/crypto/ecdsa/ecs_err.c
index 81542e6d1539..6fc64a0077ac 100644
--- a/crypto/ecdsa/ecs_err.c
+++ b/crypto/ecdsa/ecs_err.c
@@ -7,7 +7,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -53,7 +53,8 @@
*
*/
-/* NOTE: this file was auto generated by the mkerr.pl script: any changes
+/*
+ * NOTE: this file was auto generated by the mkerr.pl script: any changes
* made to it will be overwritten when the script next updates this file,
* only reason strings will be preserved.
*/
@@ -65,42 +66,41 @@
/* BEGIN ERROR CODES */
#ifndef OPENSSL_NO_ERR
-#define ERR_FUNC(func) ERR_PACK(ERR_LIB_ECDSA,func,0)
-#define ERR_REASON(reason) ERR_PACK(ERR_LIB_ECDSA,0,reason)
+# define ERR_FUNC(func) ERR_PACK(ERR_LIB_ECDSA,func,0)
+# define ERR_REASON(reason) ERR_PACK(ERR_LIB_ECDSA,0,reason)
-static ERR_STRING_DATA ECDSA_str_functs[]=
- {
-{ERR_FUNC(ECDSA_F_ECDSA_CHECK), "ECDSA_CHECK"},
-{ERR_FUNC(ECDSA_F_ECDSA_DATA_NEW_METHOD), "ECDSA_DATA_NEW_METHOD"},
-{ERR_FUNC(ECDSA_F_ECDSA_DO_SIGN), "ECDSA_do_sign"},
-{ERR_FUNC(ECDSA_F_ECDSA_DO_VERIFY), "ECDSA_do_verify"},
-{ERR_FUNC(ECDSA_F_ECDSA_SIGN_SETUP), "ECDSA_sign_setup"},
-{0,NULL}
- };
+static ERR_STRING_DATA ECDSA_str_functs[] = {
+ {ERR_FUNC(ECDSA_F_ECDSA_CHECK), "ECDSA_CHECK"},
+ {ERR_FUNC(ECDSA_F_ECDSA_DATA_NEW_METHOD), "ECDSA_DATA_NEW_METHOD"},
+ {ERR_FUNC(ECDSA_F_ECDSA_DO_SIGN), "ECDSA_do_sign"},
+ {ERR_FUNC(ECDSA_F_ECDSA_DO_VERIFY), "ECDSA_do_verify"},
+ {ERR_FUNC(ECDSA_F_ECDSA_SIGN_SETUP), "ECDSA_sign_setup"},
+ {0, NULL}
+};
-static ERR_STRING_DATA ECDSA_str_reasons[]=
- {
-{ERR_REASON(ECDSA_R_BAD_SIGNATURE) ,"bad signature"},
-{ERR_REASON(ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE),"data too large for key size"},
-{ERR_REASON(ECDSA_R_ERR_EC_LIB) ,"err ec lib"},
-{ERR_REASON(ECDSA_R_MISSING_PARAMETERS) ,"missing parameters"},
-{ERR_REASON(ECDSA_R_NEED_NEW_SETUP_VALUES),"need new setup values"},
-{ERR_REASON(ECDSA_R_NON_FIPS_METHOD) ,"non fips method"},
-{ERR_REASON(ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED),"random number generation failed"},
-{ERR_REASON(ECDSA_R_SIGNATURE_MALLOC_FAILED),"signature malloc failed"},
-{0,NULL}
- };
+static ERR_STRING_DATA ECDSA_str_reasons[] = {
+ {ERR_REASON(ECDSA_R_BAD_SIGNATURE), "bad signature"},
+ {ERR_REASON(ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE),
+ "data too large for key size"},
+ {ERR_REASON(ECDSA_R_ERR_EC_LIB), "err ec lib"},
+ {ERR_REASON(ECDSA_R_MISSING_PARAMETERS), "missing parameters"},
+ {ERR_REASON(ECDSA_R_NEED_NEW_SETUP_VALUES), "need new setup values"},
+ {ERR_REASON(ECDSA_R_NON_FIPS_METHOD), "non fips method"},
+ {ERR_REASON(ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED),
+ "random number generation failed"},
+ {ERR_REASON(ECDSA_R_SIGNATURE_MALLOC_FAILED), "signature malloc failed"},
+ {0, NULL}
+};
#endif
void ERR_load_ECDSA_strings(void)
- {
+{
#ifndef OPENSSL_NO_ERR
- if (ERR_func_error_string(ECDSA_str_functs[0].error) == NULL)
- {
- ERR_load_strings(0,ECDSA_str_functs);
- ERR_load_strings(0,ECDSA_str_reasons);
- }
+ if (ERR_func_error_string(ECDSA_str_functs[0].error) == NULL) {
+ ERR_load_strings(0, ECDSA_str_functs);
+ ERR_load_strings(0, ECDSA_str_reasons);
+ }
#endif
- }
+}
diff --git a/crypto/ecdsa/ecs_lib.c b/crypto/ecdsa/ecs_lib.c
index 814a6bf40465..0f2d3432f666 100644
--- a/crypto/ecdsa/ecs_lib.c
+++ b/crypto/ecdsa/ecs_lib.c
@@ -7,7 +7,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -56,230 +56,222 @@
#include <string.h>
#include "ecs_locl.h"
#ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
+# include <openssl/engine.h>
#endif
#include <openssl/err.h>
#include <openssl/bn.h>
#ifdef OPENSSL_FIPS
-#include <openssl/fips.h>
+# include <openssl/fips.h>
#endif
-const char ECDSA_version[]="ECDSA" OPENSSL_VERSION_PTEXT;
+const char ECDSA_version[] = "ECDSA" OPENSSL_VERSION_PTEXT;
static const ECDSA_METHOD *default_ECDSA_method = NULL;
static void *ecdsa_data_new(void);
static void *ecdsa_data_dup(void *);
-static void ecdsa_data_free(void *);
+static void ecdsa_data_free(void *);
void ECDSA_set_default_method(const ECDSA_METHOD *meth)
{
- default_ECDSA_method = meth;
+ default_ECDSA_method = meth;
}
const ECDSA_METHOD *ECDSA_get_default_method(void)
{
- if(!default_ECDSA_method)
- {
+ if (!default_ECDSA_method) {
#ifdef OPENSSL_FIPS
- if (FIPS_mode())
- return FIPS_ecdsa_openssl();
- else
- return ECDSA_OpenSSL();
+ if (FIPS_mode())
+ return FIPS_ecdsa_openssl();
+ else
+ return ECDSA_OpenSSL();
#else
- default_ECDSA_method = ECDSA_OpenSSL();
+ default_ECDSA_method = ECDSA_OpenSSL();
#endif
- }
- return default_ECDSA_method;
+ }
+ return default_ECDSA_method;
}
int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth)
{
- ECDSA_DATA *ecdsa;
+ ECDSA_DATA *ecdsa;
- ecdsa = ecdsa_check(eckey);
+ ecdsa = ecdsa_check(eckey);
- if (ecdsa == NULL)
- return 0;
+ if (ecdsa == NULL)
+ return 0;
#ifndef OPENSSL_NO_ENGINE
- if (ecdsa->engine)
- {
- ENGINE_finish(ecdsa->engine);
- ecdsa->engine = NULL;
- }
+ if (ecdsa->engine) {
+ ENGINE_finish(ecdsa->engine);
+ ecdsa->engine = NULL;
+ }
#endif
- ecdsa->meth = meth;
+ ecdsa->meth = meth;
- return 1;
+ return 1;
}
static ECDSA_DATA *ECDSA_DATA_new_method(ENGINE *engine)
{
- ECDSA_DATA *ret;
+ ECDSA_DATA *ret;
- ret=(ECDSA_DATA *)OPENSSL_malloc(sizeof(ECDSA_DATA));
- if (ret == NULL)
- {
- ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
+ ret = (ECDSA_DATA *)OPENSSL_malloc(sizeof(ECDSA_DATA));
+ if (ret == NULL) {
+ ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_MALLOC_FAILURE);
+ return (NULL);
+ }
- ret->init = NULL;
+ ret->init = NULL;
- ret->meth = ECDSA_get_default_method();
- ret->engine = engine;
+ ret->meth = ECDSA_get_default_method();
+ ret->engine = engine;
#ifndef OPENSSL_NO_ENGINE
- if (!ret->engine)
- ret->engine = ENGINE_get_default_ECDSA();
- if (ret->engine)
- {
- ret->meth = ENGINE_get_ECDSA(ret->engine);
- if (!ret->meth)
- {
- ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_ENGINE_LIB);
- ENGINE_finish(ret->engine);
- OPENSSL_free(ret);
- return NULL;
- }
- }
+ if (!ret->engine)
+ ret->engine = ENGINE_get_default_ECDSA();
+ if (ret->engine) {
+ ret->meth = ENGINE_get_ECDSA(ret->engine);
+ if (!ret->meth) {
+ ECDSAerr(ECDSA_F_ECDSA_DATA_NEW_METHOD, ERR_R_ENGINE_LIB);
+ ENGINE_finish(ret->engine);
+ OPENSSL_free(ret);
+ return NULL;
+ }
+ }
#endif
- ret->flags = ret->meth->flags;
- CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
+ ret->flags = ret->meth->flags;
+ CRYPTO_new_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
#if 0
- if ((ret->meth->init != NULL) && !ret->meth->init(ret))
- {
- CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
- OPENSSL_free(ret);
- ret=NULL;
- }
-#endif
- return(ret);
+ if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, ret, &ret->ex_data);
+ OPENSSL_free(ret);
+ ret = NULL;
+ }
+#endif
+ return (ret);
}
static void *ecdsa_data_new(void)
{
- return (void *)ECDSA_DATA_new_method(NULL);
+ return (void *)ECDSA_DATA_new_method(NULL);
}
static void *ecdsa_data_dup(void *data)
{
- ECDSA_DATA *r = (ECDSA_DATA *)data;
+ ECDSA_DATA *r = (ECDSA_DATA *)data;
- /* XXX: dummy operation */
- if (r == NULL)
- return NULL;
+ /* XXX: dummy operation */
+ if (r == NULL)
+ return NULL;
- return ecdsa_data_new();
+ return ecdsa_data_new();
}
static void ecdsa_data_free(void *data)
{
- ECDSA_DATA *r = (ECDSA_DATA *)data;
+ ECDSA_DATA *r = (ECDSA_DATA *)data;
#ifndef OPENSSL_NO_ENGINE
- if (r->engine)
- ENGINE_finish(r->engine);
+ if (r->engine)
+ ENGINE_finish(r->engine);
#endif
- CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, r, &r->ex_data);
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_ECDSA, r, &r->ex_data);
- OPENSSL_cleanse((void *)r, sizeof(ECDSA_DATA));
+ OPENSSL_cleanse((void *)r, sizeof(ECDSA_DATA));
- OPENSSL_free(r);
+ OPENSSL_free(r);
}
ECDSA_DATA *ecdsa_check(EC_KEY *key)
{
- ECDSA_DATA *ecdsa_data;
-
- void *data = EC_KEY_get_key_method_data(key, ecdsa_data_dup,
- ecdsa_data_free, ecdsa_data_free);
- if (data == NULL)
- {
- ecdsa_data = (ECDSA_DATA *)ecdsa_data_new();
- if (ecdsa_data == NULL)
- return NULL;
- data = EC_KEY_insert_key_method_data(key, (void *)ecdsa_data,
- ecdsa_data_dup, ecdsa_data_free, ecdsa_data_free);
- if (data != NULL)
- {
- /* Another thread raced us to install the key_method
- * data and won. */
- ecdsa_data_free(ecdsa_data);
- ecdsa_data = (ECDSA_DATA *)data;
- }
- }
- else
- ecdsa_data = (ECDSA_DATA *)data;
+ ECDSA_DATA *ecdsa_data;
+
+ void *data = EC_KEY_get_key_method_data(key, ecdsa_data_dup,
+ ecdsa_data_free, ecdsa_data_free);
+ if (data == NULL) {
+ ecdsa_data = (ECDSA_DATA *)ecdsa_data_new();
+ if (ecdsa_data == NULL)
+ return NULL;
+ data = EC_KEY_insert_key_method_data(key, (void *)ecdsa_data,
+ ecdsa_data_dup, ecdsa_data_free,
+ ecdsa_data_free);
+ if (data != NULL) {
+ /*
+ * Another thread raced us to install the key_method data and
+ * won.
+ */
+ ecdsa_data_free(ecdsa_data);
+ ecdsa_data = (ECDSA_DATA *)data;
+ }
+ } else
+ ecdsa_data = (ECDSA_DATA *)data;
#ifdef OPENSSL_FIPS
- if (FIPS_mode() && !(ecdsa_data->flags & ECDSA_FLAG_FIPS_METHOD)
- && !(EC_KEY_get_flags(key) & EC_FLAG_NON_FIPS_ALLOW))
- {
- ECDSAerr(ECDSA_F_ECDSA_CHECK, ECDSA_R_NON_FIPS_METHOD);
- return NULL;
- }
+ if (FIPS_mode() && !(ecdsa_data->flags & ECDSA_FLAG_FIPS_METHOD)
+ && !(EC_KEY_get_flags(key) & EC_FLAG_NON_FIPS_ALLOW)) {
+ ECDSAerr(ECDSA_F_ECDSA_CHECK, ECDSA_R_NON_FIPS_METHOD);
+ return NULL;
+ }
#endif
- return ecdsa_data;
+ return ecdsa_data;
}
int ECDSA_size(const EC_KEY *r)
{
- int ret,i;
- ASN1_INTEGER bs;
- BIGNUM *order=NULL;
- unsigned char buf[4];
- const EC_GROUP *group;
-
- if (r == NULL)
- return 0;
- group = EC_KEY_get0_group(r);
- if (group == NULL)
- return 0;
-
- if ((order = BN_new()) == NULL) return 0;
- if (!EC_GROUP_get_order(group,order,NULL))
- {
- BN_clear_free(order);
- return 0;
- }
- i=BN_num_bits(order);
- bs.length=(i+7)/8;
- bs.data=buf;
- bs.type=V_ASN1_INTEGER;
- /* If the top bit is set the asn1 encoding is 1 larger. */
- buf[0]=0xff;
-
- i=i2d_ASN1_INTEGER(&bs,NULL);
- i+=i; /* r and s */
- ret=ASN1_object_size(1,i,V_ASN1_SEQUENCE);
- BN_clear_free(order);
- return(ret);
+ int ret, i;
+ ASN1_INTEGER bs;
+ BIGNUM *order = NULL;
+ unsigned char buf[4];
+ const EC_GROUP *group;
+
+ if (r == NULL)
+ return 0;
+ group = EC_KEY_get0_group(r);
+ if (group == NULL)
+ return 0;
+
+ if ((order = BN_new()) == NULL)
+ return 0;
+ if (!EC_GROUP_get_order(group, order, NULL)) {
+ BN_clear_free(order);
+ return 0;
+ }
+ i = BN_num_bits(order);
+ bs.length = (i + 7) / 8;
+ bs.data = buf;
+ bs.type = V_ASN1_INTEGER;
+ /* If the top bit is set the asn1 encoding is 1 larger. */
+ buf[0] = 0xff;
+
+ i = i2d_ASN1_INTEGER(&bs, NULL);
+ i += i; /* r and s */
+ ret = ASN1_object_size(1, i, V_ASN1_SEQUENCE);
+ BN_clear_free(order);
+ return (ret);
}
-
int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
- CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
+ CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
{
- return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ECDSA, argl, argp,
- new_func, dup_func, free_func);
+ return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_ECDSA, argl, argp,
+ new_func, dup_func, free_func);
}
int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg)
{
- ECDSA_DATA *ecdsa;
- ecdsa = ecdsa_check(d);
- if (ecdsa == NULL)
- return 0;
- return(CRYPTO_set_ex_data(&ecdsa->ex_data,idx,arg));
+ ECDSA_DATA *ecdsa;
+ ecdsa = ecdsa_check(d);
+ if (ecdsa == NULL)
+ return 0;
+ return (CRYPTO_set_ex_data(&ecdsa->ex_data, idx, arg));
}
void *ECDSA_get_ex_data(EC_KEY *d, int idx)
{
- ECDSA_DATA *ecdsa;
- ecdsa = ecdsa_check(d);
- if (ecdsa == NULL)
- return NULL;
- return(CRYPTO_get_ex_data(&ecdsa->ex_data,idx));
+ ECDSA_DATA *ecdsa;
+ ecdsa = ecdsa_check(d);
+ if (ecdsa == NULL)
+ return NULL;
+ return (CRYPTO_get_ex_data(&ecdsa->ex_data, idx));
}
diff --git a/crypto/ecdsa/ecs_locl.h b/crypto/ecdsa/ecs_locl.h
index cb3be13cfc30..76b2caf1f4a9 100644
--- a/crypto/ecdsa/ecs_locl.h
+++ b/crypto/ecdsa/ecs_locl.h
@@ -10,7 +10,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -57,47 +57,48 @@
*/
#ifndef HEADER_ECS_LOCL_H
-#define HEADER_ECS_LOCL_H
+# define HEADER_ECS_LOCL_H
-#include <openssl/ecdsa.h>
+# include <openssl/ecdsa.h>
#ifdef __cplusplus
extern "C" {
#endif
-struct ecdsa_method
- {
- const char *name;
- ECDSA_SIG *(*ecdsa_do_sign)(const unsigned char *dgst, int dgst_len,
- const BIGNUM *inv, const BIGNUM *rp, EC_KEY *eckey);
- int (*ecdsa_sign_setup)(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
- BIGNUM **r);
- int (*ecdsa_do_verify)(const unsigned char *dgst, int dgst_len,
- const ECDSA_SIG *sig, EC_KEY *eckey);
-#if 0
- int (*init)(EC_KEY *eckey);
- int (*finish)(EC_KEY *eckey);
-#endif
- int flags;
- char *app_data;
- };
+struct ecdsa_method {
+ const char *name;
+ ECDSA_SIG *(*ecdsa_do_sign) (const unsigned char *dgst, int dgst_len,
+ const BIGNUM *inv, const BIGNUM *rp,
+ EC_KEY *eckey);
+ int (*ecdsa_sign_setup) (EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
+ BIGNUM **r);
+ int (*ecdsa_do_verify) (const unsigned char *dgst, int dgst_len,
+ const ECDSA_SIG *sig, EC_KEY *eckey);
+# if 0
+ int (*init) (EC_KEY *eckey);
+ int (*finish) (EC_KEY *eckey);
+# endif
+ int flags;
+ char *app_data;
+};
-/* If this flag is set the ECDSA method is FIPS compliant and can be used
- * in FIPS mode. This is set in the validated module method. If an
- * application sets this flag in its own methods it is its responsibility
- * to ensure the result is compliant.
+/*
+ * If this flag is set the ECDSA method is FIPS compliant and can be used in
+ * FIPS mode. This is set in the validated module method. If an application
+ * sets this flag in its own methods it is its responsibility to ensure the
+ * result is compliant.
*/
-#define ECDSA_FLAG_FIPS_METHOD 0x1
+# define ECDSA_FLAG_FIPS_METHOD 0x1
typedef struct ecdsa_data_st {
- /* EC_KEY_METH_DATA part */
- int (*init)(EC_KEY *);
- /* method (ECDSA) specific part */
- ENGINE *engine;
- int flags;
- const ECDSA_METHOD *meth;
- CRYPTO_EX_DATA ex_data;
+ /* EC_KEY_METH_DATA part */
+ int (*init) (EC_KEY *);
+ /* method (ECDSA) specific part */
+ ENGINE *engine;
+ int flags;
+ const ECDSA_METHOD *meth;
+ CRYPTO_EX_DATA ex_data;
} ECDSA_DATA;
/** ecdsa_check
@@ -112,4 +113,4 @@ ECDSA_DATA *ecdsa_check(EC_KEY *eckey);
}
#endif
-#endif /* HEADER_ECS_LOCL_H */
+#endif /* HEADER_ECS_LOCL_H */
diff --git a/crypto/ecdsa/ecs_ossl.c b/crypto/ecdsa/ecs_ossl.c
index 7725935610ed..4c5fa6b926e4 100644
--- a/crypto/ecdsa/ecs_ossl.c
+++ b/crypto/ecdsa/ecs_ossl.c
@@ -10,7 +10,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -61,423 +61,382 @@
#include <openssl/obj_mac.h>
#include <openssl/bn.h>
-static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dlen,
- const BIGNUM *, const BIGNUM *, EC_KEY *eckey);
-static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
- BIGNUM **rp);
-static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len,
- const ECDSA_SIG *sig, EC_KEY *eckey);
+static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dlen,
+ const BIGNUM *, const BIGNUM *,
+ EC_KEY *eckey);
+static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
+ BIGNUM **rp);
+static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len,
+ const ECDSA_SIG *sig, EC_KEY *eckey);
static ECDSA_METHOD openssl_ecdsa_meth = {
- "OpenSSL ECDSA method",
- ecdsa_do_sign,
- ecdsa_sign_setup,
- ecdsa_do_verify,
+ "OpenSSL ECDSA method",
+ ecdsa_do_sign,
+ ecdsa_sign_setup,
+ ecdsa_do_verify,
#if 0
- NULL, /* init */
- NULL, /* finish */
+ NULL, /* init */
+ NULL, /* finish */
#endif
- 0, /* flags */
- NULL /* app_data */
+ 0, /* flags */
+ NULL /* app_data */
};
const ECDSA_METHOD *ECDSA_OpenSSL(void)
{
- return &openssl_ecdsa_meth;
+ return &openssl_ecdsa_meth;
}
static int ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
- BIGNUM **rp)
+ BIGNUM **rp)
{
- BN_CTX *ctx = NULL;
- BIGNUM *k = NULL, *r = NULL, *order = NULL, *X = NULL;
- EC_POINT *tmp_point=NULL;
- const EC_GROUP *group;
- int ret = 0;
+ BN_CTX *ctx = NULL;
+ BIGNUM *k = NULL, *r = NULL, *order = NULL, *X = NULL;
+ EC_POINT *tmp_point = NULL;
+ const EC_GROUP *group;
+ int ret = 0;
+
+ if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL) {
+ ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_PASSED_NULL_PARAMETER);
+ return 0;
+ }
- if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL)
- {
- ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
+ if (ctx_in == NULL) {
+ if ((ctx = BN_CTX_new()) == NULL) {
+ ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ } else
+ ctx = ctx_in;
- if (ctx_in == NULL)
- {
- if ((ctx = BN_CTX_new()) == NULL)
- {
- ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_MALLOC_FAILURE);
- return 0;
- }
- }
- else
- ctx = ctx_in;
+ k = BN_new(); /* this value is later returned in *kinvp */
+ r = BN_new(); /* this value is later returned in *rp */
+ order = BN_new();
+ X = BN_new();
+ if (!k || !r || !order || !X) {
+ ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if ((tmp_point = EC_POINT_new(group)) == NULL) {
+ ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
+ goto err;
+ }
+ if (!EC_GROUP_get_order(group, order, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
+ goto err;
+ }
- k = BN_new(); /* this value is later returned in *kinvp */
- r = BN_new(); /* this value is later returned in *rp */
- order = BN_new();
- X = BN_new();
- if (!k || !r || !order || !X)
- {
- ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if ((tmp_point = EC_POINT_new(group)) == NULL)
- {
- ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
- goto err;
- }
- if (!EC_GROUP_get_order(group, order, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
- goto err;
- }
-
- do
- {
- /* get random k */
- do
- if (!BN_rand_range(k, order))
- {
- ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,
- ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED);
- goto err;
- }
- while (BN_is_zero(k));
+ do {
+ /* get random k */
+ do
+ if (!BN_rand_range(k, order)) {
+ ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,
+ ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED);
+ goto err;
+ }
+ while (BN_is_zero(k)) ;
- /* We do not want timing information to leak the length of k,
- * so we compute G*k using an equivalent scalar of fixed
- * bit-length. */
+ /*
+ * We do not want timing information to leak the length of k, so we
+ * compute G*k using an equivalent scalar of fixed bit-length.
+ */
- if (!BN_add(k, k, order)) goto err;
- if (BN_num_bits(k) <= BN_num_bits(order))
- if (!BN_add(k, k, order)) goto err;
+ if (!BN_add(k, k, order))
+ goto err;
+ if (BN_num_bits(k) <= BN_num_bits(order))
+ if (!BN_add(k, k, order))
+ goto err;
- /* compute r the x-coordinate of generator * k */
- if (!EC_POINT_mul(group, tmp_point, k, NULL, NULL, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
- goto err;
- }
- if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field)
- {
- if (!EC_POINT_get_affine_coordinates_GFp(group,
- tmp_point, X, NULL, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_EC_LIB);
- goto err;
- }
- }
+ /* compute r the x-coordinate of generator * k */
+ if (!EC_POINT_mul(group, tmp_point, k, NULL, NULL, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
+ goto err;
+ }
+ if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==
+ NID_X9_62_prime_field) {
+ if (!EC_POINT_get_affine_coordinates_GFp
+ (group, tmp_point, X, NULL, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
+ goto err;
+ }
+ }
#ifndef OPENSSL_NO_EC2M
- else /* NID_X9_62_characteristic_two_field */
- {
- if (!EC_POINT_get_affine_coordinates_GF2m(group,
- tmp_point, X, NULL, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP,ERR_R_EC_LIB);
- goto err;
- }
- }
+ else { /* NID_X9_62_characteristic_two_field */
+
+ if (!EC_POINT_get_affine_coordinates_GF2m(group,
+ tmp_point, X, NULL,
+ ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_EC_LIB);
+ goto err;
+ }
+ }
#endif
- if (!BN_nnmod(r, X, order, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);
- goto err;
- }
- }
- while (BN_is_zero(r));
+ if (!BN_nnmod(r, X, order, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);
+ goto err;
+ }
+ }
+ while (BN_is_zero(r));
- /* compute the inverse of k */
- if (!BN_mod_inverse(k, k, order, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);
- goto err;
- }
- /* clear old values if necessary */
- if (*rp != NULL)
- BN_clear_free(*rp);
- if (*kinvp != NULL)
- BN_clear_free(*kinvp);
- /* save the pre-computed values */
- *rp = r;
- *kinvp = k;
- ret = 1;
-err:
- if (!ret)
- {
- if (k != NULL) BN_clear_free(k);
- if (r != NULL) BN_clear_free(r);
- }
- if (ctx_in == NULL)
- BN_CTX_free(ctx);
- if (order != NULL)
- BN_free(order);
- if (tmp_point != NULL)
- EC_POINT_free(tmp_point);
- if (X)
- BN_clear_free(X);
- return(ret);
+ /* compute the inverse of k */
+ if (!BN_mod_inverse(k, k, order, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP, ERR_R_BN_LIB);
+ goto err;
+ }
+ /* clear old values if necessary */
+ if (*rp != NULL)
+ BN_clear_free(*rp);
+ if (*kinvp != NULL)
+ BN_clear_free(*kinvp);
+ /* save the pre-computed values */
+ *rp = r;
+ *kinvp = k;
+ ret = 1;
+ err:
+ if (!ret) {
+ if (k != NULL)
+ BN_clear_free(k);
+ if (r != NULL)
+ BN_clear_free(r);
+ }
+ if (ctx_in == NULL)
+ BN_CTX_free(ctx);
+ if (order != NULL)
+ BN_free(order);
+ if (tmp_point != NULL)
+ EC_POINT_free(tmp_point);
+ if (X)
+ BN_clear_free(X);
+ return (ret);
}
-
-static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dgst_len,
- const BIGNUM *in_kinv, const BIGNUM *in_r, EC_KEY *eckey)
+static ECDSA_SIG *ecdsa_do_sign(const unsigned char *dgst, int dgst_len,
+ const BIGNUM *in_kinv, const BIGNUM *in_r,
+ EC_KEY *eckey)
{
- int ok = 0, i;
- BIGNUM *kinv=NULL, *s, *m=NULL,*tmp=NULL,*order=NULL;
- const BIGNUM *ckinv;
- BN_CTX *ctx = NULL;
- const EC_GROUP *group;
- ECDSA_SIG *ret;
- ECDSA_DATA *ecdsa;
- const BIGNUM *priv_key;
+ int ok = 0, i;
+ BIGNUM *kinv = NULL, *s, *m = NULL, *tmp = NULL, *order = NULL;
+ const BIGNUM *ckinv;
+ BN_CTX *ctx = NULL;
+ const EC_GROUP *group;
+ ECDSA_SIG *ret;
+ ECDSA_DATA *ecdsa;
+ const BIGNUM *priv_key;
- ecdsa = ecdsa_check(eckey);
- group = EC_KEY_get0_group(eckey);
- priv_key = EC_KEY_get0_private_key(eckey);
-
- if (group == NULL || priv_key == NULL || ecdsa == NULL)
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_PASSED_NULL_PARAMETER);
- return NULL;
- }
+ ecdsa = ecdsa_check(eckey);
+ group = EC_KEY_get0_group(eckey);
+ priv_key = EC_KEY_get0_private_key(eckey);
- ret = ECDSA_SIG_new();
- if (!ret)
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- s = ret->s;
+ if (group == NULL || priv_key == NULL || ecdsa == NULL) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_PASSED_NULL_PARAMETER);
+ return NULL;
+ }
- if ((ctx = BN_CTX_new()) == NULL || (order = BN_new()) == NULL ||
- (tmp = BN_new()) == NULL || (m = BN_new()) == NULL)
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
- goto err;
- }
+ ret = ECDSA_SIG_new();
+ if (!ret) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ s = ret->s;
- if (!EC_GROUP_get_order(group, order, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_EC_LIB);
- goto err;
- }
- i = BN_num_bits(order);
- /* Need to truncate digest if it is too long: first truncate whole
- * bytes.
- */
- if (8 * dgst_len > i)
- dgst_len = (i + 7)/8;
- if (!BN_bin2bn(dgst, dgst_len, m))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
- goto err;
- }
- /* If still too long truncate remaining bits with a shift */
- if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7)))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
- goto err;
- }
- do
- {
- if (in_kinv == NULL || in_r == NULL)
- {
- if (!ECDSA_sign_setup(eckey, ctx, &kinv, &ret->r))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_SIGN,ERR_R_ECDSA_LIB);
- goto err;
- }
- ckinv = kinv;
- }
- else
- {
- ckinv = in_kinv;
- if (BN_copy(ret->r, in_r) == NULL)
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- }
+ if ((ctx = BN_CTX_new()) == NULL || (order = BN_new()) == NULL ||
+ (tmp = BN_new()) == NULL || (m = BN_new()) == NULL) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
- if (!BN_mod_mul(tmp, priv_key, ret->r, order, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
- goto err;
- }
- if (!BN_mod_add_quick(s, tmp, m, order))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
- goto err;
- }
- if (!BN_mod_mul(s, s, ckinv, order, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
- goto err;
- }
- if (BN_is_zero(s))
- {
- /* if kinv and r have been supplied by the caller
- * don't to generate new kinv and r values */
- if (in_kinv != NULL && in_r != NULL)
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ECDSA_R_NEED_NEW_SETUP_VALUES);
- goto err;
- }
- }
- else
- /* s != 0 => we have a valid signature */
- break;
- }
- while (1);
+ if (!EC_GROUP_get_order(group, order, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_EC_LIB);
+ goto err;
+ }
+ i = BN_num_bits(order);
+ /*
+ * Need to truncate digest if it is too long: first truncate whole bytes.
+ */
+ if (8 * dgst_len > i)
+ dgst_len = (i + 7) / 8;
+ if (!BN_bin2bn(dgst, dgst_len, m)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
+ goto err;
+ }
+ /* If still too long truncate remaining bits with a shift */
+ if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7))) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
+ goto err;
+ }
+ do {
+ if (in_kinv == NULL || in_r == NULL) {
+ if (!ECDSA_sign_setup(eckey, ctx, &kinv, &ret->r)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_ECDSA_LIB);
+ goto err;
+ }
+ ckinv = kinv;
+ } else {
+ ckinv = in_kinv;
+ if (BN_copy(ret->r, in_r) == NULL) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ }
- ok = 1;
-err:
- if (!ok)
- {
- ECDSA_SIG_free(ret);
- ret = NULL;
- }
- if (ctx)
- BN_CTX_free(ctx);
- if (m)
- BN_clear_free(m);
- if (tmp)
- BN_clear_free(tmp);
- if (order)
- BN_free(order);
- if (kinv)
- BN_clear_free(kinv);
- return ret;
+ if (!BN_mod_mul(tmp, priv_key, ret->r, order, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
+ goto err;
+ }
+ if (!BN_mod_add_quick(s, tmp, m, order)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
+ goto err;
+ }
+ if (!BN_mod_mul(s, s, ckinv, order, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_SIGN, ERR_R_BN_LIB);
+ goto err;
+ }
+ if (BN_is_zero(s)) {
+ /*
+ * if kinv and r have been supplied by the caller don't to
+ * generate new kinv and r values
+ */
+ if (in_kinv != NULL && in_r != NULL) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_SIGN,
+ ECDSA_R_NEED_NEW_SETUP_VALUES);
+ goto err;
+ }
+ } else
+ /* s != 0 => we have a valid signature */
+ break;
+ }
+ while (1);
+
+ ok = 1;
+ err:
+ if (!ok) {
+ ECDSA_SIG_free(ret);
+ ret = NULL;
+ }
+ if (ctx)
+ BN_CTX_free(ctx);
+ if (m)
+ BN_clear_free(m);
+ if (tmp)
+ BN_clear_free(tmp);
+ if (order)
+ BN_free(order);
+ if (kinv)
+ BN_clear_free(kinv);
+ return ret;
}
static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len,
- const ECDSA_SIG *sig, EC_KEY *eckey)
+ const ECDSA_SIG *sig, EC_KEY *eckey)
{
- int ret = -1, i;
- BN_CTX *ctx;
- BIGNUM *order, *u1, *u2, *m, *X;
- EC_POINT *point = NULL;
- const EC_GROUP *group;
- const EC_POINT *pub_key;
+ int ret = -1, i;
+ BN_CTX *ctx;
+ BIGNUM *order, *u1, *u2, *m, *X;
+ EC_POINT *point = NULL;
+ const EC_GROUP *group;
+ const EC_POINT *pub_key;
+
+ /* check input values */
+ if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL ||
+ (pub_key = EC_KEY_get0_public_key(eckey)) == NULL || sig == NULL) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_MISSING_PARAMETERS);
+ return -1;
+ }
- /* check input values */
- if (eckey == NULL || (group = EC_KEY_get0_group(eckey)) == NULL ||
- (pub_key = EC_KEY_get0_public_key(eckey)) == NULL || sig == NULL)
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_MISSING_PARAMETERS);
- return -1;
- }
+ ctx = BN_CTX_new();
+ if (!ctx) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
+ return -1;
+ }
+ BN_CTX_start(ctx);
+ order = BN_CTX_get(ctx);
+ u1 = BN_CTX_get(ctx);
+ u2 = BN_CTX_get(ctx);
+ m = BN_CTX_get(ctx);
+ X = BN_CTX_get(ctx);
+ if (!X) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+ goto err;
+ }
- ctx = BN_CTX_new();
- if (!ctx)
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
- return -1;
- }
- BN_CTX_start(ctx);
- order = BN_CTX_get(ctx);
- u1 = BN_CTX_get(ctx);
- u2 = BN_CTX_get(ctx);
- m = BN_CTX_get(ctx);
- X = BN_CTX_get(ctx);
- if (!X)
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
- goto err;
- }
-
- if (!EC_GROUP_get_order(group, order, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
- goto err;
- }
+ if (!EC_GROUP_get_order(group, order, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
+ goto err;
+ }
- if (BN_is_zero(sig->r) || BN_is_negative(sig->r) ||
- BN_ucmp(sig->r, order) >= 0 || BN_is_zero(sig->s) ||
- BN_is_negative(sig->s) || BN_ucmp(sig->s, order) >= 0)
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_BAD_SIGNATURE);
- ret = 0; /* signature is invalid */
- goto err;
- }
- /* calculate tmp1 = inv(S) mod order */
- if (!BN_mod_inverse(u2, sig->s, order, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
- goto err;
- }
- /* digest -> m */
- i = BN_num_bits(order);
- /* Need to truncate digest if it is too long: first truncate whole
- * bytes.
- */
- if (8 * dgst_len > i)
- dgst_len = (i + 7)/8;
- if (!BN_bin2bn(dgst, dgst_len, m))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
- goto err;
- }
- /* If still too long truncate remaining bits with a shift */
- if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7)))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
- goto err;
- }
- /* u1 = m * tmp mod order */
- if (!BN_mod_mul(u1, m, u2, order, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
- goto err;
- }
- /* u2 = r * w mod q */
- if (!BN_mod_mul(u2, sig->r, u2, order, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
- goto err;
- }
+ if (BN_is_zero(sig->r) || BN_is_negative(sig->r) ||
+ BN_ucmp(sig->r, order) >= 0 || BN_is_zero(sig->s) ||
+ BN_is_negative(sig->s) || BN_ucmp(sig->s, order) >= 0) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_BAD_SIGNATURE);
+ ret = 0; /* signature is invalid */
+ goto err;
+ }
+ /* calculate tmp1 = inv(S) mod order */
+ if (!BN_mod_inverse(u2, sig->s, order, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+ goto err;
+ }
+ /* digest -> m */
+ i = BN_num_bits(order);
+ /*
+ * Need to truncate digest if it is too long: first truncate whole bytes.
+ */
+ if (8 * dgst_len > i)
+ dgst_len = (i + 7) / 8;
+ if (!BN_bin2bn(dgst, dgst_len, m)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+ goto err;
+ }
+ /* If still too long truncate remaining bits with a shift */
+ if ((8 * dgst_len > i) && !BN_rshift(m, m, 8 - (i & 0x7))) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+ goto err;
+ }
+ /* u1 = m * tmp mod order */
+ if (!BN_mod_mul(u1, m, u2, order, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+ goto err;
+ }
+ /* u2 = r * w mod q */
+ if (!BN_mod_mul(u2, sig->r, u2, order, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+ goto err;
+ }
- if ((point = EC_POINT_new(group)) == NULL)
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (!EC_POINT_mul(group, point, u1, pub_key, u2, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
- goto err;
- }
- if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field)
- {
- if (!EC_POINT_get_affine_coordinates_GFp(group,
- point, X, NULL, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
- goto err;
- }
- }
+ if ((point = EC_POINT_new(group)) == NULL) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (!EC_POINT_mul(group, point, u1, pub_key, u2, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
+ goto err;
+ }
+ if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==
+ NID_X9_62_prime_field) {
+ if (!EC_POINT_get_affine_coordinates_GFp(group, point, X, NULL, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
+ goto err;
+ }
+ }
#ifndef OPENSSL_NO_EC2M
- else /* NID_X9_62_characteristic_two_field */
- {
- if (!EC_POINT_get_affine_coordinates_GF2m(group,
- point, X, NULL, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
- goto err;
- }
- }
-#endif
- if (!BN_nnmod(u1, X, order, ctx))
- {
- ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
- goto err;
- }
- /* if the signature is correct u1 is equal to sig->r */
- ret = (BN_ucmp(u1, sig->r) == 0);
-err:
- BN_CTX_end(ctx);
- BN_CTX_free(ctx);
- if (point)
- EC_POINT_free(point);
- return ret;
+ else { /* NID_X9_62_characteristic_two_field */
+
+ if (!EC_POINT_get_affine_coordinates_GF2m(group, point, X, NULL, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_EC_LIB);
+ goto err;
+ }
+ }
+#endif
+ if (!BN_nnmod(u1, X, order, ctx)) {
+ ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ERR_R_BN_LIB);
+ goto err;
+ }
+ /* if the signature is correct u1 is equal to sig->r */
+ ret = (BN_ucmp(u1, sig->r) == 0);
+ err:
+ BN_CTX_end(ctx);
+ BN_CTX_free(ctx);
+ if (point)
+ EC_POINT_free(point);
+ return ret;
}
diff --git a/crypto/ecdsa/ecs_sign.c b/crypto/ecdsa/ecs_sign.c
index 353d5af5146d..28652d455dd5 100644
--- a/crypto/ecdsa/ecs_sign.c
+++ b/crypto/ecdsa/ecs_sign.c
@@ -7,7 +7,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -55,52 +55,52 @@
#include "ecs_locl.h"
#ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
+# include <openssl/engine.h>
#endif
#include <openssl/rand.h>
ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
{
- return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
+ return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
}
ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen,
- const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey)
+ const BIGNUM *kinv, const BIGNUM *rp,
+ EC_KEY *eckey)
{
- ECDSA_DATA *ecdsa = ecdsa_check(eckey);
- if (ecdsa == NULL)
- return NULL;
- return ecdsa->meth->ecdsa_do_sign(dgst, dlen, kinv, rp, eckey);
+ ECDSA_DATA *ecdsa = ecdsa_check(eckey);
+ if (ecdsa == NULL)
+ return NULL;
+ return ecdsa->meth->ecdsa_do_sign(dgst, dlen, kinv, rp, eckey);
}
-int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
- *sig, unsigned int *siglen, EC_KEY *eckey)
+int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char
+ *sig, unsigned int *siglen, EC_KEY *eckey)
{
- return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
+ return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
}
-int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char
- *sig, unsigned int *siglen, const BIGNUM *kinv, const BIGNUM *r,
- EC_KEY *eckey)
+int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char
+ *sig, unsigned int *siglen, const BIGNUM *kinv,
+ const BIGNUM *r, EC_KEY *eckey)
{
- ECDSA_SIG *s;
- RAND_seed(dgst, dlen);
- s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey);
- if (s == NULL)
- {
- *siglen=0;
- return 0;
- }
- *siglen = i2d_ECDSA_SIG(s, &sig);
- ECDSA_SIG_free(s);
- return 1;
+ ECDSA_SIG *s;
+ RAND_seed(dgst, dlen);
+ s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey);
+ if (s == NULL) {
+ *siglen = 0;
+ return 0;
+ }
+ *siglen = i2d_ECDSA_SIG(s, &sig);
+ ECDSA_SIG_free(s);
+ return 1;
}
-int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
- BIGNUM **rp)
+int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp,
+ BIGNUM **rp)
{
- ECDSA_DATA *ecdsa = ecdsa_check(eckey);
- if (ecdsa == NULL)
- return 0;
- return ecdsa->meth->ecdsa_sign_setup(eckey, ctx_in, kinvp, rp);
+ ECDSA_DATA *ecdsa = ecdsa_check(eckey);
+ if (ecdsa == NULL)
+ return 0;
+ return ecdsa->meth->ecdsa_sign_setup(eckey, ctx_in, kinvp, rp);
}
diff --git a/crypto/ecdsa/ecs_vrf.c b/crypto/ecdsa/ecs_vrf.c
index 188b9d57b40c..e909aeb400a4 100644
--- a/crypto/ecdsa/ecs_vrf.c
+++ b/crypto/ecdsa/ecs_vrf.c
@@ -10,7 +10,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -59,51 +59,54 @@
#include "ecs_locl.h"
#include <string.h>
#ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
+# include <openssl/engine.h>
#endif
-/* returns
+/*-
+ * returns
* 1: correct signature
* 0: incorrect signature
* -1: error
*/
-int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
- const ECDSA_SIG *sig, EC_KEY *eckey)
- {
- ECDSA_DATA *ecdsa = ecdsa_check(eckey);
- if (ecdsa == NULL)
- return 0;
- return ecdsa->meth->ecdsa_do_verify(dgst, dgst_len, sig, eckey);
- }
+int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
+ const ECDSA_SIG *sig, EC_KEY *eckey)
+{
+ ECDSA_DATA *ecdsa = ecdsa_check(eckey);
+ if (ecdsa == NULL)
+ return 0;
+ return ecdsa->meth->ecdsa_do_verify(dgst, dgst_len, sig, eckey);
+}
-/* returns
+/*-
+ * returns
* 1: correct signature
* 0: incorrect signature
* -1: error
*/
int ECDSA_verify(int type, const unsigned char *dgst, int dgst_len,
- const unsigned char *sigbuf, int sig_len, EC_KEY *eckey)
- {
- ECDSA_SIG *s;
- const unsigned char *p = sigbuf;
- unsigned char *der = NULL;
- int derlen = -1;
- int ret=-1;
+ const unsigned char *sigbuf, int sig_len, EC_KEY *eckey)
+{
+ ECDSA_SIG *s;
+ const unsigned char *p = sigbuf;
+ unsigned char *der = NULL;
+ int derlen = -1;
+ int ret = -1;
- s = ECDSA_SIG_new();
- if (s == NULL) return(ret);
- if (d2i_ECDSA_SIG(&s, &p, sig_len) == NULL) goto err;
- /* Ensure signature uses DER and doesn't have trailing garbage */
- derlen = i2d_ECDSA_SIG(s, &der);
- if (derlen != sig_len || memcmp(sigbuf, der, derlen))
- goto err;
- ret=ECDSA_do_verify(dgst, dgst_len, s, eckey);
-err:
- if (derlen > 0)
- {
- OPENSSL_cleanse(der, derlen);
- OPENSSL_free(der);
- }
- ECDSA_SIG_free(s);
- return(ret);
- }
+ s = ECDSA_SIG_new();
+ if (s == NULL)
+ return (ret);
+ if (d2i_ECDSA_SIG(&s, &p, sig_len) == NULL)
+ goto err;
+ /* Ensure signature uses DER and doesn't have trailing garbage */
+ derlen = i2d_ECDSA_SIG(s, &der);
+ if (derlen != sig_len || memcmp(sigbuf, der, derlen))
+ goto err;
+ ret = ECDSA_do_verify(dgst, dgst_len, s, eckey);
+ err:
+ if (derlen > 0) {
+ OPENSSL_cleanse(der, derlen);
+ OPENSSL_free(der);
+ }
+ ECDSA_SIG_free(s);
+ return (ret);
+}