static int pkey_ec_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen)
{
int ret;
EC_PKEY_CTX *dctx = ctx->data;
EC_KEY *ec_key = ctx->pkey->pkey.ec;
ECIES_PARAMS *params = NULL;
if (dctx->enc_type == NID_sm2encrypt) {
ret = SM2_encrypt_with_recommended(out, outlen, in, inlen, ec_key);
} else if (dctx->enc_type == NID_ecies_recommendedParameters) {
ret = ECIES_encrypt_with_recommended(out, outlen, in, inlen, ec_key);
}
switch (dctx->enc_type) {
case NID_sm2encrypt:
ret = SM2_encrypt_with_recommended(out, outlen, in, inlen, ec_key);
break;
case NID_ecies_recommendedParameters:
ret = ECIES_encrypt_with_recommended(out, outlen, in, inlen, ec_key);
break;
case NID_ecies_specifiedParameters:
//we need to get ECIES_PARAMS from context
ret = ECIES_encrypt(params, out, outlen, in, inlen, ec_key);
break;
default:
ret = 0;
}
return ret;
}
static int pkey_ec_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen)
{
EC_PKEY_CTX *dctx = ctx->data;
EC_KEY *ec_key = ctx->pkey->pkey.ec;
switch (dctx->ec_scheme) {
case NID_sm_scheme:
if (!SM2_encrypt(dctx->ec_encrypt_param, in, inlen, out, outlen, ec_key)) {
ECerr(EC_F_PKEY_EC_ENCRYPT, EC_R_SM2_ENCRYPT_FAILED);
return 0;
}
break;
case NID_secg_scheme:
if (!ECIES_encrypt(dctx->ec_encrypt_param, in, inlen, out, outlen, ec_key)) {
ECerr(EC_F_PKEY_EC_ENCRYPT, EC_R_ECIES_ENCRYPT_FAILED);
return 0;
}
break;
default:
ECerr(EC_F_PKEY_EC_ENCRYPT, EC_R_INVALID_ENC_TYPE);
return 0;
}
return 1;
}
static int pkey_ec_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen)
{
EC_KEY *ec_key = ctx->pkey->pkey.ec;
ECIES_PARAMS *param = ECIES_get_parameters(ec_key);
fprintf(stderr, "%s %s %d\n", __FUNCTION__, __FILE__, __LINE__);
return ECIES_encrypt(out, outlen, param, in, inlen, ec_key);
}
