diff options
| author | sww <sww@users.noreply.github.com> | 2017-09-14 06:24:36 (GMT) |
|---|---|---|
| committer | Mariatta <Mariatta@users.noreply.github.com> | 2017-09-14 06:24:36 (GMT) |
| commit | 312ffead1eb272535e021e248b5d74ab04b2e72e (patch) | |
| tree | aa426347465b2ccaac22d3e0d5f19ffe271337d4 /Doc | |
| parent | c3e97d9d984130d1c2aceedc4dfcd603b3162688 (diff) | |
| download | cpython-312ffead1eb272535e021e248b5d74ab04b2e72e.zip cpython-312ffead1eb272535e021e248b5d74ab04b2e72e.tar.gz cpython-312ffead1eb272535e021e248b5d74ab04b2e72e.tar.bz2 | |
Improve code examples in hashlib cookie signing (GH-3562)
The `blake2b` function does not take the `data` keyword argument.
The hex digest returned by sign was a string, whereas compare_digest expects bytes-like objects.
Typo fix: compare_digesty -> compare_digest
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/hashlib.rst | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Doc/library/hashlib.rst b/Doc/library/hashlib.rst index 9d56356..725dce6 100644 --- a/Doc/library/hashlib.rst +++ b/Doc/library/hashlib.rst @@ -506,8 +506,9 @@ to users and later verify them to make sure they weren't tampered with:: >>> AUTH_SIZE = 16 >>> >>> def sign(cookie): - ... h = blake2b(data=cookie, digest_size=AUTH_SIZE, key=SECRET_KEY) - ... return h.hexdigest() + ... h = blake2b(digest_size=AUTH_SIZE, key=SECRET_KEY) + ... h.update(cookie) + ... return h.hexdigest().encode('utf-8') >>> >>> cookie = b'user:vatrogasac' >>> sig = sign(cookie) @@ -517,7 +518,7 @@ to users and later verify them to make sure they weren't tampered with:: True >>> compare_digest(b'user:policajac', sig) False - >>> compare_digesty(cookie, '0102030405060708090a0b0c0d0e0f00') + >>> compare_digest(cookie, b'0102030405060708090a0b0c0d0e0f00') False Even though there's a native keyed hashing mode, BLAKE2 can, of course, be used |