diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cryptography/hazmat/primitives/asymmetric/utils.py | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/cryptography/hazmat/primitives/asymmetric/utils.py b/src/cryptography/hazmat/primitives/asymmetric/utils.py index 5e35b3f6..0140e6c1 100644 --- a/src/cryptography/hazmat/primitives/asymmetric/utils.py +++ b/src/cryptography/hazmat/primitives/asymmetric/utils.py @@ -4,7 +4,7 @@ from __future__ import absolute_import, division, print_function -from pyasn1.codec.der import decoder +from pyasn1.codec.der import decoder, encoder from pyasn1.type import namedtype, univ @@ -20,3 +20,10 @@ def decode_rfc6979_signature(signature): r = int(data[0].getComponentByName('r')) s = int(data[0].getComponentByName('s')) return (r, s) + + +def encode_rfc6979_signature(r, s): + sig = _DSSSigValue() + sig.setComponentByName('r', r) + sig.setComponentByName('s', s) + return encoder.encode(sig) |