DECLARE_ASN1_FUNCTIONS_const(ECDSA_SIG)
DECLARE_ASN1_ENCODE_FUNCTIONS_const(ECDSA_SIG, ECDSA_SIG)
IMPLEMENT_ASN1_FUNCTIONS_const(ECDSA_SIG)
-
-int i2d_ECDSAParameters(ECDSA *a, unsigned char **out)
- {
- if (a == NULL)
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPARAMETERS,
- ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
- return i2d_ECPKParameters(a->group, out);
- }
-
-ECDSA *d2i_ECDSAParameters(ECDSA **a, const unsigned char **in, long len)
- {
- EC_GROUP *group;
- ECDSA *ret;
-
- if (in == NULL || *in == NULL)
- {
- ECDSAerr(ECDSA_F_D2I_ECDSAPARAMETERS,
- ERR_R_PASSED_NULL_PARAMETER);
- return NULL;
- }
-
- group = d2i_ECPKParameters(NULL, in, len);
-
- if (group == NULL)
- {
- ECDSAerr(ECDSA_F_D2I_ECDSAPARAMETERS,
- ERR_R_EC_LIB);
- return NULL;
- }
-
- if (a == NULL || *a == NULL)
- {
- if ((ret = ECDSA_new()) == NULL)
- {
- ECDSAerr(ECDSA_F_D2I_ECDSAPARAMETERS,
- ERR_R_MALLOC_FAILURE);
- return NULL;
- }
- if (a)
- *a = ret;
- }
- else
- ret = *a;
-
- if (ret->group)
- EC_GROUP_clear_free(ret->group);
-
- ret->group = group;
-
- return ret;
- }
-
-ECDSA *d2i_ECDSAPrivateKey(ECDSA **a, const unsigned char **in, long len)
- {
- int ok=0;
- ECDSA *ret=NULL;
- EC_PRIVATEKEY *priv_key=NULL;
-
- if ((priv_key = EC_PRIVATEKEY_new()) == NULL)
- {
- ECDSAerr(ECDSA_F_D2I_ECDSAPRIVATEKEY, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
-
- if ((priv_key = d2i_EC_PRIVATEKEY(&priv_key, in, len)) == NULL)
- {
- ECDSAerr(ECDSA_F_D2I_ECDSAPRIVATEKEY, ERR_R_EC_LIB);
- EC_PRIVATEKEY_free(priv_key);
- return NULL;
- }
-
- if (a == NULL || *a == NULL)
- {
- if ((ret = ECDSA_new()) == NULL)
- {
- ECDSAerr(ECDSA_F_D2I_ECDSAPRIVATEKEY,
- ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (a)
- *a = ret;
- }
- else
- ret = *a;
-
- if (priv_key->parameters)
- {
- if (ret->group)
- EC_GROUP_clear_free(ret->group);
- ret->group = EC_ASN1_pkparameters2group(priv_key->parameters);
- }
-
- if (ret->group == NULL)
- {
- ECDSAerr(ECDSA_F_D2I_ECDSAPRIVATEKEY, ERR_R_EC_LIB);
- goto err;
- }
-
- ret->version = priv_key->version;
-
- if (priv_key->privateKey)
- {
- ret->priv_key = BN_bin2bn(
- M_ASN1_STRING_data(priv_key->privateKey),
- M_ASN1_STRING_length(priv_key->privateKey),
- ret->priv_key);
- if (ret->priv_key == NULL)
- {
- ECDSAerr(ECDSA_F_D2I_ECDSAPRIVATEKEY,
- ERR_R_BN_LIB);
- goto err;
- }
- }
- else
- {
- ECDSAerr(ECDSA_F_D2I_ECDSAPRIVATEKEY,
- ECDSA_R_MISSING_PRIVATE_KEY);
- goto err;
- }
-
- if (priv_key->publicKey)
- {
- if (ret->pub_key)
- EC_POINT_clear_free(ret->pub_key);
- ret->pub_key = EC_POINT_new(ret->group);
- if (ret->pub_key == NULL)
- {
- ECDSAerr(ECDSA_F_D2I_ECDSAPRIVATEKEY, ERR_R_EC_LIB);
- goto err;
- }
- if (!EC_POINT_oct2point(ret->group, ret->pub_key,
- M_ASN1_STRING_data(priv_key->publicKey),
- M_ASN1_STRING_length(priv_key->publicKey), NULL))
- {
- ECDSAerr(ECDSA_F_D2I_ECDSAPRIVATEKEY, ERR_R_EC_LIB);
- goto err;
- }
- }
-
- ok = 1;
-err:
- if (!ok)
- {
- if (ret)
- ECDSA_free(ret);
- ret = NULL;
- }
-
- if (priv_key)
- EC_PRIVATEKEY_free(priv_key);
-
- return(ret);
- }
-
-int i2d_ECDSAPrivateKey(ECDSA *a, unsigned char **out)
- {
- int ret=0, ok=0;
- unsigned char *buffer=NULL;
- size_t buf_len=0, tmp_len;
- EC_PRIVATEKEY *priv_key=NULL;
-
- if (a == NULL || a->group == NULL || a->priv_key == NULL)
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPRIVATEKEY,
- ERR_R_PASSED_NULL_PARAMETER);
- goto err;
- }
-
- if ((priv_key = EC_PRIVATEKEY_new()) == NULL)
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPRIVATEKEY,
- ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- priv_key->version = a->version;
-
- buf_len = (size_t)BN_num_bytes(a->priv_key);
- buffer = OPENSSL_malloc(buf_len);
- if (buffer == NULL)
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPRIVATEKEY,
- ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- if (!BN_bn2bin(a->priv_key, buffer))
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPRIVATEKEY, ERR_R_BN_LIB);
- goto err;
- }
-
- if (!M_ASN1_OCTET_STRING_set(priv_key->privateKey, buffer, buf_len))
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPRIVATEKEY, ERR_R_ASN1_LIB);
- goto err;
- }
-
- if (!(ECDSA_get_enc_flag(a) & ECDSA_PKEY_NO_PARAMETERS))
- {
- if ((priv_key->parameters = EC_ASN1_group2pkparameters(
- a->group, priv_key->parameters)) == NULL)
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPRIVATEKEY, ERR_R_EC_LIB);
- goto err;
- }
- }
-
- if (!(ECDSA_get_enc_flag(a) & ECDSA_PKEY_NO_PUBKEY))
- {
- priv_key->publicKey = M_ASN1_BIT_STRING_new();
- if (priv_key->publicKey == NULL)
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPRIVATEKEY,
- ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- tmp_len = EC_POINT_point2oct(a->group, a->pub_key,
- ECDSA_get_conversion_form(a), NULL, 0, NULL);
-
- if (tmp_len > buf_len)
- buffer = OPENSSL_realloc(buffer, tmp_len);
- if (buffer == NULL)
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPRIVATEKEY,
- ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- buf_len = tmp_len;
-
- if (!EC_POINT_point2oct(a->group, a->pub_key,
- ECDSA_get_conversion_form(a), buffer, buf_len, NULL))
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPRIVATEKEY, ERR_R_EC_LIB);
- goto err;
- }
-
- if (!M_ASN1_BIT_STRING_set(priv_key->publicKey, buffer,
- buf_len))
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPRIVATEKEY, ERR_R_ASN1_LIB);
- goto err;
- }
- }
-
- if ((ret = i2d_EC_PRIVATEKEY(priv_key, out)) == 0)
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPRIVATEKEY, ERR_R_EC_LIB);
- goto err;
- }
- ok=1;
-err:
- if (buffer)
- OPENSSL_free(buffer);
- if (priv_key)
- EC_PRIVATEKEY_free(priv_key);
- return(ok?ret:0);
- }
-
-
-ECDSA *ECDSAPublicKey_set_octet_string(ECDSA **a, const unsigned char **in, long len)
-{
- ECDSA *ret=NULL;
-
- if (a == NULL || (*a) == NULL || (*a)->group == NULL)
- {
- /* sorry, but a EC_GROUP-structur is necessary
- * to set the public key */
- ECDSAerr(ECDSA_F_D2I_ECDSAPRIVATEKEY, ECDSA_R_MISSING_PARAMETERS);
- return 0;
- }
- ret = *a;
- if (ret->pub_key == NULL && (ret->pub_key = EC_POINT_new(ret->group)) == NULL)
- {
- ECDSAerr(ECDSA_F_D2I_ECDSAPRIVATEKEY, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- if (!EC_POINT_oct2point(ret->group, ret->pub_key, *in, len, NULL))
- {
- ECDSAerr(ECDSA_F_D2I_ECDSAPRIVATEKEY, ERR_R_EC_LIB);
- return 0;
- }
- ECDSA_set_conversion_form(ret, (point_conversion_form_t)(*in[0] & ~0x01));
- return ret;
-}
-
-int ECDSAPublicKey_get_octet_string(ECDSA *a, unsigned char **out)
-{
- size_t buf_len=0;
-
- if (a == NULL)
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPUBLICKEY, ECDSA_R_MISSING_PARAMETERS);
- return 0;
- }
- buf_len = EC_POINT_point2oct(a->group, a->pub_key,
- ECDSA_get_conversion_form(a), NULL, 0, NULL);
- if (out == NULL || buf_len == 0)
- /* out == NULL => just return the length of the octet string */
- return buf_len;
- if (*out == NULL)
- if ((*out = OPENSSL_malloc(buf_len)) == NULL)
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPUBLICKEY, ERR_R_MALLOC_FAILURE);
- return 0;
- }
- if (!EC_POINT_point2oct(a->group, a->pub_key, ECDSA_get_conversion_form(a),
- *out, buf_len, NULL))
- {
- ECDSAerr(ECDSA_F_I2D_ECDSAPUBLICKEY, ERR_R_EC_LIB);
- OPENSSL_free(*out);
- *out = NULL;
- return 0;
- }
- return buf_len;
-}
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