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- /*
- * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
- *
- * 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/opensslconf.h>
-
- # 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/bn.h>
- # if OPENSSL_API_COMPAT < 0x10100000L
- # include <openssl/dh.h>
- # endif
- # include <openssl/dsaerr.h>
-
- # ifndef OPENSSL_DSA_MAX_MODULUS_BITS
- # define OPENSSL_DSA_MAX_MODULUS_BITS 10000
- # endif
-
- # define OPENSSL_DSA_FIPS_MIN_MODULUS_BITS 1024
-
- # define DSA_FLAG_CACHE_MONT_P 0x01
- # if OPENSSL_API_COMPAT < 0x10100000L
- /*
- * Does nothing. Previously this switched off constant time behaviour.
- */
- # 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 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; */
-
- 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))
- # 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)
-
- 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 *);
- const DSA_METHOD *DSA_get_method(DSA *d);
-
- 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);
- int DSA_security_bits(const DSA *d);
- /* next 4 return -1 on error */
- DEPRECATEDIN_1_2_0(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);
- #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)
- 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);
-
- /* Deprecated version */
- 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))
-
- /* 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);
- 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);
- # ifndef OPENSSL_NO_STDIO
- int DSAparams_print_fp(FILE *fp, const DSA *x);
- 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!)
- */
- DH *DSA_dup_DH(const DSA *r);
- # endif
-
- # 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)
-
- 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 *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(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);
- 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 *, 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 *, 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 *, 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 *, 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_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 *));
-
-
- # ifdef __cplusplus
- }
- # endif
- # endif
- #endif
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