EVP_PKEY_encrypt_init
rv = EVP_PKEY_encrypt_init(pkeyutl_config.ctx);
if (EVP_PKEY_encrypt_init(ktri->pctx) <= 0)
if (EVP_PKEY_encrypt_init(pctx) <= 0)
if (EVP_PKEY_encrypt_init(pctx) <= 0)
int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
if (EVP_PKEY_encrypt_init(pkey_ctx) <= 0)