diff options
Diffstat (limited to 'libgo/go/crypto/xtea/xtea_test.go')
-rw-r--r-- | libgo/go/crypto/xtea/xtea_test.go | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/libgo/go/crypto/xtea/xtea_test.go b/libgo/go/crypto/xtea/xtea_test.go deleted file mode 100644 index 217d96a..0000000 --- a/libgo/go/crypto/xtea/xtea_test.go +++ /dev/null @@ -1,246 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package xtea - -import ( - "testing" -) - -// A sample test key for when we just want to initialize a cipher -var testKey = []byte{0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF} - -// Test that the block size for XTEA is correct -func TestBlocksize(t *testing.T) { - if BlockSize != 8 { - t.Errorf("BlockSize constant - expected 8, got %d", BlockSize) - return - } - - c, err := NewCipher(testKey) - if err != nil { - t.Errorf("NewCipher(%d bytes) = %s", len(testKey), err) - return - } - - result := c.BlockSize() - if result != 8 { - t.Errorf("BlockSize function - expected 8, got %d", result) - return - } -} - -// A series of test values to confirm that the Cipher.table array was initialized correctly -var testTable = []uint32{ - 0x00112233, 0x6B1568B8, 0xE28CE030, 0xC5089E2D, 0xC5089E2D, 0x1EFBD3A2, 0xA7845C2A, 0x78EF0917, - 0x78EF0917, 0x172682D0, 0x5B6AC714, 0x822AC955, 0x3DE68511, 0xDC1DFECA, 0x2062430E, 0x3611343F, - 0xF1CCEFFB, 0x900469B4, 0xD448ADF8, 0x2E3BE36D, 0xB6C46BF5, 0x994029F2, 0x994029F2, 0xF3335F67, - 0x6AAAD6DF, 0x4D2694DC, 0x4D2694DC, 0xEB5E0E95, 0x2FA252D9, 0x4551440A, 0x121E10D6, 0xB0558A8F, - 0xE388BDC3, 0x0A48C004, 0xC6047BC0, 0x643BF579, 0xA88039BD, 0x02736F32, 0x8AFBF7BA, 0x5C66A4A7, - 0x5C66A4A7, 0xC76AEB2C, 0x3EE262A4, 0x215E20A1, 0x215E20A1, 0x7B515616, 0x03D9DE9E, 0x1988CFCF, - 0xD5448B8B, 0x737C0544, 0xB7C04988, 0xDE804BC9, 0x9A3C0785, 0x3873813E, 0x7CB7C582, 0xD6AAFAF7, - 0x4E22726F, 0x309E306C, 0x309E306C, 0x8A9165E1, 0x1319EE69, 0xF595AC66, 0xF595AC66, 0x4F88E1DB, -} - -// Test that the cipher context is initialized correctly -func TestCipherInit(t *testing.T) { - c, err := NewCipher(testKey) - if err != nil { - t.Errorf("NewCipher(%d bytes) = %s", len(testKey), err) - return - } - - for i := 0; i < len(c.table); i++ { - if c.table[i] != testTable[i] { - t.Errorf("NewCipher() failed to initialize Cipher.table[%d] correctly. Expected %08X, got %08X", i, testTable[i], c.table[i]) - break - } - } -} - -// Test that invalid key sizes return an error -func TestInvalidKeySize(t *testing.T) { - // Test a long key - key := []byte{ - 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF, - 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF, - } - - _, err := NewCipher(key) - if err == nil { - t.Errorf("Invalid key size %d didn't result in an error.", len(key)) - } - - // Test a short key - key = []byte{0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77} - - _, err = NewCipher(key) - if err == nil { - t.Errorf("Invalid key size %d didn't result in an error.", len(key)) - } -} - -// Test that we can correctly decode some bytes we have encoded -func TestEncodeDecode(t *testing.T) { - original := []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF} - input := original - output := make([]byte, BlockSize) - - c, err := NewCipher(testKey) - if err != nil { - t.Errorf("NewCipher(%d bytes) = %s", len(testKey), err) - return - } - - // Encrypt the input block - c.Encrypt(output, input) - - // Check that the output does not match the input - differs := false - for i := 0; i < len(input); i++ { - if output[i] != input[i] { - differs = true - break - } - } - if differs == false { - t.Error("Cipher.Encrypt: Failed to encrypt the input block.") - return - } - - // Decrypt the block we just encrypted - input = output - output = make([]byte, BlockSize) - c.Decrypt(output, input) - - // Check that the output from decrypt matches our initial input - for i := 0; i < len(input); i++ { - if output[i] != original[i] { - t.Errorf("Decrypted byte %d differed. Expected %02X, got %02X\n", i, original[i], output[i]) - return - } - } -} - -// Test Vectors -type CryptTest struct { - key []byte - plainText []byte - cipherText []byte -} - -var CryptTests = []CryptTest{ - // These were sourced from http://www.freemedialibrary.com/index.php/XTEA_test_vectors - { - []byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f}, - []byte{0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48}, - []byte{0x49, 0x7d, 0xf3, 0xd0, 0x72, 0x61, 0x2c, 0xb5}, - }, - { - []byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f}, - []byte{0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41}, - []byte{0xe7, 0x8f, 0x2d, 0x13, 0x74, 0x43, 0x41, 0xd8}, - }, - { - []byte{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f}, - []byte{0x5a, 0x5b, 0x6e, 0x27, 0x89, 0x48, 0xd7, 0x7f}, - []byte{0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41}, - }, - { - []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - []byte{0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48}, - []byte{0xa0, 0x39, 0x05, 0x89, 0xf8, 0xb8, 0xef, 0xa5}, - }, - { - []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - []byte{0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41}, - []byte{0xed, 0x23, 0x37, 0x5a, 0x82, 0x1a, 0x8c, 0x2d}, - }, - { - []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - []byte{0x70, 0xe1, 0x22, 0x5d, 0x6e, 0x4e, 0x76, 0x55}, - []byte{0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41}, - }, - - // These vectors are from http://wiki.secondlife.com/wiki/XTEA_Strong_Encryption_Implementation#Bouncy_Castle_C.23_API - { - []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - []byte{0xDE, 0xE9, 0xD4, 0xD8, 0xF7, 0x13, 0x1E, 0xD9}, - }, - { - []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - []byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}, - []byte{0x06, 0x5C, 0x1B, 0x89, 0x75, 0xC6, 0xA8, 0x16}, - }, - { - []byte{0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56, 0x78, 0x23, 0x45, 0x67, 0x89, 0x34, 0x56, 0x78, 0x9A}, - []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, - []byte{0x1F, 0xF9, 0xA0, 0x26, 0x1A, 0xC6, 0x42, 0x64}, - }, - { - []byte{0x01, 0x23, 0x45, 0x67, 0x12, 0x34, 0x56, 0x78, 0x23, 0x45, 0x67, 0x89, 0x34, 0x56, 0x78, 0x9A}, - []byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}, - []byte{0x8C, 0x67, 0x15, 0x5B, 0x2E, 0xF9, 0x1E, 0xAD}, - }, -} - -// Test encryption -func TestCipherEncrypt(t *testing.T) { - for i, tt := range CryptTests { - c, err := NewCipher(tt.key) - if err != nil { - t.Errorf("NewCipher(%d bytes), vector %d = %s", len(tt.key), i, err) - continue - } - - out := make([]byte, len(tt.plainText)) - c.Encrypt(out, tt.plainText) - - for j := 0; j < len(out); j++ { - if out[j] != tt.cipherText[j] { - t.Errorf("Cipher.Encrypt %d: out[%d] = %02X, expected %02X", i, j, out[j], tt.cipherText[j]) - break - } - } - } -} - -// Test decryption -func TestCipherDecrypt(t *testing.T) { - for i, tt := range CryptTests { - c, err := NewCipher(tt.key) - if err != nil { - t.Errorf("NewCipher(%d bytes), vector %d = %s", len(tt.key), i, err) - continue - } - - out := make([]byte, len(tt.cipherText)) - c.Decrypt(out, tt.cipherText) - - for j := 0; j < len(out); j++ { - if out[j] != tt.plainText[j] { - t.Errorf("Cipher.Decrypt %d: out[%d] = %02X, expected %02X", i, j, out[j], tt.plainText[j]) - break - } - } - } -} - -// Test resetting the cipher context -func TestReset(t *testing.T) { - c, err := NewCipher(testKey) - if err != nil { - t.Errorf("NewCipher(%d bytes) = %s", len(testKey), err) - return - } - - c.Reset() - for i := 0; i < len(c.table); i++ { - if c.table[i] != 0 { - t.Errorf("Cipher.Reset: Failed to clear Cipher.table[%d]. expected 0, got %08X", i, c.table[i]) - return - } - } -} |