-/* 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.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * 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.]
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
/*
#ifndef HEADER_DSA_H
# define HEADER_DSA_H
-# include <openssl/e_os2.h>
+# include <openssl/opensslconf.h>
-# ifdef OPENSSL_NO_DSA
-# error DSA is disabled.
+# ifndef OPENSSL_NO_DSA
+# ifdef __cplusplus
+extern "C" {
# endif
-
+# include <openssl/e_os2.h>
# include <openssl/bio.h>
# include <openssl/crypto.h>
# include <openssl/ossl_typ.h>
# include <openssl/opensslconf.h>
-
+# include <openssl/bn.h>
# if OPENSSL_API_COMPAT < 0x10100000L
-# include <openssl/bn.h>
-# ifndef OPENSSL_NO_DH
-# include <openssl/dh.h>
-# endif
+# include <openssl/dh.h>
# endif
# ifndef OPENSSL_DSA_MAX_MODULUS_BITS
# define OPENSSL_DSA_FIPS_MIN_MODULUS_BITS 1024
# define DSA_FLAG_CACHE_MONT_P 0x01
+# if OPENSSL_API_COMPAT < 0x10100000L
/*
- * new with 0.9.7h; the built-in DSA 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.
+ * Does nothing. Previously this switched off constant time behaviour.
*/
-# define DSA_FLAG_NO_EXP_CONSTTIME 0x02
+# define DSA_FLAG_NO_EXP_CONSTTIME 0x00
+# endif
/*
* 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
+ * sets this flag in its own methods it is its responsibility to ensure the
* result is compliant.
*/
# define DSA_FLAG_NON_FIPS_ALLOW 0x0400
# define DSA_FLAG_FIPS_CHECKED 0x0800
-#ifdef __cplusplus
-extern "C" {
-#endif
-
/* Already defined in ossl_typ.h */
/* typedef struct dsa_st DSA; */
/* typedef struct dsa_method DSA_METHOD; */
-typedef struct DSA_SIG_st {
- BIGNUM *r;
- BIGNUM *s;
-} DSA_SIG;
-
-struct dsa_method {
- const char *name;
- DSA_SIG *(*dsa_do_sign) (const unsigned char *dgst, int dlen, DSA *dsa);
- int (*dsa_sign_setup) (DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp,
- BIGNUM **rp);
- int (*dsa_do_verify) (const unsigned char *dgst, int dgst_len,
- DSA_SIG *sig, DSA *dsa);
- int (*dsa_mod_exp) (DSA *dsa, BIGNUM *rr, BIGNUM *a1, BIGNUM *p1,
- BIGNUM *a2, BIGNUM *p2, BIGNUM *m, BN_CTX *ctx,
- BN_MONT_CTX *in_mont);
- /* Can be null */
- int (*bn_mod_exp) (DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
- int (*init) (DSA *dsa);
- int (*finish) (DSA *dsa);
- int flags;
- char *app_data;
- /* If this is non-NULL, it is used to generate DSA parameters */
- int (*dsa_paramgen) (DSA *dsa, int bits,
- const unsigned char *seed, int seed_len,
- int *counter_ret, unsigned long *h_ret,
- BN_GENCB *cb);
- /* If this is non-NULL, it is used to generate DSA keys */
- int (*dsa_keygen) (DSA *dsa);
-};
-
-struct dsa_st {
- /*
- * This first variable is used to pick up errors where a DSA is passed
- * instead of of a EVP_PKEY
- */
- int pad;
- long version;
- BIGNUM *p;
- BIGNUM *q; /* == 20 */
- BIGNUM *g;
- BIGNUM *pub_key; /* y public key */
- BIGNUM *priv_key; /* x private key */
- BIGNUM *kinv; /* Signing pre-calc */
- BIGNUM *r; /* Signing pre-calc */
- int flags;
- /* Normally used to cache montgomery values */
- BN_MONT_CTX *method_mont_p;
- int references;
- CRYPTO_EX_DATA ex_data;
- const DSA_METHOD *meth;
- /* functional reference if 'meth' is ENGINE-provided */
- ENGINE *engine;
-};
+typedef struct DSA_SIG_st DSA_SIG;
# define d2i_DSAparams_fp(fp,x) (DSA *)ASN1_d2i_fp((char *(*)())DSA_new, \
(char *(*)())d2i_DSAparams,(fp),(unsigned char **)(x))
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(BIGNUM **pr, BIGNUM **ps, const DSA_SIG *sig);
DSA_SIG *DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
int DSA_do_verify(const unsigned char *dgst, int dgst_len,
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 *);
+const DSA_METHOD *DSA_get_method(DSA *d);
DSA *DSA_new(void);
DSA *DSA_new_method(ENGINE *engine);
# 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)
+void DSA_get0_pqg(const DSA *d, BIGNUM **p, BIGNUM **q, BIGNUM **g);
+int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g);
+void DSA_get0_key(const DSA *d, BIGNUM **pub_key, BIGNUM **priv_key);
+int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key);
+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 *dsam);
+DSA_METHOD *DSA_meth_dup(const DSA_METHOD *dsam);
+const char *DSA_meth_get0_name(const DSA_METHOD *dsam);
+int DSA_meth_set1_name(DSA_METHOD *dsam, const char *name);
+int DSA_meth_get_flags(DSA_METHOD *dsam);
+int DSA_meth_set_flags(DSA_METHOD *dsam, int flags);
+void *DSA_meth_get0_app_data(const DSA_METHOD *dsam);
+int DSA_meth_set0_app_data(DSA_METHOD *dsam, void *app_data);
+DSA_SIG *(*DSA_meth_get_sign(const DSA_METHOD *dsam))
+ (const unsigned char *, int, DSA *);
+int DSA_meth_set_sign(DSA_METHOD *dsam,
+ DSA_SIG *(*sign) (const unsigned char *, int, DSA *));
+int (*DSA_meth_get_sign_setup(const DSA_METHOD *dsam))
+ (DSA *, BN_CTX *, BIGNUM **, BIGNUM **);
+int DSA_meth_set_sign_setup(DSA_METHOD *dsam,
+ int (*sign_setup) (DSA *, BN_CTX *, BIGNUM **, BIGNUM **));
+int (*DSA_meth_get_verify(const DSA_METHOD *dsam))
+ (const unsigned char *, int , DSA_SIG *, DSA *);
+int DSA_meth_set_verify(DSA_METHOD *dsam,
+ int (*verify) (const unsigned char *, int, DSA_SIG *, DSA *));
+int (*DSA_meth_get_mod_exp(const DSA_METHOD *dsam))
+ (DSA *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *,
+ BN_CTX *, BN_MONT_CTX *);
+int DSA_meth_set_mod_exp(DSA_METHOD *dsam,
+ int (*mod_exp) (DSA *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *,
+ BIGNUM *, BN_CTX *, BN_MONT_CTX *));
+int (*DSA_meth_get_bn_mod_exp(const DSA_METHOD *dsam))
+ (DSA *, BIGNUM *, BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *,
+ BN_MONT_CTX *);
+int DSA_meth_set_bn_mod_exp(DSA_METHOD *dsam,
+ int (*bn_mod_exp) (DSA *, BIGNUM *, BIGNUM *, const BIGNUM *,
+ const BIGNUM *, BN_CTX *, BN_MONT_CTX *));
+int (*DSA_meth_get_init(const DSA_METHOD *dsam))(DSA *);
+int DSA_meth_set_init(DSA_METHOD *dsam, int (*init)(DSA *));
+int (*DSA_meth_get_finish(const DSA_METHOD *dsam)) (DSA *);
+int DSA_meth_set_finish(DSA_METHOD *dsam, int (*finish) (DSA *));
+int (*DSA_meth_get_paramgen(const DSA_METHOD *dsam))
+ (DSA *, int, const unsigned char *, int, int *, unsigned long *,
+ BN_GENCB *);
+int DSA_meth_set_paramgen(DSA_METHOD *dsam,
+ int (*paramgen) (DSA *, int, const unsigned char *, int, int *,
+ unsigned long *, BN_GENCB *));
+int (*DSA_meth_get_keygen(const DSA_METHOD *dsam)) (DSA *);
+int DSA_meth_set_keygen(DSA_METHOD *dsam, int (*keygen) (DSA *));
+
/* 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_BUILTIN_KEYGEN 124
# define DSA_F_DSA_BUILTIN_PARAMGEN 125
# define DSA_F_DSA_BUILTIN_PARAMGEN2 126
# define DSA_F_DSA_DO_SIGN 112
# define DSA_F_DSA_DO_VERIFY 113
+# define DSA_F_DSA_METH_DUP 127
+# define DSA_F_DSA_METH_NEW 128
+# define DSA_F_DSA_METH_SET1_NAME 129
# 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_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 123
-# 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_INVALID_PARAMETERS 112
-# define DSA_R_KEY_SIZE_TOO_SMALL 111
# define DSA_R_MISSING_PARAMETERS 101
# define DSA_R_MODULUS_TOO_LARGE 103
-# define DSA_R_NEED_NEW_SETUP_VALUES 110
# define DSA_R_NO_PARAMETERS_SET 107
# define DSA_R_PARAMETER_ENCODING_ERROR 105
# define DSA_R_Q_NOT_PRIME 113
-#ifdef __cplusplus
+# ifdef __cplusplus
}
-#endif
+# endif
+# endif
#endif
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