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| author | Alex Gaynor <alex.gaynor@gmail.com> | 2019-07-28 22:58:04 -0400 |
|---|---|---|
| committer | Paul Kehrer <paul.l.kehrer@gmail.com> | 2019-07-28 21:58:04 -0500 |
| commit | 9cd41ac714d9bff819ece6d8cdcde064d403c671 (patch) | |
| tree | 4ed2502ced1db85417fbf6fe214f59a1525893ff /src/cryptography/hazmat/primitives/asymmetric | |
| parent | 2c83570f6310cb36553af274eb41dd8e2b96b58e (diff) | |
| download | cryptography-9cd41ac714d9bff819ece6d8cdcde064d403c671.tar.gz cryptography-9cd41ac714d9bff819ece6d8cdcde064d403c671.tar.bz2 cryptography-9cd41ac714d9bff819ece6d8cdcde064d403c671.zip | |
Make DER reader into a context manager (#4957)
* Make DER reader into a context manager
* Added another test case
* flake8
Diffstat (limited to 'src/cryptography/hazmat/primitives/asymmetric')
| -rw-r--r-- | src/cryptography/hazmat/primitives/asymmetric/utils.py | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/cryptography/hazmat/primitives/asymmetric/utils.py b/src/cryptography/hazmat/primitives/asymmetric/utils.py index 43d5b9bf..14d2abee 100644 --- a/src/cryptography/hazmat/primitives/asymmetric/utils.py +++ b/src/cryptography/hazmat/primitives/asymmetric/utils.py @@ -12,11 +12,10 @@ from cryptography.hazmat.primitives import hashes def decode_dss_signature(signature): - seq = DERReader(signature).read_single_element(SEQUENCE) - r = seq.read_element(INTEGER).as_integer() - s = seq.read_element(INTEGER).as_integer() - seq.check_empty() - return r, s + with DERReader(signature).read_single_element(SEQUENCE) as seq: + r = seq.read_element(INTEGER).as_integer() + s = seq.read_element(INTEGER).as_integer() + return r, s def encode_dss_signature(r, s): |