Lines Matching refs:cipher
30 bool IsSupportedAuthenticatedMode(const EVP_CIPHER* cipher) {
31 switch (EVP_CIPHER_mode(cipher)) {
39 return EVP_CIPHER_nid(cipher) == NID_chacha20_poly1305;
46 const EVP_CIPHER* cipher = EVP_CIPHER_CTX_cipher(ctx);
47 return IsSupportedAuthenticatedMode(cipher);
54 // Collects and returns information on the given cipher
62 const EVP_CIPHER* cipher;
65 cipher = EVP_get_cipherbyname(*name);
68 cipher = EVP_get_cipherbynid(nid);
71 if (cipher == nullptr)
74 int mode = EVP_CIPHER_mode(cipher);
75 int iv_length = EVP_CIPHER_iv_length(cipher);
76 int key_length = EVP_CIPHER_key_length(cipher);
77 int block_length = EVP_CIPHER_block_size(cipher);
95 // the cipher in question, returning undefined if they are not.
103 if (!EVP_CipherInit_ex(ctx.get(), cipher, nullptr, nullptr, nullptr, 1))
151 // OBJ_nid2sn(EVP_CIPHER_nid(cipher)) is used here instead of
152 // EVP_CIPHER_name(cipher) for compatibility with BoringSSL.
158 OBJ_nid2sn(EVP_CIPHER_nid(cipher)))).IsNothing()) {
165 Int32::New(env->isolate(), EVP_CIPHER_nid(cipher))).IsNothing()) {
229 const SSL_CIPHER* cipher = sk_SSL_CIPHER_value(ciphers, i);
230 arr[i] = OneByteString(env->isolate(), SSL_CIPHER_get_name(cipher));
368 const EVP_CIPHER* cipher,
377 const int mode = EVP_CIPHER_mode(cipher);
382 if (1 != EVP_CipherInit_ex(ctx_.get(), cipher, nullptr,
385 "Failed to initialize cipher");
388 if (IsSupportedAuthenticatedMode(cipher)) {
401 "Failed to initialize cipher");
419 const EVP_CIPHER* const cipher = EVP_get_cipherbyname(cipher_type);
420 if (cipher == nullptr)
426 int key_len = EVP_BytesToKey(cipher,
436 const int mode = EVP_CIPHER_mode(cipher);
447 CommonInit(cipher_type, cipher, key, key_len, iv,
448 EVP_CIPHER_iv_length(cipher), auth_tag_len);
452 CipherBase* cipher;
453 ASSIGN_OR_RETURN_UNWRAP(&cipher, args.Holder());
463 // Don't assign to cipher->auth_tag_len_ directly; the value might not
473 cipher->Init(*cipher_type, key_buf, auth_tag_len);
483 const EVP_CIPHER* const cipher = EVP_get_cipherbyname(cipher_type);
484 if (cipher == nullptr)
487 const int expected_iv_len = EVP_CIPHER_iv_length(cipher);
488 const bool is_authenticated_mode = IsSupportedAuthenticatedMode(cipher);
491 // Throw if no IV was passed and the cipher requires an IV
495 // Throw if an IV was passed which does not match the cipher's fixed IV length
504 if (EVP_CIPHER_nid(cipher) == NID_chacha20_poly1305) {
515 cipher,
524 CipherBase* cipher;
525 ASSIGN_OR_RETURN_UNWRAP(&cipher, args.Holder());
526 Environment* env = cipher->env();
546 // Don't assign to cipher->auth_tag_len_ directly; the value might not
556 cipher->InitIv(*cipher_type, key_buf, iv_buf, auth_tag_len);
652 // Check if this cipher operates in an AEAD mode that we support.
659 CipherBase* cipher;
660 ASSIGN_OR_RETURN_UNWRAP(&cipher, args.Holder());
663 if (cipher->ctx_ ||
664 cipher->kind_ != kCipher ||
665 cipher->auth_tag_len_ == kNoAuthTagLength) {
670 Buffer::Copy(env, cipher->auth_tag_, cipher->auth_tag_len_)
675 CipherBase* cipher;
676 ASSIGN_OR_RETURN_UNWRAP(&cipher, args.Holder());
679 if (!cipher->ctx_ ||
680 !cipher->IsAuthenticatedMode() ||
681 cipher->kind_ != kDecipher ||
682 cipher->auth_tag_state_ != kAuthTagUnknown) {
692 const int mode = EVP_CIPHER_CTX_mode(cipher->ctx_.get());
696 is_valid = (cipher->auth_tag_len_ == kNoAuthTagLength ||
697 cipher->auth_tag_len_ == tag_len) &&
702 CHECK(IsSupportedAuthenticatedMode(cipher->ctx_.get()));
703 CHECK_NE(cipher->auth_tag_len_, kNoAuthTagLength);
704 is_valid = cipher->auth_tag_len_ == tag_len;
712 cipher->auth_tag_len_ = tag_len;
713 cipher->auth_tag_state_ = kAuthTagKnown;
714 CHECK_LE(cipher->auth_tag_len_, sizeof(cipher->auth_tag_));
716 memset(cipher->auth_tag_, 0, sizeof(cipher->auth_tag_));
717 auth_tag.CopyTo(cipher->auth_tag_, cipher->auth_tag_len_);
775 CipherBase* cipher;
776 ASSIGN_OR_RETURN_UNWRAP(&cipher, args.Holder());
786 args.GetReturnValue().Set(cipher->SetAAD(buf, plaintext_len));
850 Decode<CipherBase>(args, [](CipherBase* cipher,
859 UpdateResult r = cipher->Update(data, size, &out);
883 CipherBase* cipher;
884 ASSIGN_OR_RETURN_UNWRAP(&cipher, args.Holder());
886 bool b = cipher->SetAutoPadding(args.Length() < 1 || args[0]->IsTrue());
955 CipherBase* cipher;
956 ASSIGN_OR_RETURN_UNWRAP(&cipher, args.Holder());
957 if (cipher->ctx_ == nullptr)
963 const bool is_auth_mode = cipher->IsAuthenticatedMode();
964 bool r = cipher->Final(&out);