diff --git a/src/crypto/crypto_cipher.cc b/src/crypto/crypto_cipher.cc index d6c6f0c4375aad..05acefb60113c1 100644 --- a/src/crypto/crypto_cipher.cc +++ b/src/crypto/crypto_cipher.cc @@ -24,21 +24,20 @@ using v8::Uint32; using v8::Value; namespace crypto { -#ifdef OPENSSL_NO_OCB -# define IS_OCB_MODE(mode) false -#else -# define IS_OCB_MODE(mode) ((mode) == EVP_CIPH_OCB_MODE) -#endif - namespace { bool IsSupportedAuthenticatedMode(const EVP_CIPHER* cipher) { - const int mode = EVP_CIPHER_mode(cipher); - // Check `chacha20-poly1305` separately, it is also an AEAD cipher, - // but its mode is 0 which doesn't indicate - return EVP_CIPHER_nid(cipher) == NID_chacha20_poly1305 || - mode == EVP_CIPH_CCM_MODE || - mode == EVP_CIPH_GCM_MODE || - IS_OCB_MODE(mode); + switch (EVP_CIPHER_mode(cipher)) { + case EVP_CIPH_CCM_MODE: + case EVP_CIPH_GCM_MODE: +#ifndef OPENSSL_NO_OCB + case EVP_CIPH_OCB_MODE: +#endif + return true; + case EVP_CIPH_STREAM_CIPHER: + return EVP_CIPHER_nid(cipher) == NID_chacha20_poly1305; + default: + return false; + } } bool IsSupportedAuthenticatedMode(const EVP_CIPHER_CTX* ctx) {