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Add functions to set ECDSA_METHOD structure.

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Add various functions to allocate and set the fields of an ECDSA_METHOD
structure.
(cherry picked from commit 94c2f77a62)
This commit is contained in:
Dr. Stephen Henson
2013-09-18 00:50:15 +01:00
parent 8b9722a3c0
commit 7c23127fde
5 changed files with 129 additions and 0 deletions
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65
crypto/ecdsa/ecs_lib.c
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@@ -283,3 +283,68 @@ void *ECDSA_get_ex_data(EC_KEY *d, int idx)
return NULL;
return(CRYPTO_get_ex_data(&ecdsa->ex_data,idx));
}
ECDSA_METHOD *ECDSA_METHOD_new(ECDSA_METHOD *ecdsa_meth)
{
ECDSA_METHOD *ret;
ret = OPENSSL_malloc(sizeof(ECDSA_METHOD));
if (ret == NULL)
{
ECDSAerr(ECDSA_F_ECDSA_METHOD_NEW, ERR_R_MALLOC_FAILURE);
return NULL;
}
if (ecdsa_meth)
*ret = *ecdsa_meth;
else
{
ret->ecdsa_sign_setup = 0;
ret->ecdsa_do_sign = 0;
ret->ecdsa_do_verify = 0;
ret->name = NULL;
ret->flags = 0;
}
ret->flags |= ECDSA_METHOD_FLAG_ALLOCATED;
return ret;
}
void ECDSA_METHOD_set_sign(ECDSA_METHOD *ecdsa_method,
ECDSA_SIG *(*ecdsa_do_sign)(const unsigned char *dgst, int dgst_len,
const BIGNUM *inv, const BIGNUM *rp, EC_KEY *eckey))
{
ecdsa_method->ecdsa_do_sign = ecdsa_do_sign;
}
void ECDSA_METHOD_set_sign_setup(ECDSA_METHOD *ecdsa_method,
int (*ecdsa_sign_setup)(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
BIGNUM **r))
{
ecdsa_method->ecdsa_sign_setup = ecdsa_sign_setup;
}
void ECDSA_METHOD_set_verify(ECDSA_METHOD *ecdsa_method,
int (*ecdsa_do_verify)(const unsigned char *dgst, int dgst_len,
const ECDSA_SIG *sig, EC_KEY *eckey))
{
ecdsa_method->ecdsa_do_verify = ecdsa_do_verify;
}
void ECDSA_METHOD_set_flags(ECDSA_METHOD *ecdsa_method, int flags)
{
ecdsa_method->flags = flags | ECDSA_METHOD_FLAG_ALLOCATED;
}
void ECDSA_METHOD_set_name(ECDSA_METHOD *ecdsa_method, char *name)
{
ecdsa_method->name = name;
}
void ECDSA_METHOD_free(ECDSA_METHOD *ecdsa_method)
{
if (ecdsa_method->flags & ECDSA_METHOD_FLAG_ALLOCATED)
OPENSSL_free(ecdsa_method);
}