EVP_CIPHER_mode
if (!kekcipher || EVP_CIPHER_mode(kekcipher) != EVP_CIPH_WRAP_MODE)
if (inl == 0 && EVP_CIPHER_mode(ctx->cipher) != EVP_CIPH_CCM_MODE)
if (inl == 0 && EVP_CIPHER_mode(ctx->cipher) != EVP_CIPH_CCM_MODE)
if (EVP_CIPHER_mode(*enc) == EVP_CIPH_GCM_MODE)