mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-11-22 21:45:40 +01:00
5e940c6068
The CCM specification (NIST SP 800-38C) mandates that the formatting of the additional data length l(a) changes when it is greater _or equal_ to 2^16 - 2^8 (>= 0xFF00). Since such lengths are not supported in mbed TLS, the operation should fail in such cases. This commit fixes an off-by-one error which allowed encryption/decryption to be executed when l(a) was equal to 0xFF00, resulting in an incorrect/non-standard length format being used. Fixes #3719. Signed-off-by: Fredrik Strupe <fredrik.strupe@silabs.com>
6 lines
164 B
Plaintext
6 lines
164 B
Plaintext
Bugfix
|
|
* Fix an off-by-one error in the additional data length check for
|
|
CCM, which allowed encryption with a non-standard length field.
|
|
Fixes #3719.
|
|
|