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zkey: Fix display of clear key size for CCA-AESCIPHER keys

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Fixes: ddde3f354f ("zkey: Introduce the CCA-AESCIPHER key type")
Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Ingo Franzki
2020-02-12 13:48:54 +01:00
committed by Jan Höppner
parent 304c3d8086
commit 49cbaba302
1 changed files with 2 additions and 2 deletions
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4
zkey/pkey.c
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@@ -1649,9 +1649,9 @@ int get_key_bit_size(const u8 *key, size_t key_size, size_t *bitsize)
*bitsize = cipherkey->pl - 384;
else
*bitsize = 0; /* Unknown */
if (key_size > cipherkey->length) {
if (key_size == 2 * AESCIPHER_KEY_SIZE) {
cipherkey = (struct aescipherkeytoken *)(key +
cipherkey->length);
AESCIPHER_KEY_SIZE);
if (cipherkey->pfv == 0x00) /* V0 payload */
*bitsize += cipherkey->pl - 384;
}