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Hash: throw exceptions if hash isn't explicitly supported

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This commit is contained in:
terrafrost 2016-05-05 11:33:38 -05:00
parent e47af2bd88
commit e4c4824ddb
2 changed files with 2 additions and 36 deletions
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18
phpseclib/Crypt/Hash.php
View File

@ -166,7 +166,9 @@ class Hash
case 'md2-96': case 'md2-96':
case 'md5-96': case 'md5-96':
case 'sha1-96': case 'sha1-96':
case 'sha224-96':
case 'sha256-96': case 'sha256-96':
case 'sha384-96':
case 'sha512-96': case 'sha512-96':
case 'sha512/224-96': case 'sha512/224-96':
case 'sha512/256-96': case 'sha512/256-96':
@ -195,22 +197,6 @@ class Hash
$this->length = 64; $this->length = 64;
break; break;
default: default:
// see if the hash isn't "officially" supported see if it can
// be "unofficially" supported and calculate the length
// accordingly.
if (in_array($hash, hash_algos())) {
$this->length = strlen(hash($hash, '', true));
break;
}
// if the hash algorithm doens't exist maybe it's a truncated
// hash, e.g. whirlpool-12 or some such.
if (preg_match('#(-\d+)$#', $hash, $matches)) {
$hash = substr($hash, 0, -strlen($matches[1]));
if (in_array($hash, hash_algos())) {
$this->length = abs($matches[1]) >> 3;
break;
}
}
throw new UnsupportedAlgorithmException( throw new UnsupportedAlgorithmException(
"$hash is not a supported algorithm" "$hash is not a supported algorithm"
); );

20
tests/Unit/Crypt/HashTest.php
View File

@ -85,11 +85,6 @@ class Unit_Crypt_HashTest extends PhpseclibTestCase
'The quick brown fox jumps over the lazy dog.', 'The quick brown fox jumps over the lazy dog.',
'91ea1245f20d46ae9a037a989f54f1f790f0a47607eeb8a14d12890cea77a1bbc6c7ed9cf205e67b7f2b8fd4c7dfd3a7a8617e45f3c463d481c7e586c39ac1ed', '91ea1245f20d46ae9a037a989f54f1f790f0a47607eeb8a14d12890cea77a1bbc6c7ed9cf205e67b7f2b8fd4c7dfd3a7a8617e45f3c463d481c7e586c39ac1ed',
), ),
array(
'whirlpool',
'The quick brown fox jumps over the lazy dog.',
'87a7ff096082e3ffeb86db10feb91c5af36c2c71bc426fe310ce662e0338223e217def0eab0b02b80eecf875657802bc5965e48f5c0a05467756f0d3f396faba'
),
// from http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/SHA512_224.pdf // from http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/SHA512_224.pdf
array( array(
'sha512/224', 'sha512/224',
@ -148,13 +143,6 @@ class Unit_Crypt_HashTest extends PhpseclibTestCase
array('md5', '', '', '74e6f7298a9c2d168935f58c001bad88'), array('md5', '', '', '74e6f7298a9c2d168935f58c001bad88'),
array('md5', 'key', 'The quick brown fox jumps over the lazy dog', '80070713463e7749b90c2dc24911e275'), array('md5', 'key', 'The quick brown fox jumps over the lazy dog', '80070713463e7749b90c2dc24911e275'),
array(
'whirlpool',
'abcd',
'The quick brown fox jumps over the lazy dog',
'e71aabb2588d789292fa6fef00b35cc269ec3ea912b1c1cd7127daf95f004a5df5392ee563d322bac7e19d9eab161932fe9c257d63e0d09eca0d91ab4010125e',
),
// from https://tools.ietf.org/rfc/rfc4231.txt // from https://tools.ietf.org/rfc/rfc4231.txt
// test case 1 // test case 1
array( array(
@ -364,12 +352,6 @@ class Unit_Crypt_HashTest extends PhpseclibTestCase
new Hash('abcdefghijklmnopqrst'); new Hash('abcdefghijklmnopqrst');
} }
public function testConstructorArgumentValid()
{
$hash = new Hash('whirlpool');
$this->assertSame($hash->getHash(), 'whirlpool');
}
/** /**
* @expectedException \phpseclib\Exception\UnsupportedAlgorithmException * @expectedException \phpseclib\Exception\UnsupportedAlgorithmException
*/ */
@ -406,8 +388,6 @@ class Unit_Crypt_HashTest extends PhpseclibTestCase
array('sha256', 32), array('sha256', 32),
array('sha384', 48), array('sha384', 48),
array('sha512', 64), array('sha512', 64),
// unknown
array('whirlpool', 64),
); );
} }
} }