Files
s390-tools/zkey
Ingo Franzki d9eee82ab0 zkey: Support generating verification patterns for HMAC keys
Similar as for AES keys, a verification pattern is calculated from an HMAC
key by MACing an all zero message of 64 bytes. The first 32 bytes of the
result is the verification pattern.

Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
Reviewed-by: Finn Callies <fcallies@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2026-01-19 13:03:19 +01:00
..