| 60 | } |
| 61 | |
| 62 | func validateVectors(verifier vectorVerifier, filename string) { |
| 63 | vectors, err := os.Open(filename) |
| 64 | if err != nil { |
| 65 | panic(err) |
| 66 | } |
| 67 | defer vectors.Close() |
| 68 | |
| 69 | var segments []string |
| 70 | var vector *vectorArgs |
| 71 | |
| 72 | scanner := bufio.NewScanner(vectors) |
| 73 | for scanner.Scan() { |
| 74 | segments = strings.Split(scanner.Text(), " = ") |
| 75 | |
| 76 | switch { |
| 77 | case strings.ToUpper(segments[0]) == "COUNT": |
| 78 | if vector != nil { |
| 79 | verifier.validate(vector.count, |
| 80 | vector.offset, |
| 81 | unhexlify(vector.key), |
| 82 | unhexlify(vector.plaintext), |
| 83 | unhexlify(vector.ciphertext)) |
| 84 | } |
| 85 | vector = &vectorArgs{count: segments[1]} |
| 86 | case strings.ToUpper(segments[0]) == "OFFSET": |
| 87 | vector.offset, err = strconv.ParseUint(segments[1], 10, 64) |
| 88 | if err != nil { |
| 89 | panic(err) |
| 90 | } |
| 91 | case strings.ToUpper(segments[0]) == "KEY": |
| 92 | vector.key = segments[1] |
| 93 | case strings.ToUpper(segments[0]) == "PLAINTEXT": |
| 94 | vector.plaintext = segments[1] |
| 95 | case strings.ToUpper(segments[0]) == "CIPHERTEXT": |
| 96 | vector.ciphertext = segments[1] |
| 97 | } |
| 98 | } |
| 99 | if vector != nil { |
| 100 | verifier.validate(vector.count, |
| 101 | vector.offset, |
| 102 | unhexlify(vector.key), |
| 103 | unhexlify(vector.plaintext), |
| 104 | unhexlify(vector.ciphertext)) |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | func main() { |
| 109 | validateVectors(arc4Verifier{}, "vectors/cryptography_vectors/ciphers/ARC4/arc4.txt") |