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Commit 21536c7

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author
Shubham Chaturvedi
committed
fix: line breaks
1 parent 34a48fc commit 21536c7

6 files changed

Lines changed: 157 additions & 77 deletions

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‎AwsCryptographyPrimitives/runtimes/go/ImplementationFromDafny-go/AESEncryption/externs.go‎

Lines changed: 30 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -14,76 +14,92 @@ var m_AESEncryption struct {
1414
AES_GCM CompanionStruct_Default___
1515
}
1616

17-
func (CompanionStruct_Default___) AESDecryptExtern(algo AwsCryptographyPrimitivesTypes.AES__GCM, key dafny.Sequence, cipherText dafny.Sequence, authTag dafny.Sequence, iv dafny.Sequence, aad dafny.Sequence) Wrappers.Result {
17+
func (CompanionStruct_Default___) AESDecryptExtern(algo AwsCryptographyPrimitivesTypes.AES__GCM, key dafny.Sequence,
18+
cipherText dafny.Sequence, authTag dafny.Sequence, iv dafny.Sequence, aad dafny.Sequence) Wrappers.Result {
19+
1820
keyBytes := dafny.ToByteArray(key)
1921
cipherTextBytes := dafny.ToByteArray(cipherText)
2022
authTagBytes := dafny.ToByteArray(authTag)
2123
ivBytes := dafny.ToByteArray(iv)
2224
aadBytes := dafny.ToByteArray(aad)
2325

2426
if algo.Dtor_keyLength() != int32(len(keyBytes)) {
25-
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(dafny.SeqOfChars([]dafny.Char(fmt.Errorf("algorithm key length %d doesn't match actual key length %d ", algo.Dtor_keyLength(), len(keyBytes)).Error())...)))
27+
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(
28+
dafny.SeqOfChars([]dafny.Char(fmt.Errorf("algorithm key length %d doesn't match actual key length %d ", algo.Dtor_keyLength(), len(keyBytes)).Error())...)))
2629

2730
}
2831

2932
if algo.Dtor_ivLength() != int32(len(ivBytes)) {
30-
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(dafny.SeqOfChars([]dafny.Char(fmt.Errorf("algorithm iv length %d doesn't match actual iv length %d ", algo.Dtor_ivLength(), len(ivBytes)).Error())...)))
33+
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(
34+
dafny.SeqOfChars([]dafny.Char(fmt.Errorf("algorithm iv length %d doesn't match actual iv length %d ", algo.Dtor_ivLength(), len(ivBytes)).Error())...)))
3135
}
3236

3337
if algo.Dtor_tagLength() != int32(len(authTagBytes)) {
34-
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(dafny.SeqOfChars([]dafny.Char(fmt.Errorf("algorithm tag length %d doesn't match actual tag length %d ", algo.Dtor_tagLength(), len(authTagBytes)).Error())...)))
38+
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(
39+
dafny.SeqOfChars([]dafny.Char(fmt.Errorf("algorithm tag length %d doesn't match actual tag length %d ", algo.Dtor_tagLength(), len(authTagBytes)).Error())...)))
3540
}
3641

3742
block, err := aes.NewCipher(keyBytes)
3843
if err != nil {
39-
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(dafny.SeqOfChars([]dafny.Char(err.Error())...)))
44+
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(
45+
dafny.SeqOfChars([]dafny.Char(err.Error())...)))
4046
}
4147

4248
if algo.Is_AES__GCM() {
4349
gcm, err := cipher.NewGCM(block)
4450
if err != nil {
45-
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(dafny.SeqOfChars([]dafny.Char(err.Error())...)))
51+
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(
52+
dafny.SeqOfChars([]dafny.Char(err.Error())...)))
4653
}
4754

4855
plaintext, err := gcm.Open(nil, ivBytes, append(cipherTextBytes, authTagBytes...), aadBytes)
4956
if err != nil {
50-
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(dafny.SeqOfChars([]dafny.Char(err.Error())...)))
57+
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(
58+
dafny.SeqOfChars([]dafny.Char(err.Error())...)))
5159
}
5260
return Wrappers.Companion_Result_.Create_Success_(dafny.SeqOfBytes(plaintext))
5361
}
5462
return Wrappers.Companion_Result_.Create_Failure_(false)
5563
}
5664

57-
func (CompanionStruct_Default___) AESEncryptExtern(algo AwsCryptographyPrimitivesTypes.AES__GCM, iv dafny.Sequence, key dafny.Sequence, msg dafny.Sequence, aad dafny.Sequence) Wrappers.Result {
65+
func (CompanionStruct_Default___) AESEncryptExtern(algo AwsCryptographyPrimitivesTypes.AES__GCM, iv dafny.Sequence,
66+
key dafny.Sequence, msg dafny.Sequence, aad dafny.Sequence) Wrappers.Result {
67+
5868
keyBytes := dafny.ToByteArray(key)
5969
ivBytes := dafny.ToByteArray(iv)
6070
aadBytes := dafny.ToByteArray(aad)
6171

6272
if algo.Dtor_keyLength() != int32(len(keyBytes)) {
63-
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(dafny.SeqOfChars([]dafny.Char(fmt.Errorf("algorithm key length %d doesn't match actual key length %d ", algo.Dtor_keyLength(), len(keyBytes)).Error())...)))
73+
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(
74+
dafny.SeqOfChars([]dafny.Char(fmt.Errorf("algorithm key length %d doesn't match actual key length %d ", algo.Dtor_keyLength(), len(keyBytes)).Error())...)))
6475

6576
}
6677

6778
if algo.Dtor_ivLength() != int32(len(ivBytes)) {
68-
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(dafny.SeqOfChars([]dafny.Char(fmt.Errorf("algorithm iv length %d doesn't match actual iv length %d ", algo.Dtor_ivLength(), len(ivBytes)).Error())...)))
79+
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(
80+
dafny.SeqOfChars([]dafny.Char(fmt.Errorf("algorithm iv length %d doesn't match actual iv length %d ", algo.Dtor_ivLength(), len(ivBytes)).Error())...)))
6981
}
7082

7183
block, err := aes.NewCipher(keyBytes)
7284
if err != nil {
73-
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(dafny.SeqOfChars([]dafny.Char(err.Error())...)))
85+
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(
86+
dafny.SeqOfChars([]dafny.Char(err.Error())...)))
7487
}
7588

7689
if algo.Is_AES__GCM() {
7790
gcm, err := cipher.NewGCM(block)
7891
if err != nil {
79-
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(dafny.SeqOfChars([]dafny.Char(err.Error())...)))
92+
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(
93+
dafny.SeqOfChars([]dafny.Char(err.Error())...)))
8094
}
8195

8296
cipherText := gcm.Seal(nil, ivBytes, dafny.ToByteArray(msg), aadBytes)
8397
if cipherText == nil {
84-
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(dafny.SeqOfChars([]dafny.Char(fmt.Errorf("failed to do AES_GCM Encrypt with the given parameters").Error())...)))
98+
return Wrappers.Companion_Result_.Create_Failure_(AwsCryptographyPrimitivesTypes.Companion_Error_.Create_AwsCryptographicPrimitivesError_(
99+
dafny.SeqOfChars([]dafny.Char(fmt.Errorf("failed to do AES_GCM Encrypt with the given parameters").Error())...)))
85100
}
86-
return Wrappers.Companion_Result_.Create_Success_(AwsCryptographyPrimitivesTypes.Companion_AESEncryptOutput_.Create_AESEncryptOutput_(dafny.SeqOfBytes(cipherText[:len(cipherText)-gcm.Overhead()]), dafny.SeqOfBytes(cipherText[len(cipherText)-gcm.Overhead():])))
101+
return Wrappers.Companion_Result_.Create_Success_(AwsCryptographyPrimitivesTypes.Companion_AESEncryptOutput_.Create_AESEncryptOutput_(
102+
dafny.SeqOfBytes(cipherText[:len(cipherText)-gcm.Overhead()]), dafny.SeqOfBytes(cipherText[len(cipherText)-gcm.Overhead():])))
87103
}
88104
return Wrappers.Companion_Result_.Create_Failure_(false)
89105
}

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