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crypto: cast6 - use memcpy_and_pad() in __cast6_setkey()

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Use memcpy_and_pad() instead of separate memcpy() and memset() calls to
simplify __cast6_setkey().

Signed-off-by: Thorsten Blum <blum@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Thorsten Blum 2026-09-21 08:11:21 +02:00 committed by Herbert Xu
parent dfcaf2d961
commit 1dfb15e642
1 changed files with 1 additions and 2 deletions
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3
crypto/cast6_generic.c
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@ -112,8 +112,7 @@ int __cast6_setkey(struct cast6_ctx *c, const u8 *in_key, unsigned int key_len)
if (key_len % 4 != 0)
return -EINVAL;
memset(p_key, 0, 32);
memcpy(p_key, in_key, key_len);
memcpy_and_pad(p_key, sizeof(p_key), in_key, key_len, 0);
key[0] = be32_to_cpu(p_key[0]); /* A */
key[1] = be32_to_cpu(p_key[1]); /* B */