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Mercurial > core / rust/lib/crypto/src/tests.rs

changeset 698: 96958d3eb5b0
parent: 4f49127c9048
author: Richard Westhaver <ellis@rwest.io>
date: Fri, 04 Oct 2024 22:04:59 -0400
permissions: -rw-r--r--
description: fixes 
     1 use salsa20::{
     2   cipher::{generic_array::GenericArray, NewCipher, StreamCipher},
     3   Salsa20, XSalsa20,
     4 };
     5 const KEY_BYTES: usize = 32;
     6 const IV_BYTES: usize = 8;
     7 const IV_BYTES_XSALSA20: usize = 24;
     8 const IV_XSALSA20: [u8; IV_BYTES_XSALSA20] = *b"24-byte nonce for xsalsa";
     9 const KEY_XSALSA20: [u8; KEY_BYTES] = *b"this is 32-byte key for xsalsa20";
    10 const IV0: [u8; IV_BYTES] = [0; IV_BYTES];
    11 const IV1: [u8; IV_BYTES] = [0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00];
    12 const IVHI: [u8; IV_BYTES] = [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01];
    13 
    14 const KEY0: [u8; KEY_BYTES] = [
    15   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    16   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    17   0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    18 ];
    19 
    20 const KEY1: [u8; KEY_BYTES] = [
    21   0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    22   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    23   0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    24 ];
    25 
    26 const EXPECTED_KEY1_IV0: [u8; 64] = [
    27   0xe3, 0xbe, 0x8f, 0xdd, 0x8b, 0xec, 0xa2, 0xe3, 0xea, 0x8e, 0xf9, 0x47, 0x5b,
    28   0x29, 0xa6, 0xe7, 0x00, 0x39, 0x51, 0xe1, 0x09, 0x7a, 0x5c, 0x38, 0xd2, 0x3b,
    29   0x7a, 0x5f, 0xad, 0x9f, 0x68, 0x44, 0xb2, 0x2c, 0x97, 0x55, 0x9e, 0x27, 0x23,
    30   0xc7, 0xcb, 0xbd, 0x3f, 0xe4, 0xfc, 0x8d, 0x9a, 0x07, 0x44, 0x65, 0x2a, 0x83,
    31   0xe7, 0x2a, 0x9c, 0x46, 0x18, 0x76, 0xaf, 0x4d, 0x7e, 0xf1, 0xa1, 0x17,
    32 ];
    33 
    34 const EXPECTED_KEY0_IV1: [u8; 64] = [
    35   0x2a, 0xba, 0x3d, 0xc4, 0x5b, 0x49, 0x47, 0x00, 0x7b, 0x14, 0xc8, 0x51, 0xcd,
    36   0x69, 0x44, 0x56, 0xb3, 0x03, 0xad, 0x59, 0xa4, 0x65, 0x66, 0x28, 0x03, 0x00,
    37   0x67, 0x05, 0x67, 0x3d, 0x6c, 0x3e, 0x29, 0xf1, 0xd3, 0x51, 0x0d, 0xfc, 0x04,
    38   0x05, 0x46, 0x3c, 0x03, 0x41, 0x4e, 0x0e, 0x07, 0xe3, 0x59, 0xf1, 0xf1, 0x81,
    39   0x6c, 0x68, 0xb2, 0x43, 0x4a, 0x19, 0xd3, 0xee, 0xe0, 0x46, 0x48, 0x73,
    40 ];
    41 
    42 const EXPECTED_KEY0_IVHI: [u8; 64] = [
    43   0xb4, 0x7f, 0x96, 0xaa, 0x96, 0x78, 0x61, 0x35, 0x29, 0x7a, 0x3c, 0x4e, 0xc5,
    44   0x6a, 0x61, 0x3d, 0x0b, 0x80, 0x09, 0x53, 0x24, 0xff, 0x43, 0x23, 0x9d, 0x68,
    45   0x4c, 0x57, 0xff, 0xe4, 0x2e, 0x1c, 0x44, 0xf3, 0xcc, 0x01, 0x16, 0x13, 0xdb,
    46   0x6c, 0xdc, 0x88, 0x09, 0x99, 0xa1, 0xe6, 0x5a, 0xed, 0x12, 0x87, 0xfc, 0xb1,
    47   0x1c, 0x83, 0x9c, 0x37, 0x12, 0x07, 0x65, 0xaf, 0xa7, 0x3e, 0x50, 0x75,
    48 ];
    49 
    50 const EXPECTED_XSALSA20_ZEROS: [u8; 64] = [
    51   0x48, 0x48, 0x29, 0x7f, 0xeb, 0x1f, 0xb5, 0x2f, 0xb6, 0x6d, 0x81, 0x60, 0x9b,
    52   0xd5, 0x47, 0xfa, 0xbc, 0xbe, 0x70, 0x26, 0xed, 0xc8, 0xb5, 0xe5, 0xe4, 0x49,
    53   0xd0, 0x88, 0xbf, 0xa6, 0x9c, 0x08, 0x8f, 0x5d, 0x8d, 0xa1, 0xd7, 0x91, 0x26,
    54   0x7c, 0x2c, 0x19, 0x5a, 0x7f, 0x8c, 0xae, 0x9c, 0x4b, 0x40, 0x50, 0xd0, 0x8c,
    55   0xe6, 0xd3, 0xa1, 0x51, 0xec, 0x26, 0x5f, 0x3a, 0x58, 0xe4, 0x76, 0x48,
    56 ];
    57 
    58 const EXPECTED_XSALSA20_HELLO_WORLD: [u8; 12] = [
    59   0x00, 0x2d, 0x45, 0x13, 0x84, 0x3f, 0xc2, 0x40, 0xc4, 0x01, 0xe5, 0x41,
    60 ];
    61 
    62 #[test]
    63 fn salsa20_key1_iv0() {
    64   let mut cipher =
    65     Salsa20::new(&GenericArray::from(KEY1), &GenericArray::from(IV0));
    66   let mut buf = [0; 64];
    67 
    68   cipher.apply_keystream(&mut buf);
    69 
    70   for i in 0..64 {
    71     assert_eq!(buf[i], EXPECTED_KEY1_IV0[i])
    72   }
    73 }
    74 
    75 #[test]
    76 fn salsa20_key0_iv1() {
    77   let mut cipher =
    78     Salsa20::new(&GenericArray::from(KEY0), &GenericArray::from(IV1));
    79   let mut buf = [0; 64];
    80 
    81   cipher.apply_keystream(&mut buf);
    82 
    83   for i in 0..64 {
    84     assert_eq!(buf[i], EXPECTED_KEY0_IV1[i])
    85   }
    86 }
    87 
    88 #[test]
    89 fn salsa20_key0_ivhi() {
    90   let mut cipher =
    91     Salsa20::new(&GenericArray::from(KEY0), &GenericArray::from(IVHI));
    92   let mut buf = [0; 64];
    93 
    94   cipher.apply_keystream(&mut buf);
    95 
    96   for i in 0..64 {
    97     assert_eq!(buf[i], EXPECTED_KEY0_IVHI[i])
    98   }
    99 }
   100 
   101 #[test]
   102 fn xsalsa20_encrypt_zeros() {
   103   let key = GenericArray::from(KEY_XSALSA20);
   104   let iv = GenericArray::from(IV_XSALSA20);
   105 
   106   let mut cipher = XSalsa20::new(&key, &iv);
   107   let mut buf = [0; 64];
   108   cipher.apply_keystream(&mut buf);
   109 
   110   for i in 0..64 {
   111     assert_eq!(buf[i], EXPECTED_XSALSA20_ZEROS[i]);
   112   }
   113 }
   114 
   115 #[test]
   116 fn xsalsa20_encrypt_hello_world() {
   117   let key = GenericArray::from(KEY_XSALSA20);
   118   let iv = GenericArray::from(IV_XSALSA20);
   119 
   120   let mut cipher = XSalsa20::new(&key, &iv);
   121   let mut buf = *b"Hello world!";
   122   cipher.apply_keystream(&mut buf);
   123 
   124   assert_eq!(buf, EXPECTED_XSALSA20_HELLO_WORLD);
   125 }
   126 
   127 /// ed-25519 test gen_keypair
   128 #[test]
   129 fn gen_keypair() {
   130   use crate::{PUBLIC_KEY_LENGTH, SECRET_KEY_LENGTH};
   131   // use ed25519::signature::Signature;
   132   use ed25519_dalek::*;
   133   use hex::FromHex;
   134   let secret_key: &[u8] =
   135     b"833fe62409237b9d62ec77587520911e9a759cec1d19755b7da901b96dca3d42";
   136   let public_key: &[u8] =
   137     b"ec172b93ad5e563bf4932c70e1245034c35467ef2efd4d64ebf819683467e2bf";
   138   let message: &[u8] = b"616263";
   139   let signature: &[u8] = b"98a70222f0b8121aa9d30f813d683f809e462b469c7ff87639499bb94e6dae4131f85042463c2a355a2003d062adf5aaa10b8c61e636062aaad11c2a26083406";
   140 
   141   let sec_bytes: Vec<u8> = FromHex::from_hex(secret_key).unwrap();
   142   let pub_bytes: Vec<u8> = FromHex::from_hex(public_key).unwrap();
   143   let msg_bytes: Vec<u8> = FromHex::from_hex(message).unwrap();
   144   let sig_bytes: Vec<u8> = FromHex::from_hex(signature).unwrap();
   145 
   146   let secret: SecretKey =
   147     SecretKey::from_bytes(&sec_bytes[..SECRET_KEY_LENGTH]).unwrap();
   148   let public: PublicKey =
   149     PublicKey::from_bytes(&pub_bytes[..PUBLIC_KEY_LENGTH]).unwrap();
   150   let keypair: Keypair = Keypair { secret, public };
   151   let sig1: Signature = Signature::from_bytes(&sig_bytes[..]).unwrap();
   152   let mut prehash_for_signing: Sha512 = Sha512::default();
   153   let mut prehash_for_verifying: Sha512 = Sha512::default();
   154   prehash_for_signing.update(&msg_bytes[..]);
   155   prehash_for_verifying.update(&msg_bytes[..]);
   156 
   157   let sig2: Signature =
   158     keypair.sign_prehashed(prehash_for_signing, None).unwrap();
   159 
   160   assert!(
   161     sig1 == sig2,
   162     "Original signature from test vectors doesn't equal signature produced:\
   163                 \noriginal:\n{:?}\nproduced:\n{:?}",
   164     sig1,
   165     sig2
   166   );
   167   assert!(
   168     keypair
   169       .verify_prehashed(prehash_for_verifying, None, &sig2)
   170       .is_ok(),
   171     "Could not verify ed25519ph signature!"
   172   );
   173 }