git: opencrypto: Update aes_ctr_setkey() to validate key bits to avoid panic

[Aaron LI]

commit 4336ef7ed876ae659374d5c5976d3a0c6020a07a
Author: Aaron LI <aly at aaronly.me>
Date:   Sat Nov 18 09:57:53 2023 +0800

    opencrypto: Update aes_ctr_setkey() to validate key bits to avoid panic
    
    AES rijndaelKeySetupEnc() only accepts key of length 128/192/256 bits
    and it uses a KASSERT() to assert this.  However, aes_ctr_setkey() can
    be given an improper key via ioctl() and thus panic the system.  Fix
    this panic by validating the key in aes_ctr_setkey() before calling
    rijndaelKeySetupEnc().
    
    This partially resolves bug #3311.
    
    Bug: https://bugs.dragonflybsd.org/issues/3311

Summary of changes:
 sys/opencrypto/xform.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/4336ef7ed876ae659374d5c5976d3a0c6020a07a


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