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-rw-r--r--crypto/ecdsa/ecs_lib.c278
1 files changed, 135 insertions, 143 deletions
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));
}