-/* 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>.
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (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
extern "C" {
# endif
# include <openssl/e_os2.h>
+# include <openssl/asn1.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
+# if !OPENSSL_API_1_1_0
# include <openssl/dh.h>
# endif
+# include <openssl/dsaerr.h>
# ifndef OPENSSL_DSA_MAX_MODULUS_BITS
# define OPENSSL_DSA_MAX_MODULUS_BITS 10000
# define OPENSSL_DSA_FIPS_MIN_MODULUS_BITS 1024
# define DSA_FLAG_CACHE_MONT_P 0x01
+# if !OPENSSL_API_1_1_0
/*
- * 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
# define i2d_DSAparams_fp(fp,x) ASN1_i2d_fp(i2d_DSAparams,(fp), \
(unsigned char *)(x))
# define d2i_DSAparams_bio(bp,x) ASN1_d2i_bio_of(DSA,DSA_new,d2i_DSAparams,bp,x)
-# define i2d_DSAparams_bio(bp,x) ASN1_i2d_bio_of_const(DSA,i2d_DSAparams,bp,x)
+# define i2d_DSAparams_bio(bp,x) ASN1_i2d_bio_of(DSA,i2d_DSAparams,bp,x)
-DSA *DSAparams_dup(DSA *x);
+DECLARE_ASN1_DUP_FUNCTION_name(DSA, DSAparams)
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(BIGNUM **pr, BIGNUM **ps, const DSA_SIG *sig);
+DECLARE_ASN1_ENCODE_FUNCTIONS_only(DSA_SIG, DSA_SIG)
+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,
/* "up" the DSA object's reference count */
int DSA_up_ref(DSA *r);
int DSA_size(const DSA *);
+int DSA_bits(const DSA *d);
int DSA_security_bits(const DSA *d);
/* next 4 return -1 on error */
-int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp);
+DEPRECATEDIN_3(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,
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);
-DSA *d2i_DSAPrivateKey(DSA **a, const unsigned char **pp, long length);
-DSA *d2i_DSAparams(DSA **a, const unsigned char **pp, long length);
+DECLARE_ASN1_ENCODE_FUNCTIONS_only(DSA, DSAPublicKey)
+DECLARE_ASN1_ENCODE_FUNCTIONS_only(DSA, DSAPrivateKey)
+DECLARE_ASN1_ENCODE_FUNCTIONS_only(DSA, DSAparams)
/* Deprecated version */
DEPRECATEDIN_0_9_8(DSA *DSA_generate_parameters(int bits,
BN_GENCB *cb);
int DSA_generate_key(DSA *a);
-int i2d_DSAPublicKey(const DSA *a, unsigned char **pp);
-int i2d_DSAPrivateKey(const DSA *a, unsigned char **pp);
-int i2d_DSAparams(const DSA *a, unsigned char **pp);
int DSAparams_print(BIO *bp, const DSA *x);
int DSA_print(BIO *bp, const DSA *x, int off);
int DSA_print_fp(FILE *bp, const DSA *x, int off);
# endif
-# define DSS_prime_checks 50
+# define DSS_prime_checks 64
/*
- * Primality test according to FIPS PUB 186[-1], Appendix 2.1: 50 rounds of
- * Rabin-Miller
+ * Primality test according to FIPS PUB 186-4, Appendix C.3. Since we only
+ * have one value here we set the number of checks to 64 which is the 128 bit
+ * security level that is the highest level and valid for creating a 3072 bit
+ * DSA key.
*/
# define DSA_is_prime(n, callback, cb_arg) \
BN_is_prime(n, DSS_prime_checks, callback, NULL, cb_arg)
# 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_CTX_set_dsa_paramgen_q_bits(ctx, qbits) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
+ EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS, qbits, NULL)
+# define EVP_PKEY_CTX_set_dsa_paramgen_md(ctx, md) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
+ EVP_PKEY_CTRL_DSA_PARAMGEN_MD, 0, (void *)(md))
# 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)
-void DSA_get0_pqg(const DSA *d, BIGNUM **p, BIGNUM **q, BIGNUM **g);
+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, BIGNUM **pub_key, BIGNUM **priv_key);
+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);
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_get_flags(const 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);
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 *);
+ (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 *);
+ (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *,
+ const BIGNUM *, const 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 (*mod_exp) (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *,
+ const BIGNUM *, const BIGNUM *, const 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 *);
+ (DSA *, BIGNUM *, const 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 *,
+ int (*bn_mod_exp) (DSA *, BIGNUM *, const 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_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_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 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