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| author | Paul Kehrer <paul.l.kehrer@gmail.com> | 2018-11-12 22:47:57 -0500 |
|---|---|---|
| committer | Alex Gaynor <alex.gaynor@gmail.com> | 2018-11-12 22:47:56 -0500 |
| commit | d3b1804f6ce6f1a2b517a562246447d41ed0ffae (patch) | |
| tree | e695b549ec4832ad65d98f972cf22104f420470f /src | |
| parent | d67fa8251f71f7cf5e9709f1e6be27ee7fbf028a (diff) | |
| download | cryptography-d3b1804f6ce6f1a2b517a562246447d41ed0ffae.tar.gz cryptography-d3b1804f6ce6f1a2b517a562246447d41ed0ffae.tar.bz2 cryptography-d3b1804f6ce6f1a2b517a562246447d41ed0ffae.zip | |
error if the key length for x25519 isn't 32 bytes (#4584)
* error if the key length for x25519 isn't 32 bytes
* also test 33
Diffstat (limited to 'src')
| -rw-r--r-- | src/cryptography/hazmat/primitives/asymmetric/x25519.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/cryptography/hazmat/primitives/asymmetric/x25519.py b/src/cryptography/hazmat/primitives/asymmetric/x25519.py index e0329f9d..f4bdf3db 100644 --- a/src/cryptography/hazmat/primitives/asymmetric/x25519.py +++ b/src/cryptography/hazmat/primitives/asymmetric/x25519.py @@ -21,6 +21,10 @@ class X25519PublicKey(object): "X25519 is not supported by this version of OpenSSL.", _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM ) + + if len(data) != 32: + raise ValueError("An X25519 public key is 32 bytes long") + return backend.x25519_load_public_bytes(data) @abc.abstractmethod |