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crypto: warn on invalid authentication tag length #17566

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tniessen wants to merge 6 commits into from
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crypto: warn on invalid authentication tag length #17566

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c5d0372
test: use valid authentication tag length
tniessen Dec 9, 2017
fc6c652
crypto: warn on invalid authentication tag length
tniessen Dec 9, 2017
54d49c1
[squash] remove GCM check
tniessen Dec 10, 2017
bbf356e
[squash] fix FIPS failure
tniessen Dec 10, 2017
0b5c90f
[squash] fix FIPS (again)
tniessen Dec 10, 2017
e694393
[squash] add dot
tniessen Dec 11, 2017
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[squash] add dot
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@tniessen
tniessen committed Dec 11, 2017
commit e69439320968faba58839f4bab5de2e51bf11638
2 changes: 1 addition & 1 deletion src/node_crypto.cc
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Expand Up @@ -3767,7 +3767,7 @@ void CipherBase::SetAuthTag(const FunctionCallbackInfo<Value>& args) {
return args.GetReturnValue().Set(false);
}

// Restrict GCM tag lengths according to NIST 800-38d, page 9
// Restrict GCM tag lengths according to NIST 800-38d, page 9.
unsigned int tag_len = Buffer::Length(args[0]);
if (tag_len > 16 || (tag_len < 12 && tag_len != 8 && tag_len != 4)) {
ProcessEmitWarning(cipher->env(),
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