Differences From Artifact [95a7f2dfcf]:
- File LegacyPasswordGenerator.m — part of check-in [a703cf8d62] at 2021-03-14 00:17:32 on branch trunk — Update copyright (user: js, size: 3724) [annotate] [blame] [check-ins using]
To Artifact [3c0f69dc95]:
- File
LegacyPasswordGenerator.m
— part of check-in
[007bd9985e]
at
2021-03-21 11:03:01
on branch trunk
— Allow swappable memory
Most OSes and/or ulimits do not allow allocating such large amounts of
unswappable memory. (user: js, size: 3721) [annotate] [blame] [check-ins using]
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64 65 66 67 68 69 70 | [siteHash updateWithBuffer: _site.UTF8String length: _site.UTF8StringLength]; [_output release]; _output = nil; _output = [[OFSecureData alloc] initWithCount: _length + 1 | | | | | 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 |
[siteHash updateWithBuffer: _site.UTF8String
length: _site.UTF8StringLength];
[_output release];
_output = nil;
_output = [[OFSecureData alloc] initWithCount: _length + 1
allowsSwappableMemory: true];
passphraseLength = combinedPassphraseLength = _passphrase.count - 1;
if (_keyFile != nil) {
if (SIZE_MAX - combinedPassphraseLength < _keyFile.count)
@throw [OFOutOfRangeException exception];
combinedPassphraseLength += _keyFile.count;
}
combinedPassphrase = [OFSecureData
dataWithCount: combinedPassphraseLength
allowsSwappableMemory: true];
combinedPassphraseItems = combinedPassphrase.mutableItems;
memcpy(combinedPassphraseItems, _passphrase.items, passphraseLength);
if (_keyFile != nil)
memcpy(combinedPassphraseItems + passphraseLength,
_keyFile.items, _keyFile.count);
outputItems = _output.mutableItems;
of_scrypt((of_scrypt_parameters_t){
.blockSize = 8,
.costFactor = 524288,
.parallelization = 2,
.salt = siteHash.digest,
.saltLength = [siteHash.class digestSize],
.password = combinedPassphraseItems,
.passwordLength = combinedPassphraseLength,
.key = outputItems,
.keyLength = _length,
.allowsSwappableMemory = true
});
/*
* This has a bias, however, this is what scrypt-genpass does and the
* legacy mode wants to be compatible to scrypt-genpass.
*/
outputItems[0] = "abcdefghijklmnopqrstuvwxyz"[outputItems[0] % 26];
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