diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/hashlib.py | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/Lib/hashlib.py b/Lib/hashlib.py index e24d5a1..a39cb57 100644 --- a/Lib/hashlib.py +++ b/Lib/hashlib.py @@ -10,8 +10,8 @@ new(name, data=b'') - returns a new hash object implementing the given hash function; initializing the hash using the given binary data. -Named constructor functions are also available, these are much faster -than using new(): +Named constructor functions are also available, these are faster +than using new(name): md5(), sha1(), sha224(), sha256(), sha384(), and sha512() @@ -22,14 +22,13 @@ Choose your hash function wisely. Some have known collision weaknesses. sha384 and sha512 will be slow on 32 bit platforms. Hash objects have these methods: - - update(arg): Update the hash object with the string arg. Repeated calls + - update(arg): Update the hash object with the bytes in arg. Repeated calls are equivalent to a single call with the concatenation of all the arguments. - - digest(): Return the digest of the strings passed to the update() method - so far. This may contain non-ASCII characters, including - NUL bytes. - - hexdigest(): Like digest() except the digest is returned as a string of - double length, containing only hexadecimal digits. + - digest(): Return the digest of the bytes passed to the update() method + so far. + - hexdigest(): Like digest() except the digest is returned as a unicode + object of double length, containing only hexadecimal digits. - copy(): Return a copy (clone) of the hash object. This can be used to efficiently compute the digests of strings that share a common initial substring. @@ -54,11 +53,11 @@ More condensed: def __get_builtin_constructor(name): if name in ('SHA1', 'sha1'): - import _sha - return _sha.new + import _sha1 + return _sha1.sha1 elif name in ('MD5', 'md5'): import _md5 - return _md5.new + return _md5.md5 elif name in ('SHA256', 'sha256', 'SHA224', 'sha224'): import _sha256 bs = name[3:] @@ -78,7 +77,7 @@ def __get_builtin_constructor(name): def __py_new(name, data=b''): - """new(name, data='') - Return a new hashing object using the named algorithm; + """new(name, data=b'') - Return a new hashing object using the named algorithm; optionally initialized with data (which must be bytes). """ return __get_builtin_constructor(name)(data) |