diff options
Diffstat (limited to 'crypto/dsa/dsa_local.h')
-rw-r--r-- | crypto/dsa/dsa_local.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/crypto/dsa/dsa_local.h b/crypto/dsa/dsa_local.h new file mode 100644 index 0000000000..a81a4b4978 --- /dev/null +++ b/crypto/dsa/dsa_local.h @@ -0,0 +1,77 @@ +/* + * Copyright 2007-2016 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 + */ + +#include <openssl/dsa.h> +#include "internal/refcount.h" + +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; + int32_t version; + BIGNUM *p; + BIGNUM *q; /* == 20 */ + BIGNUM *g; + BIGNUM *pub_key; /* y public key */ + BIGNUM *priv_key; /* x private key */ + int flags; + /* Normally used to cache montgomery values */ + BN_MONT_CTX *method_mont_p; + CRYPTO_REF_COUNT references; + CRYPTO_EX_DATA ex_data; + const DSA_METHOD *meth; + /* functional reference if 'meth' is ENGINE-provided */ + ENGINE *engine; + CRYPTO_RWLOCK *lock; +}; + +struct DSA_SIG_st { + BIGNUM *r; + BIGNUM *s; +}; + +struct dsa_method { + 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, const BIGNUM *a1, + const BIGNUM *p1, const BIGNUM *a2, const BIGNUM *p2, + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont); + /* Can be null */ + int (*bn_mod_exp) (DSA *dsa, BIGNUM *r, const 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; + void *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); +}; + +int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits, + const EVP_MD *evpmd, const unsigned char *seed_in, + size_t seed_len, unsigned char *seed_out, + int *counter_ret, unsigned long *h_ret, + BN_GENCB *cb); + +int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N, + const EVP_MD *evpmd, const unsigned char *seed_in, + size_t seed_len, int idx, unsigned char *seed_out, + int *counter_ret, unsigned long *h_ret, + BN_GENCB *cb); |