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Merge pull request #24 from silkeh/crypto_aead_aes256gcm_test
Add, test and fix CryptoAEADAES256GCM functions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| package cryptoaead | ||
|
|
||
| import ( | ||
| "testing" | ||
| "bytes" | ||
| "github.com/google/gofuzz" | ||
| ) | ||
|
|
||
| var testCount = 100000 | ||
|
|
||
| type Test struct { | ||
| Message []byte | ||
| Ad []byte | ||
| Key [32]byte | ||
| Nonce [12]byte | ||
| Ciphertext []byte | ||
| Mac []byte | ||
| } | ||
|
|
||
| func TestCryptoAEADAES256GCM(t *testing.T) { | ||
| // Skip the test if unsupported on this platform | ||
| if !CryptoAEADAES256GCMIsAvailable() { | ||
| t.Skip("The CPU does not support this implementation of AES256GCM.") | ||
| } | ||
|
|
||
| // Test the key generation | ||
| if len(CryptoAEADAES256GCMKeyGen()) != CryptoAEADAES256GCMKeyBytes() { | ||
| t.Error("Generated key has the wrong length") | ||
| } | ||
|
|
||
| // Test the length of NSecBytes | ||
| if CryptoAEADAES256GCMNSecBytes() != 0 { | ||
| t.Errorf("CryptoAEADAES256GCMNSecBytes is %v but should be %v", CryptoAEADAES256GCMNSecBytes(), 0) | ||
| } | ||
|
|
||
| // Fuzzing | ||
| f := fuzz.New() | ||
|
|
||
| // Run tests | ||
| for i := 0; i < testCount; i++ { | ||
| var c, m, ec, mac []byte | ||
| var err int | ||
| var test Test | ||
|
|
||
| // Fuzz the test struct | ||
| f.Fuzz(&test) | ||
|
|
||
| // Create a key context | ||
| ctx, err := CryptoAEADAES256GCMBeforeNM(test.Key[:]) | ||
| if err != 0 { | ||
| t.Error("Context creation failed for %+v", test) | ||
| } | ||
|
|
||
| // Detached encryption test | ||
| test.Ciphertext, test.Mac, err = CryptoAEADAES256GCMEncryptDetached(test.Message, test.Ad, test.Nonce[:], test.Key[:]) | ||
| if err != 0 { | ||
| t.Errorf("Detached encryption failed for %+v", test) | ||
| } | ||
|
|
||
| // Detached encryption with context | ||
| c, mac, err = CryptoAEADAES256GCMEncryptDetachedAfterNM(test.Message, test.Ad, test.Nonce[:], ctx) | ||
| if err != 0 || !bytes.Equal(c, test.Ciphertext) || !bytes.Equal(mac, test.Mac) { | ||
| t.Errorf("Detached encryption with context failed for %+v", test) | ||
| } | ||
|
|
||
| // Encryption test | ||
| ec, err = CryptoAEADAES256GCMEncrypt(test.Message, test.Ad, test.Nonce[:], test.Key[:]) | ||
| if err != 0 || !bytes.Equal(ec, append(test.Ciphertext, test.Mac...)) { | ||
| t.Errorf("Encryption failed for %+v", test) | ||
| } | ||
|
|
||
| // Encryption with context | ||
| ec, err = CryptoAEADAES256GCMEncryptAfterNM(test.Message, test.Ad, test.Nonce[:], ctx) | ||
| if err != 0 || !bytes.Equal(ec, append(test.Ciphertext, test.Mac...)) { | ||
| t.Errorf("Encryption with context failed for %+v", test) | ||
| } | ||
|
|
||
| // Detached decryption test | ||
| m, err = CryptoAEADAES256GCMDecryptDetached(c, mac, test.Ad, test.Nonce[:], test.Key[:]) | ||
| if err != 0 || !bytes.Equal(m, test.Message) { | ||
| t.Errorf("Detached decryption failed for %+v", test) | ||
| } | ||
|
|
||
| // Detached decryption with context test | ||
| m, err = CryptoAEADAES256GCMDecryptDetachedAfterNM(c, mac, test.Ad, test.Nonce[:], ctx) | ||
| if err != 0 || !bytes.Equal(m, test.Message) { | ||
| t.Errorf("Detached decryption with context failed for %+v", test) | ||
| } | ||
|
|
||
| // Decryption test | ||
| m, err = CryptoAEADAES256GCMDecrypt(ec, test.Ad, test.Nonce[:], test.Key[:]) | ||
| if err != 0 || !bytes.Equal(m, test.Message) { | ||
| t.Errorf("Decryption failed for %+v", test) | ||
| } | ||
|
|
||
| // Decryption with context test | ||
| m, err = CryptoAEADAES256GCMDecryptAfterNM(ec, test.Ad, test.Nonce[:], ctx) | ||
| if err != 0 || !bytes.Equal(m, test.Message) { | ||
| t.Errorf("Decryption with context failed for %+v", test) | ||
| } | ||
| } | ||
| t.Logf("Completed %v tests", testCount) | ||
| } |
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