-/* crypto/ec/ec_asn1.c */
/*
* Written by Nils Larsch for the OpenSSL project.
*/
{
size_t len = 0;
ECPARAMETERS *ret = NULL;
- BIGNUM *tmp = NULL;
+ const BIGNUM *tmp;
unsigned char *buffer = NULL;
const EC_POINT *point = NULL;
point_conversion_form_t form;
- if ((tmp = BN_new()) == NULL) {
- ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
if (param == NULL) {
if ((ret = ECPARAMETERS_new()) == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_MALLOC_FAILURE);
form = EC_GROUP_get_point_conversion_form(group);
- len = EC_POINT_point2oct(group, point, form, NULL, len, NULL);
+ len = EC_POINT_point2buf(group, point, form, &buffer, NULL);
if (len == 0) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_EC_LIB);
goto err;
}
- if ((buffer = OPENSSL_malloc(len)) == NULL) {
- ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (!EC_POINT_point2oct(group, point, form, buffer, len, NULL)) {
- ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_EC_LIB);
- goto err;
- }
if (ret->base == NULL && (ret->base = ASN1_OCTET_STRING_new()) == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_MALLOC_FAILURE);
goto err;
}
/* set the order */
- if (!EC_GROUP_get_order(group, tmp, NULL)) {
+ tmp = EC_GROUP_get0_order(group);
+ if (tmp == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_EC_LIB);
goto err;
}
}
/* set the cofactor (optional) */
- if (EC_GROUP_get_cofactor(group, tmp, NULL)) {
+ tmp = EC_GROUP_get0_cofactor(group);
+ if (tmp != NULL) {
ret->cofactor = BN_to_ASN1_INTEGER(tmp, ret->cofactor);
if (ret->cofactor == NULL) {
ECerr(EC_F_EC_ASN1_GROUP2PARAMETERS, ERR_R_ASN1_LIB);
err:
if (!param)
ECPARAMETERS_free(ret);
- BN_free(tmp);
OPENSSL_free(buffer);
return NULL;
}
ret->version = priv_key->version;
if (priv_key->privateKey) {
- if (ret->priv_key == NULL)
- ret->priv_key = BN_secure_new();
- if (ret->priv_key == NULL) {
- ECerr(EC_F_D2I_ECPRIVATEKEY, ERR_R_MALLOC_FAILURE);
+ ASN1_OCTET_STRING *pkey = priv_key->privateKey;
+ if (EC_KEY_oct2priv(ret, ASN1_STRING_data(pkey),
+ ASN1_STRING_length(pkey)) == 0)
goto err;
- }
- ret->priv_key = BN_bin2bn(ASN1_STRING_data(priv_key->privateKey),
- ASN1_STRING_length(priv_key->privateKey),
- ret->priv_key);
- if (ret->priv_key == NULL) {
- ECerr(EC_F_D2I_ECPRIVATEKEY, ERR_R_BN_LIB);
- goto err;
- }
} else {
ECerr(EC_F_D2I_ECPRIVATEKEY, EC_R_MISSING_PRIVATE_KEY);
goto err;
{
int ret = 0, ok = 0;
unsigned char *buffer = NULL;
- size_t buf_len = 0, tmp_len, bn_len;
+ size_t buf_len = 0, tmp_len;
EC_PRIVATEKEY *priv_key = NULL;
- if (a == NULL || a->group == NULL || a->priv_key == NULL ||
+ if (a == NULL || a->group == NULL ||
(!(a->enc_flag & EC_PKEY_NO_PUBKEY) && a->pub_key == NULL)) {
ECerr(EC_F_I2D_ECPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
goto err;
priv_key->version = a->version;
- bn_len = (size_t)BN_num_bytes(a->priv_key);
-
- /* Octetstring may need leading zeros if BN is to short */
-
- buf_len = (EC_GROUP_get_degree(a->group) + 7) / 8;
+ buf_len = EC_KEY_priv2oct(a, NULL, 0);
- if (bn_len > buf_len) {
- ECerr(EC_F_I2D_ECPRIVATEKEY, EC_R_BUFFER_TOO_SMALL);
+ if (buf_len == 0) {
+ ECerr(EC_F_I2D_ECPRIVATEKEY, ERR_R_EC_LIB);
goto err;
}
goto err;
}
- if (!BN_bn2bin(a->priv_key, buffer + buf_len - bn_len)) {
- ECerr(EC_F_I2D_ECPRIVATEKEY, ERR_R_BN_LIB);
+ if (EC_KEY_priv2oct(a, buffer, buf_len) == 0) {
+ ECerr(EC_F_I2D_ECPRIVATEKEY, ERR_R_EC_LIB);
goto err;
}
- if (buf_len - bn_len > 0) {
- memset(buffer, 0, buf_len - bn_len);
- }
-
if (!ASN1_OCTET_STRING_set(priv_key->privateKey, buffer, buf_len)) {
ECerr(EC_F_I2D_ECPRIVATEKEY, ERR_R_ASN1_LIB);
goto err;
*out += buf_len;
return buf_len;
}
+
+ASN1_SEQUENCE(ECDSA_SIG) = {
+ ASN1_SIMPLE(ECDSA_SIG, r, CBIGNUM),
+ ASN1_SIMPLE(ECDSA_SIG, s, CBIGNUM)
+} static_ASN1_SEQUENCE_END(ECDSA_SIG)
+
+DECLARE_ASN1_FUNCTIONS_const(ECDSA_SIG)
+DECLARE_ASN1_ENCODE_FUNCTIONS_const(ECDSA_SIG, ECDSA_SIG)
+IMPLEMENT_ASN1_FUNCTIONS_const(ECDSA_SIG)
+
+void ECDSA_SIG_get0(BIGNUM **pr, BIGNUM **ps, ECDSA_SIG *sig)
+{
+ if (pr != NULL)
+ *pr = sig->r;
+ if (ps != NULL)
+ *ps = sig->s;
+}
+
+int ECDSA_size(const EC_KEY *r)
+{
+ int ret, i;
+ ASN1_INTEGER bs;
+ unsigned char buf[4];
+ const EC_GROUP *group;
+
+ if (r == NULL)
+ return 0;
+ group = EC_KEY_get0_group(r);
+ if (group == NULL)
+ return 0;
+
+ i = EC_GROUP_order_bits(group);
+ if (i == 0)
+ return 0;
+ bs.length = (i + 7) / 8;
+ bs.data = buf;
+ bs.type = V_ASN1_INTEGER;
+ /* If the top bit is set the asn1 encoding is 1 larger. */
+ buf[0] = 0xff;
+
+ i = i2d_ASN1_INTEGER(&bs, NULL);
+ i += i; /* r and s */
+ ret = ASN1_object_size(1, i, V_ASN1_SEQUENCE);
+ return (ret);
+}