287 lines
11 KiB
C
Executable File
287 lines
11 KiB
C
Executable File
/* $OpenBSD: dsa.h,v 1.35 2022/01/14 08:27:23 tb Exp $ */
|
|
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
|
|
* All rights reserved.
|
|
*
|
|
* 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:
|
|
* 1. Redistributions of source code must retain the copyright
|
|
* 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 the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* "This product includes cryptographic software written by
|
|
* 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
|
|
* 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
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* 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
|
|
* [including the GNU Public Licence.]
|
|
*/
|
|
|
|
/*
|
|
* The DSS routines are based on patches supplied by
|
|
* Steven Schoch <schoch@sheba.arc.nasa.gov>. He basically did the
|
|
* work and I have just tweaked them a little to fit into my
|
|
* stylistic vision for SSLeay :-) */
|
|
|
|
#ifndef HEADER_DSA_H
|
|
#define HEADER_DSA_H
|
|
|
|
#include <openssl/opensslconf.h>
|
|
|
|
#ifdef OPENSSL_NO_DSA
|
|
#error DSA is disabled.
|
|
#endif
|
|
|
|
#ifndef OPENSSL_NO_BIO
|
|
#include <openssl/bio.h>
|
|
#endif
|
|
#include <openssl/crypto.h>
|
|
#include <openssl/ossl_typ.h>
|
|
|
|
#ifndef OPENSSL_NO_DEPRECATED
|
|
#include <openssl/bn.h>
|
|
#ifndef OPENSSL_NO_DH
|
|
# include <openssl/dh.h>
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef OPENSSL_DSA_MAX_MODULUS_BITS
|
|
# define OPENSSL_DSA_MAX_MODULUS_BITS 10000
|
|
#endif
|
|
|
|
#define DSA_FLAG_CACHE_MONT_P 0x01
|
|
|
|
/* If this flag is set the DSA 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 DSA_FLAG_FIPS_METHOD 0x0400
|
|
|
|
/* 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 DSA_FLAG_NON_FIPS_ALLOW 0x0400
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct DSA_SIG_st DSA_SIG;
|
|
|
|
DSA *d2i_DSAparams_bio(BIO *bp, DSA **a);
|
|
int i2d_DSAparams_bio(BIO *bp, DSA *a);
|
|
DSA *d2i_DSAparams_fp(FILE *fp, DSA **a);
|
|
int i2d_DSAparams_fp(FILE *fp, DSA *a);
|
|
|
|
DSA *DSAparams_dup(DSA *x);
|
|
DSA_SIG * DSA_SIG_new(void);
|
|
void DSA_SIG_free(DSA_SIG *a);
|
|
int i2d_DSA_SIG(const DSA_SIG *a, unsigned char **pp);
|
|
DSA_SIG * d2i_DSA_SIG(DSA_SIG **v, const unsigned char **pp, long length);
|
|
void DSA_SIG_get0(const DSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps);
|
|
int DSA_SIG_set0(DSA_SIG *sig, BIGNUM *r, BIGNUM *s);
|
|
|
|
DSA_SIG * DSA_do_sign(const unsigned char *dgst,int dlen,DSA *dsa);
|
|
int DSA_do_verify(const unsigned char *dgst,int dgst_len,
|
|
DSA_SIG *sig,DSA *dsa);
|
|
|
|
const DSA_METHOD *DSA_OpenSSL(void);
|
|
|
|
void DSA_set_default_method(const DSA_METHOD *);
|
|
const DSA_METHOD *DSA_get_default_method(void);
|
|
int DSA_set_method(DSA *dsa, const DSA_METHOD *);
|
|
|
|
DSA * DSA_new(void);
|
|
DSA * DSA_new_method(ENGINE *engine);
|
|
void DSA_free(DSA *r);
|
|
/* "up" the DSA object's reference count */
|
|
int DSA_up_ref(DSA *r);
|
|
int DSA_size(const DSA *);
|
|
int DSA_bits(const DSA *d);
|
|
/* next 4 return -1 on error */
|
|
int DSA_sign_setup( DSA *dsa,BN_CTX *ctx_in,BIGNUM **kinvp,BIGNUM **rp);
|
|
int DSA_sign(int type,const unsigned char *dgst,int dlen,
|
|
unsigned char *sig, unsigned int *siglen, DSA *dsa);
|
|
int DSA_verify(int type,const unsigned char *dgst,int dgst_len,
|
|
const unsigned char *sigbuf, int siglen, DSA *dsa);
|
|
int DSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
|
|
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
|
|
int DSA_set_ex_data(DSA *d, int idx, void *arg);
|
|
void *DSA_get_ex_data(DSA *d, int idx);
|
|
|
|
DSA *d2i_DSAPublicKey(DSA **a, const unsigned char **pp, long length);
|
|
int i2d_DSAPublicKey(const DSA *a, unsigned char **pp);
|
|
extern const ASN1_ITEM DSAPublicKey_it;
|
|
|
|
DSA *d2i_DSAPrivateKey(DSA **a, const unsigned char **pp, long length);
|
|
int i2d_DSAPrivateKey(const DSA *a, unsigned char **pp);
|
|
extern const ASN1_ITEM DSAPrivateKey_it;
|
|
|
|
DSA *d2i_DSAparams(DSA **a, const unsigned char **pp, long length);
|
|
int i2d_DSAparams(const DSA *a,unsigned char **pp);
|
|
extern const ASN1_ITEM DSAparams_it;
|
|
|
|
/* Deprecated version */
|
|
#ifndef OPENSSL_NO_DEPRECATED
|
|
DSA * DSA_generate_parameters(int bits,
|
|
unsigned char *seed,int seed_len,
|
|
int *counter_ret, unsigned long *h_ret,void
|
|
(*callback)(int, int, void *),void *cb_arg);
|
|
#endif /* !defined(OPENSSL_NO_DEPRECATED) */
|
|
|
|
/* New version */
|
|
int DSA_generate_parameters_ex(DSA *dsa, int bits,
|
|
const unsigned char *seed,int seed_len,
|
|
int *counter_ret, unsigned long *h_ret, BN_GENCB *cb);
|
|
|
|
int DSA_generate_key(DSA *a);
|
|
|
|
#ifndef OPENSSL_NO_BIO
|
|
int DSAparams_print(BIO *bp, const DSA *x);
|
|
int DSA_print(BIO *bp, const DSA *x, int off);
|
|
#endif
|
|
int DSAparams_print_fp(FILE *fp, const DSA *x);
|
|
int DSA_print_fp(FILE *bp, const DSA *x, int off);
|
|
|
|
/*
|
|
* Primality test according to FIPS PUB 186-4, Appendix C.3. Set the number
|
|
* to 64 rounds of Miller-Rabin, which corresponds to 128 bits of security.
|
|
* This is necessary for keys of size >= 3072.
|
|
*/
|
|
#define DSS_prime_checks 64
|
|
#define DSA_is_prime(n, callback, cb_arg) \
|
|
BN_is_prime(n, DSS_prime_checks, callback, NULL, cb_arg)
|
|
|
|
#ifndef OPENSSL_NO_DH
|
|
/* Convert DSA structure (key or just parameters) into DH structure
|
|
* (be careful to avoid small subgroup attacks when using this!) */
|
|
DH *DSA_dup_DH(const DSA *r);
|
|
#endif
|
|
|
|
void DSA_get0_pqg(const DSA *d, const BIGNUM **p, const BIGNUM **q,
|
|
const BIGNUM **g);
|
|
int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g);
|
|
void DSA_get0_key(const DSA *d, const BIGNUM **pub_key, const BIGNUM **priv_key);
|
|
int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key);
|
|
const BIGNUM *DSA_get0_p(const DSA *d);
|
|
const BIGNUM *DSA_get0_q(const DSA *d);
|
|
const BIGNUM *DSA_get0_g(const DSA *d);
|
|
const BIGNUM *DSA_get0_pub_key(const DSA *d);
|
|
const BIGNUM *DSA_get0_priv_key(const DSA *d);
|
|
void DSA_clear_flags(DSA *d, int flags);
|
|
int DSA_test_flags(const DSA *d, int flags);
|
|
void DSA_set_flags(DSA *d, int flags);
|
|
ENGINE *DSA_get0_engine(DSA *d);
|
|
|
|
DSA_METHOD *DSA_meth_new(const char *name, int flags);
|
|
void DSA_meth_free(DSA_METHOD *meth);
|
|
DSA_METHOD *DSA_meth_dup(const DSA_METHOD *meth);
|
|
int DSA_meth_set_sign(DSA_METHOD *meth,
|
|
DSA_SIG *(*sign)(const unsigned char *, int, DSA *));
|
|
int DSA_meth_set_finish(DSA_METHOD *meth, int (*finish)(DSA *));
|
|
|
|
#define EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits) \
|
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
|
|
EVP_PKEY_CTRL_DSA_PARAMGEN_BITS, nbits, NULL)
|
|
|
|
#define EVP_PKEY_CTRL_DSA_PARAMGEN_BITS (EVP_PKEY_ALG_CTRL + 1)
|
|
#define EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS (EVP_PKEY_ALG_CTRL + 2)
|
|
#define EVP_PKEY_CTRL_DSA_PARAMGEN_MD (EVP_PKEY_ALG_CTRL + 3)
|
|
|
|
/* BEGIN ERROR CODES */
|
|
/* 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_DSA_strings(void);
|
|
|
|
/* Error codes for the DSA functions. */
|
|
|
|
/* Function codes. */
|
|
#define DSA_F_D2I_DSA_SIG 110
|
|
#define DSA_F_DO_DSA_PRINT 104
|
|
#define DSA_F_DSAPARAMS_PRINT 100
|
|
#define DSA_F_DSAPARAMS_PRINT_FP 101
|
|
#define DSA_F_DSA_DO_SIGN 112
|
|
#define DSA_F_DSA_DO_VERIFY 113
|
|
#define DSA_F_DSA_GENERATE_KEY 124
|
|
#define DSA_F_DSA_GENERATE_PARAMETERS_EX 123
|
|
#define DSA_F_DSA_NEW_METHOD 103
|
|
#define DSA_F_DSA_PARAM_DECODE 119
|
|
#define DSA_F_DSA_PRINT_FP 105
|
|
#define DSA_F_DSA_PRIV_DECODE 115
|
|
#define DSA_F_DSA_PRIV_ENCODE 116
|
|
#define DSA_F_DSA_PUB_DECODE 117
|
|
#define DSA_F_DSA_PUB_ENCODE 118
|
|
#define DSA_F_DSA_SIGN 106
|
|
#define DSA_F_DSA_SIGN_SETUP 107
|
|
#define DSA_F_DSA_SIG_NEW 109
|
|
#define DSA_F_DSA_SIG_PRINT 125
|
|
#define DSA_F_DSA_VERIFY 108
|
|
#define DSA_F_I2D_DSA_SIG 111
|
|
#define DSA_F_OLD_DSA_PRIV_DECODE 122
|
|
#define DSA_F_PKEY_DSA_CTRL 120
|
|
#define DSA_F_PKEY_DSA_KEYGEN 121
|
|
#define DSA_F_SIG_CB 114
|
|
|
|
/* Reason codes. */
|
|
#define DSA_R_BAD_Q_VALUE 102
|
|
#define DSA_R_BN_DECODE_ERROR 108
|
|
#define DSA_R_BN_ERROR 109
|
|
#define DSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 100
|
|
#define DSA_R_DECODE_ERROR 104
|
|
#define DSA_R_INVALID_DIGEST_TYPE 106
|
|
#define DSA_R_MISSING_PARAMETERS 101
|
|
#define DSA_R_MODULUS_TOO_LARGE 103
|
|
#define DSA_R_NEED_NEW_SETUP_VALUES 110
|
|
#define DSA_R_NON_FIPS_DSA_METHOD 111
|
|
#define DSA_R_NO_PARAMETERS_SET 107
|
|
#define DSA_R_PARAMETER_ENCODING_ERROR 105
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|