47 lines
1.7 KiB
Go
47 lines
1.7 KiB
Go
//go:build boringcrypto
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// +build boringcrypto
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package noiseutil
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import (
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"crypto/boring"
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"encoding/hex"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestEncryptLockNeeded(t *testing.T) {
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assert.True(t, EncryptLockNeeded)
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}
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// Ensure NewGCMTLS validates the nonce is non-repeating
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func TestNewGCMTLS(t *testing.T) {
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assert.True(t, boring.Enabled())
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// Test Case 16 from GCM Spec:
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// - (now dead link): http://csrc.nist.gov/groups/ST/toolkit/BCM/documents/proposedmodes/gcm/gcm-spec.pdf
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// - as listed in boringssl tests: https://github.com/google/boringssl/blob/fips-20220613/crypto/cipher_extra/test/cipher_tests.txt#L412-L418
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key, _ := hex.DecodeString("feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308")
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iv, _ := hex.DecodeString("cafebabefacedbaddecaf888")
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plaintext, _ := hex.DecodeString("d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39")
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aad, _ := hex.DecodeString("feedfacedeadbeeffeedfacedeadbeefabaddad2")
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expected, _ := hex.DecodeString("522dc1f099567d07f47f37a32a84427d643a8cdcbfe5c0c97598a2bd2555d1aa8cb08e48590dbb3da7b08b1056828838c5f61e6393ba7a0abcc9f662")
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expectedTag, _ := hex.DecodeString("76fc6ece0f4e1768cddf8853bb2d551b")
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expected = append(expected, expectedTag...)
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var keyArray [32]byte
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copy(keyArray[:], key)
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c := CipherAESGCM.Cipher(keyArray)
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aead := c.(aeadCipher).AEAD
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dst := aead.Seal([]byte{}, iv, plaintext, aad)
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assert.Equal(t, expected, dst)
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// We expect this to fail since we are re-encrypting with a repeat IV
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assert.PanicsWithError(t, "boringcrypto: EVP_AEAD_CTX_seal failed", func() {
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dst = aead.Seal([]byte{}, iv, plaintext, aad)
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})
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}
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