1 files changed, 65 insertions, 0 deletions
diff --git a/crypto/ecdsa/ecs_lib.c b/crypto/ecdsa/ecs_lib.c
index 81082c9727..d559c9e1cb 100644
--- a/crypto/ecdsa/ecs_lib.c
+++ b/crypto/ecdsa/ecs_lib.c
@@ -264,3 +264,68 @@ 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);
+	}
+
+