| /* |
| * Copyright 1995-2021 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 OPENSSL_DSA_H |
| # define OPENSSL_DSA_H |
| # pragma once |
| |
| # include <openssl/macros.h> |
| # ifndef OPENSSL_NO_DEPRECATED_3_0 |
| # define HEADER_DSA_H |
| # endif |
| |
| # include <openssl/opensslconf.h> |
| # include <openssl/types.h> |
| |
| # include <stdlib.h> |
| |
| # ifndef OPENSSL_NO_DSA |
| # include <openssl/e_os2.h> |
| # include <openssl/asn1.h> |
| # include <openssl/bio.h> |
| # include <openssl/crypto.h> |
| # include <openssl/bn.h> |
| # ifndef OPENSSL_NO_DEPRECATED_1_1_0 |
| # include <openssl/dh.h> |
| # endif |
| # include <openssl/dsaerr.h> |
| # ifndef OPENSSL_NO_STDIO |
| # include <stdio.h> |
| # endif |
| # endif |
| |
| # ifdef __cplusplus |
| extern "C" { |
| # endif |
| |
| int EVP_PKEY_CTX_set_dsa_paramgen_bits(EVP_PKEY_CTX *ctx, int nbits); |
| int EVP_PKEY_CTX_set_dsa_paramgen_q_bits(EVP_PKEY_CTX *ctx, int qbits); |
| int EVP_PKEY_CTX_set_dsa_paramgen_md_props(EVP_PKEY_CTX *ctx, |
| const char *md_name, |
| const char *md_properties); |
| int EVP_PKEY_CTX_set_dsa_paramgen_gindex(EVP_PKEY_CTX *ctx, int gindex); |
| int EVP_PKEY_CTX_set_dsa_paramgen_type(EVP_PKEY_CTX *ctx, const char *name); |
| int EVP_PKEY_CTX_set_dsa_paramgen_seed(EVP_PKEY_CTX *ctx, |
| const unsigned char *seed, |
| size_t seedlen); |
| int EVP_PKEY_CTX_set_dsa_paramgen_md(EVP_PKEY_CTX *ctx, const EVP_MD *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) |
| |
| # ifndef OPENSSL_NO_DSA |
| # ifndef OPENSSL_DSA_MAX_MODULUS_BITS |
| # define OPENSSL_DSA_MAX_MODULUS_BITS 10000 |
| # endif |
| |
| # define OPENSSL_DSA_FIPS_MIN_MODULUS_BITS 1024 |
| |
| typedef struct DSA_SIG_st DSA_SIG; |
| DSA_SIG *DSA_SIG_new(void); |
| void DSA_SIG_free(DSA_SIG *a); |
| 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); |
| |
| |
| # ifndef OPENSSL_NO_DEPRECATED_1_1_0 |
| /* |
| * Does nothing. Previously this switched off constant time behaviour. |
| */ |
| # define DSA_FLAG_NO_EXP_CONSTTIME 0x00 |
| # endif |
| |
| # ifndef OPENSSL_NO_DEPRECATED_3_0 |
| # 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 responsibility 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 |
| # define DSA_FLAG_FIPS_CHECKED 0x0800 |
| |
| /* Already defined in ossl_typ.h */ |
| /* typedef struct dsa_st DSA; */ |
| /* typedef struct dsa_method DSA_METHOD; */ |
| |
| # define d2i_DSAparams_fp(fp, x) \ |
| (DSA *)ASN1_d2i_fp((char *(*)())DSA_new, \ |
| (char *(*)())d2i_DSAparams, (fp), \ |
| (unsigned char **)(x)) |
| # 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(DSA, i2d_DSAparams, bp, x) |
| |
| DECLARE_ASN1_DUP_FUNCTION_name_attr(OSSL_DEPRECATEDIN_3_0, DSA, DSAparams) |
| OSSL_DEPRECATEDIN_3_0 DSA_SIG *DSA_do_sign(const unsigned char *dgst, int dlen, |
| DSA *dsa); |
| OSSL_DEPRECATEDIN_3_0 int DSA_do_verify(const unsigned char *dgst, int dgst_len, |
| DSA_SIG *sig, DSA *dsa); |
| |
| OSSL_DEPRECATEDIN_3_0 const DSA_METHOD *DSA_OpenSSL(void); |
| |
| OSSL_DEPRECATEDIN_3_0 void DSA_set_default_method(const DSA_METHOD *); |
| OSSL_DEPRECATEDIN_3_0 const DSA_METHOD *DSA_get_default_method(void); |
| OSSL_DEPRECATEDIN_3_0 int DSA_set_method(DSA *dsa, const DSA_METHOD *); |
| OSSL_DEPRECATEDIN_3_0 const DSA_METHOD *DSA_get_method(DSA *d); |
| |
| OSSL_DEPRECATEDIN_3_0 DSA *DSA_new(void); |
| OSSL_DEPRECATEDIN_3_0 DSA *DSA_new_method(ENGINE *engine); |
| OSSL_DEPRECATEDIN_3_0 void DSA_free(DSA *r); |
| /* "up" the DSA object's reference count */ |
| OSSL_DEPRECATEDIN_3_0 int DSA_up_ref(DSA *r); |
| OSSL_DEPRECATEDIN_3_0 int DSA_size(const DSA *); |
| OSSL_DEPRECATEDIN_3_0 int DSA_bits(const DSA *d); |
| OSSL_DEPRECATEDIN_3_0 int DSA_security_bits(const DSA *d); |
| /* next 4 return -1 on error */ |
| OSSL_DEPRECATEDIN_3_0 int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, |
| BIGNUM **kinvp, BIGNUM **rp); |
| OSSL_DEPRECATEDIN_3_0 int DSA_sign(int type, const unsigned char *dgst, |
| int dlen, unsigned char *sig, |
| unsigned int *siglen, DSA *dsa); |
| OSSL_DEPRECATEDIN_3_0 int DSA_verify(int type, const unsigned char *dgst, |
| int dgst_len, const unsigned char *sigbuf, |
| int siglen, DSA *dsa); |
| |
| # define DSA_get_ex_new_index(l, p, newf, dupf, freef) \ |
| CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DSA, l, p, newf, dupf, freef) |
| OSSL_DEPRECATEDIN_3_0 int DSA_set_ex_data(DSA *d, int idx, void *arg); |
| OSSL_DEPRECATEDIN_3_0 void *DSA_get_ex_data(const DSA *d, int idx); |
| |
| DECLARE_ASN1_ENCODE_FUNCTIONS_only_attr(OSSL_DEPRECATEDIN_3_0, |
| DSA, DSAPublicKey) |
| DECLARE_ASN1_ENCODE_FUNCTIONS_only_attr(OSSL_DEPRECATEDIN_3_0, |
| DSA, DSAPrivateKey) |
| DECLARE_ASN1_ENCODE_FUNCTIONS_only_attr(OSSL_DEPRECATEDIN_3_0, |
| DSA, DSAparams) |
| # endif |
| |
| # ifndef OPENSSL_NO_DEPRECATED_0_9_8 |
| /* Deprecated version */ |
| OSSL_DEPRECATEDIN_0_9_8 |
| 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 |
| |
| # ifndef OPENSSL_NO_DEPRECATED_3_0 |
| /* New version */ |
| OSSL_DEPRECATEDIN_3_0 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); |
| |
| OSSL_DEPRECATEDIN_3_0 int DSA_generate_key(DSA *a); |
| |
| OSSL_DEPRECATEDIN_3_0 int DSAparams_print(BIO *bp, const DSA *x); |
| OSSL_DEPRECATEDIN_3_0 int DSA_print(BIO *bp, const DSA *x, int off); |
| # ifndef OPENSSL_NO_STDIO |
| OSSL_DEPRECATEDIN_3_0 int DSAparams_print_fp(FILE *fp, const DSA *x); |
| OSSL_DEPRECATEDIN_3_0 int DSA_print_fp(FILE *bp, const DSA *x, int off); |
| # endif |
| |
| # define DSS_prime_checks 64 |
| /* |
| * 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) |
| |
| # ifndef OPENSSL_NO_DH |
| /* |
| * Convert DSA structure (key or just parameters) into DH structure (be |
| * careful to avoid small subgroup attacks when using this!) |
| */ |
| OSSL_DEPRECATEDIN_3_0 DH *DSA_dup_DH(const DSA *r); |
| # endif |
| |
| OSSL_DEPRECATEDIN_3_0 void DSA_get0_pqg(const DSA *d, const BIGNUM **p, |
| const BIGNUM **q, const BIGNUM **g); |
| OSSL_DEPRECATEDIN_3_0 int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g); |
| OSSL_DEPRECATEDIN_3_0 void DSA_get0_key(const DSA *d, const BIGNUM **pub_key, |
| const BIGNUM **priv_key); |
| OSSL_DEPRECATEDIN_3_0 int DSA_set0_key(DSA *d, BIGNUM *pub_key, |
| BIGNUM *priv_key); |
| OSSL_DEPRECATEDIN_3_0 const BIGNUM *DSA_get0_p(const DSA *d); |
| OSSL_DEPRECATEDIN_3_0 const BIGNUM *DSA_get0_q(const DSA *d); |
| OSSL_DEPRECATEDIN_3_0 const BIGNUM *DSA_get0_g(const DSA *d); |
| OSSL_DEPRECATEDIN_3_0 const BIGNUM *DSA_get0_pub_key(const DSA *d); |
| OSSL_DEPRECATEDIN_3_0 const BIGNUM *DSA_get0_priv_key(const DSA *d); |
| OSSL_DEPRECATEDIN_3_0 void DSA_clear_flags(DSA *d, int flags); |
| OSSL_DEPRECATEDIN_3_0 int DSA_test_flags(const DSA *d, int flags); |
| OSSL_DEPRECATEDIN_3_0 void DSA_set_flags(DSA *d, int flags); |
| OSSL_DEPRECATEDIN_3_0 ENGINE *DSA_get0_engine(DSA *d); |
| |
| OSSL_DEPRECATEDIN_3_0 DSA_METHOD *DSA_meth_new(const char *name, int flags); |
| OSSL_DEPRECATEDIN_3_0 void DSA_meth_free(DSA_METHOD *dsam); |
| OSSL_DEPRECATEDIN_3_0 DSA_METHOD *DSA_meth_dup(const DSA_METHOD *dsam); |
| OSSL_DEPRECATEDIN_3_0 const char *DSA_meth_get0_name(const DSA_METHOD *dsam); |
| OSSL_DEPRECATEDIN_3_0 int DSA_meth_set1_name(DSA_METHOD *dsam, |
| const char *name); |
| OSSL_DEPRECATEDIN_3_0 int DSA_meth_get_flags(const DSA_METHOD *dsam); |
| OSSL_DEPRECATEDIN_3_0 int DSA_meth_set_flags(DSA_METHOD *dsam, int flags); |
| OSSL_DEPRECATEDIN_3_0 void *DSA_meth_get0_app_data(const DSA_METHOD *dsam); |
| OSSL_DEPRECATEDIN_3_0 int DSA_meth_set0_app_data(DSA_METHOD *dsam, |
| void *app_data); |
| OSSL_DEPRECATEDIN_3_0 DSA_SIG *(*DSA_meth_get_sign(const DSA_METHOD *dsam)) |
| (const unsigned char *, int, DSA *); |
| OSSL_DEPRECATEDIN_3_0 int DSA_meth_set_sign(DSA_METHOD *dsam, |
| DSA_SIG *(*sign) (const unsigned char *, int, DSA *)); |
| OSSL_DEPRECATEDIN_3_0 int (*DSA_meth_get_sign_setup(const DSA_METHOD *dsam)) |
| (DSA *, BN_CTX *, BIGNUM **, BIGNUM **); |
| OSSL_DEPRECATEDIN_3_0 int DSA_meth_set_sign_setup(DSA_METHOD *dsam, |
| int (*sign_setup) (DSA *, BN_CTX *, BIGNUM **, BIGNUM **)); |
| OSSL_DEPRECATEDIN_3_0 int (*DSA_meth_get_verify(const DSA_METHOD *dsam)) |
| (const unsigned char *, int, DSA_SIG *, DSA *); |
| OSSL_DEPRECATEDIN_3_0 int DSA_meth_set_verify(DSA_METHOD *dsam, |
| int (*verify) (const unsigned char *, int, DSA_SIG *, DSA *)); |
| OSSL_DEPRECATEDIN_3_0 int (*DSA_meth_get_mod_exp(const DSA_METHOD *dsam)) |
| (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *, |
| const BIGNUM *, const BIGNUM *, BN_CTX *, BN_MONT_CTX *); |
| OSSL_DEPRECATEDIN_3_0 int DSA_meth_set_mod_exp(DSA_METHOD *dsam, |
| int (*mod_exp) (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, |
| const BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *, |
| BN_MONT_CTX *)); |
| OSSL_DEPRECATEDIN_3_0 int (*DSA_meth_get_bn_mod_exp(const DSA_METHOD *dsam)) |
| (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *, |
| BN_CTX *, BN_MONT_CTX *); |
| OSSL_DEPRECATEDIN_3_0 int DSA_meth_set_bn_mod_exp(DSA_METHOD *dsam, |
| int (*bn_mod_exp) (DSA *, BIGNUM *, const BIGNUM *, const BIGNUM *, |
| const BIGNUM *, BN_CTX *, BN_MONT_CTX *)); |
| OSSL_DEPRECATEDIN_3_0 int (*DSA_meth_get_init(const DSA_METHOD *dsam))(DSA *); |
| OSSL_DEPRECATEDIN_3_0 int DSA_meth_set_init(DSA_METHOD *dsam, |
| int (*init)(DSA *)); |
| OSSL_DEPRECATEDIN_3_0 int (*DSA_meth_get_finish(const DSA_METHOD *dsam))(DSA *); |
| OSSL_DEPRECATEDIN_3_0 int DSA_meth_set_finish(DSA_METHOD *dsam, |
| int (*finish)(DSA *)); |
| OSSL_DEPRECATEDIN_3_0 int (*DSA_meth_get_paramgen(const DSA_METHOD *dsam)) |
| (DSA *, int, const unsigned char *, int, int *, unsigned long *, |
| BN_GENCB *); |
| OSSL_DEPRECATEDIN_3_0 int DSA_meth_set_paramgen(DSA_METHOD *dsam, |
| int (*paramgen) (DSA *, int, const unsigned char *, int, int *, |
| unsigned long *, BN_GENCB *)); |
| OSSL_DEPRECATEDIN_3_0 int (*DSA_meth_get_keygen(const DSA_METHOD *dsam))(DSA *); |
| OSSL_DEPRECATEDIN_3_0 int DSA_meth_set_keygen(DSA_METHOD *dsam, |
| int (*keygen) (DSA *)); |
| |
| # endif |
| # endif |
| # ifdef __cplusplus |
| } |
| # endif |
| #endif |
