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-rw-r--r--crypto/dh/dh.h349
1 files changed, 178 insertions, 171 deletions
diff --git a/crypto/dh/dh.h b/crypto/dh/dh.h
index ea59e610ef05..4cbaa9784dba 100644
--- a/crypto/dh/dh.h
+++ b/crypto/dh/dh.h
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@@ -57,49 +57,54 @@
*/
#ifndef HEADER_DH_H
-#define HEADER_DH_H
-
-#include <openssl/e_os2.h>
-
-#ifdef OPENSSL_NO_DH
-#error DH is disabled.
-#endif
-
-#ifndef OPENSSL_NO_BIO
-#include <openssl/bio.h>
-#endif
-#include <openssl/ossl_typ.h>
-#ifndef OPENSSL_NO_DEPRECATED
-#include <openssl/bn.h>
-#endif
-
-#ifndef OPENSSL_DH_MAX_MODULUS_BITS
-# define OPENSSL_DH_MAX_MODULUS_BITS 10000
-#endif
+# define HEADER_DH_H
+
+# include <openssl/e_os2.h>
+
+# ifdef OPENSSL_NO_DH
+# error DH is disabled.
+# endif
+
+# ifndef OPENSSL_NO_BIO
+# include <openssl/bio.h>
+# endif
+# include <openssl/ossl_typ.h>
+# ifndef OPENSSL_NO_DEPRECATED
+# include <openssl/bn.h>
+# endif
+
+# ifndef OPENSSL_DH_MAX_MODULUS_BITS
+# define OPENSSL_DH_MAX_MODULUS_BITS 10000
+# endif
+
+# define DH_FLAG_CACHE_MONT_P 0x01
+
+/*
+ * new with 0.9.7h; the built-in DH
+ * implementation now uses constant time
+ * modular exponentiation for secret exponents
+ * by default. This flag causes the
+ * faster variable sliding window method to
+ * be used for all exponents.
+ */
+# define DH_FLAG_NO_EXP_CONSTTIME 0x02
-#define DH_FLAG_CACHE_MONT_P 0x01
-#define DH_FLAG_NO_EXP_CONSTTIME 0x02 /* new with 0.9.7h; the built-in DH
- * implementation now uses constant time
- * modular exponentiation for secret exponents
- * by default. This flag causes the
- * faster variable sliding window method to
- * be used for all exponents.
- */
-
-/* If this flag is set the DH 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 reposibility
- * to ensure the result is compliant.
+/*
+ * If this flag is set the DH 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 reposibility to ensure the
+ * result is compliant.
*/
-#define DH_FLAG_FIPS_METHOD 0x0400
+# define DH_FLAG_FIPS_METHOD 0x0400
-/* If this flag is set the operations normally disabled in FIPS mode are
+/*
+ * If this flag is set the operations normally disabled in FIPS mode are
* permitted it is then the applications responsibility to ensure that the
* usage is compliant.
*/
-#define DH_FLAG_NON_FIPS_ALLOW 0x0400
+# define DH_FLAG_NON_FIPS_ALLOW 0x0400
#ifdef __cplusplus
extern "C" {
@@ -109,75 +114,76 @@ extern "C" {
/* typedef struct dh_st DH; */
/* typedef struct dh_method DH_METHOD; */
-struct dh_method
- {
- const char *name;
- /* Methods here */
- int (*generate_key)(DH *dh);
- int (*compute_key)(unsigned char *key,const BIGNUM *pub_key,DH *dh);
- int (*bn_mod_exp)(const DH *dh, BIGNUM *r, const BIGNUM *a,
- const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
- BN_MONT_CTX *m_ctx); /* Can be null */
-
- int (*init)(DH *dh);
- int (*finish)(DH *dh);
- int flags;
- char *app_data;
- /* If this is non-NULL, it will be used to generate parameters */
- int (*generate_params)(DH *dh, int prime_len, int generator, BN_GENCB *cb);
- };
-
-struct dh_st
- {
- /* This first argument is used to pick up errors when
- * a DH is passed instead of a EVP_PKEY */
- int pad;
- int version;
- BIGNUM *p;
- BIGNUM *g;
- long length; /* optional */
- BIGNUM *pub_key; /* g^x */
- BIGNUM *priv_key; /* x */
-
- int flags;
- BN_MONT_CTX *method_mont_p;
- /* Place holders if we want to do X9.42 DH */
- BIGNUM *q;
- BIGNUM *j;
- unsigned char *seed;
- int seedlen;
- BIGNUM *counter;
-
- int references;
- CRYPTO_EX_DATA ex_data;
- const DH_METHOD *meth;
- ENGINE *engine;
- };
-
-#define DH_GENERATOR_2 2
-/* #define DH_GENERATOR_3 3 */
-#define DH_GENERATOR_5 5
+struct dh_method {
+ const char *name;
+ /* Methods here */
+ int (*generate_key) (DH *dh);
+ int (*compute_key) (unsigned char *key, const BIGNUM *pub_key, DH *dh);
+ /* Can be null */
+ int (*bn_mod_exp) (const DH *dh, BIGNUM *r, const BIGNUM *a,
+ const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx);
+ int (*init) (DH *dh);
+ int (*finish) (DH *dh);
+ int flags;
+ char *app_data;
+ /* If this is non-NULL, it will be used to generate parameters */
+ int (*generate_params) (DH *dh, int prime_len, int generator,
+ BN_GENCB *cb);
+};
+
+struct dh_st {
+ /*
+ * This first argument is used to pick up errors when a DH is passed
+ * instead of a EVP_PKEY
+ */
+ int pad;
+ int version;
+ BIGNUM *p;
+ BIGNUM *g;
+ long length; /* optional */
+ BIGNUM *pub_key; /* g^x */
+ BIGNUM *priv_key; /* x */
+ int flags;
+ BN_MONT_CTX *method_mont_p;
+ /* Place holders if we want to do X9.42 DH */
+ BIGNUM *q;
+ BIGNUM *j;
+ unsigned char *seed;
+ int seedlen;
+ BIGNUM *counter;
+ int references;
+ CRYPTO_EX_DATA ex_data;
+ const DH_METHOD *meth;
+ ENGINE *engine;
+};
+
+# define DH_GENERATOR_2 2
+/* #define DH_GENERATOR_3 3 */
+# define DH_GENERATOR_5 5
/* DH_check error codes */
-#define DH_CHECK_P_NOT_PRIME 0x01
-#define DH_CHECK_P_NOT_SAFE_PRIME 0x02
-#define DH_UNABLE_TO_CHECK_GENERATOR 0x04
-#define DH_NOT_SUITABLE_GENERATOR 0x08
+# define DH_CHECK_P_NOT_PRIME 0x01
+# define DH_CHECK_P_NOT_SAFE_PRIME 0x02
+# define DH_UNABLE_TO_CHECK_GENERATOR 0x04
+# define DH_NOT_SUITABLE_GENERATOR 0x08
/* DH_check_pub_key error codes */
-#define DH_CHECK_PUBKEY_TOO_SMALL 0x01
-#define DH_CHECK_PUBKEY_TOO_LARGE 0x02
+# define DH_CHECK_PUBKEY_TOO_SMALL 0x01
+# define DH_CHECK_PUBKEY_TOO_LARGE 0x02
-/* primes p where (p-1)/2 is prime too are called "safe"; we define
- this for backward compatibility: */
-#define DH_CHECK_P_NOT_STRONG_PRIME DH_CHECK_P_NOT_SAFE_PRIME
+/*
+ * primes p where (p-1)/2 is prime too are called "safe"; we define this for
+ * backward compatibility:
+ */
+# define DH_CHECK_P_NOT_STRONG_PRIME DH_CHECK_P_NOT_SAFE_PRIME
-#define d2i_DHparams_fp(fp,x) (DH *)ASN1_d2i_fp((char *(*)())DH_new, \
- (char *(*)())d2i_DHparams,(fp),(unsigned char **)(x))
-#define i2d_DHparams_fp(fp,x) ASN1_i2d_fp(i2d_DHparams,(fp), \
- (unsigned char *)(x))
-#define d2i_DHparams_bio(bp,x) ASN1_d2i_bio_of(DH,DH_new,d2i_DHparams,bp,x)
-#define i2d_DHparams_bio(bp,x) ASN1_i2d_bio_of_const(DH,i2d_DHparams,bp,x)
+# define d2i_DHparams_fp(fp,x) (DH *)ASN1_d2i_fp((char *(*)())DH_new, \
+ (char *(*)())d2i_DHparams,(fp),(unsigned char **)(x))
+# define i2d_DHparams_fp(fp,x) ASN1_i2d_fp(i2d_DHparams,(fp), \
+ (unsigned char *)(x))
+# define d2i_DHparams_bio(bp,x) ASN1_d2i_bio_of(DH,DH_new,d2i_DHparams,bp,x)
+# define i2d_DHparams_bio(bp,x) ASN1_i2d_bio_of_const(DH,i2d_DHparams,bp,x)
DH *DHparams_dup(DH *);
@@ -188,53 +194,54 @@ const DH_METHOD *DH_get_default_method(void);
int DH_set_method(DH *dh, const DH_METHOD *meth);
DH *DH_new_method(ENGINE *engine);
-DH * DH_new(void);
-void DH_free(DH *dh);
-int DH_up_ref(DH *dh);
-int DH_size(const DH *dh);
+DH *DH_new(void);
+void DH_free(DH *dh);
+int DH_up_ref(DH *dh);
+int DH_size(const DH *dh);
int DH_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);
int DH_set_ex_data(DH *d, int idx, void *arg);
void *DH_get_ex_data(DH *d, int idx);
/* Deprecated version */
-#ifndef OPENSSL_NO_DEPRECATED
-DH * DH_generate_parameters(int prime_len,int generator,
- void (*callback)(int,int,void *),void *cb_arg);
-#endif /* !defined(OPENSSL_NO_DEPRECATED) */
+# ifndef OPENSSL_NO_DEPRECATED
+DH *DH_generate_parameters(int prime_len, int generator,
+ void (*callback) (int, int, void *), void *cb_arg);
+# endif /* !defined(OPENSSL_NO_DEPRECATED) */
/* New version */
-int DH_generate_parameters_ex(DH *dh, int prime_len,int generator, BN_GENCB *cb);
-
-int DH_check(const DH *dh,int *codes);
-int DH_check_pub_key(const DH *dh,const BIGNUM *pub_key, int *codes);
-int DH_generate_key(DH *dh);
-int DH_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh);
-DH * d2i_DHparams(DH **a,const unsigned char **pp, long length);
-int i2d_DHparams(const DH *a,unsigned char **pp);
-#ifndef OPENSSL_NO_FP_API
-int DHparams_print_fp(FILE *fp, const DH *x);
-#endif
-#ifndef OPENSSL_NO_BIO
-int DHparams_print(BIO *bp, const DH *x);
-#else
-int DHparams_print(char *bp, const DH *x);
-#endif
-
-#define EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, len) \
- EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \
- EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN, len, NULL)
-
-#define EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, gen) \
- EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \
- EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR, gen, NULL)
-
-#define EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN (EVP_PKEY_ALG_CTRL + 1)
-#define EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR (EVP_PKEY_ALG_CTRL + 2)
-
+int DH_generate_parameters_ex(DH *dh, int prime_len, int generator,
+ BN_GENCB *cb);
+
+int DH_check(const DH *dh, int *codes);
+int DH_check_pub_key(const DH *dh, const BIGNUM *pub_key, int *codes);
+int DH_generate_key(DH *dh);
+int DH_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh);
+DH *d2i_DHparams(DH **a, const unsigned char **pp, long length);
+int i2d_DHparams(const DH *a, unsigned char **pp);
+# ifndef OPENSSL_NO_FP_API
+int DHparams_print_fp(FILE *fp, const DH *x);
+# endif
+# ifndef OPENSSL_NO_BIO
+int DHparams_print(BIO *bp, const DH *x);
+# else
+int DHparams_print(char *bp, const DH *x);
+# endif
+
+# define EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, len) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \
+ EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN, len, NULL)
+
+# define EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, gen) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \
+ EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR, gen, NULL)
+
+# define EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN (EVP_PKEY_ALG_CTRL + 1)
+# define EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR (EVP_PKEY_ALG_CTRL + 2)
/* 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_DH_strings(void);
@@ -242,37 +249,37 @@ void ERR_load_DH_strings(void);
/* Error codes for the DH functions. */
/* Function codes. */
-#define DH_F_COMPUTE_KEY 102
-#define DH_F_DHPARAMS_PRINT_FP 101
-#define DH_F_DH_BUILTIN_GENPARAMS 106
-#define DH_F_DH_COMPUTE_KEY 114
-#define DH_F_DH_GENERATE_KEY 115
-#define DH_F_DH_GENERATE_PARAMETERS_EX 116
-#define DH_F_DH_NEW_METHOD 105
-#define DH_F_DH_PARAM_DECODE 107
-#define DH_F_DH_PRIV_DECODE 110
-#define DH_F_DH_PRIV_ENCODE 111
-#define DH_F_DH_PUB_DECODE 108
-#define DH_F_DH_PUB_ENCODE 109
-#define DH_F_DO_DH_PRINT 100
-#define DH_F_GENERATE_KEY 103
-#define DH_F_GENERATE_PARAMETERS 104
-#define DH_F_PKEY_DH_DERIVE 112
-#define DH_F_PKEY_DH_KEYGEN 113
+# define DH_F_COMPUTE_KEY 102
+# define DH_F_DHPARAMS_PRINT_FP 101
+# define DH_F_DH_BUILTIN_GENPARAMS 106
+# define DH_F_DH_COMPUTE_KEY 114
+# define DH_F_DH_GENERATE_KEY 115
+# define DH_F_DH_GENERATE_PARAMETERS_EX 116
+# define DH_F_DH_NEW_METHOD 105
+# define DH_F_DH_PARAM_DECODE 107
+# define DH_F_DH_PRIV_DECODE 110
+# define DH_F_DH_PRIV_ENCODE 111
+# define DH_F_DH_PUB_DECODE 108
+# define DH_F_DH_PUB_ENCODE 109
+# define DH_F_DO_DH_PRINT 100
+# define DH_F_GENERATE_KEY 103
+# define DH_F_GENERATE_PARAMETERS 104
+# define DH_F_PKEY_DH_DERIVE 112
+# define DH_F_PKEY_DH_KEYGEN 113
/* Reason codes. */
-#define DH_R_BAD_GENERATOR 101
-#define DH_R_BN_DECODE_ERROR 109
-#define DH_R_BN_ERROR 106
-#define DH_R_DECODE_ERROR 104
-#define DH_R_INVALID_PUBKEY 102
-#define DH_R_KEYS_NOT_SET 108
-#define DH_R_KEY_SIZE_TOO_SMALL 110
-#define DH_R_MODULUS_TOO_LARGE 103
-#define DH_R_NON_FIPS_METHOD 111
-#define DH_R_NO_PARAMETERS_SET 107
-#define DH_R_NO_PRIVATE_VALUE 100
-#define DH_R_PARAMETER_ENCODING_ERROR 105
+# define DH_R_BAD_GENERATOR 101
+# define DH_R_BN_DECODE_ERROR 109
+# define DH_R_BN_ERROR 106
+# define DH_R_DECODE_ERROR 104
+# define DH_R_INVALID_PUBKEY 102
+# define DH_R_KEYS_NOT_SET 108
+# define DH_R_KEY_SIZE_TOO_SMALL 110
+# define DH_R_MODULUS_TOO_LARGE 103
+# define DH_R_NON_FIPS_METHOD 111
+# define DH_R_NO_PARAMETERS_SET 107
+# define DH_R_NO_PRIVATE_VALUE 100
+# define DH_R_PARAMETER_ENCODING_ERROR 105
#ifdef __cplusplus
}