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crypto: serpent - Fix sparse byte order warnings

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This patch fixes the byte order markings in serpent.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Ard Biesheuvel <ardb@kernel.org> # arm64 big-endian
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2021-02-10 18:15:57 +11:00
parent 9ae219b199
commit 4ab6093ba4
1 changed files with 24 additions and 13 deletions
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37
crypto/serpent_generic.c
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@ -272,6 +272,7 @@ int __serpent_setkey(struct serpent_ctx *ctx, const u8 *key,
u32 *k = ctx->expkey;
u8 *k8 = (u8 *)k;
u32 r0, r1, r2, r3, r4;
__le32 *lk;
int i;
/* Copy key, add padding */
@ -283,22 +284,32 @@ int __serpent_setkey(struct serpent_ctx *ctx, const u8 *key,
while (i < SERPENT_MAX_KEY_SIZE)
k8[i++] = 0;
lk = (__le32 *)k;
k[0] = le32_to_cpu(lk[0]);
k[1] = le32_to_cpu(lk[1]);
k[2] = le32_to_cpu(lk[2]);
k[3] = le32_to_cpu(lk[3]);
k[4] = le32_to_cpu(lk[4]);
k[5] = le32_to_cpu(lk[5]);
k[6] = le32_to_cpu(lk[6]);
k[7] = le32_to_cpu(lk[7]);
/* Expand key using polynomial */
r0 = le32_to_cpu(k[3]);
r1 = le32_to_cpu(k[4]);
r2 = le32_to_cpu(k[5]);
r3 = le32_to_cpu(k[6]);
r4 = le32_to_cpu(k[7]);
r0 = k[3];
r1 = k[4];
r2 = k[5];
r3 = k[6];
r4 = k[7];
keyiter(le32_to_cpu(k[0]), r0, r4, r2, 0, 0);
keyiter(le32_to_cpu(k[1]), r1, r0, r3, 1, 1);
keyiter(le32_to_cpu(k[2]), r2, r1, r4, 2, 2);
keyiter(le32_to_cpu(k[3]), r3, r2, r0, 3, 3);
keyiter(le32_to_cpu(k[4]), r4, r3, r1, 4, 4);
keyiter(le32_to_cpu(k[5]), r0, r4, r2, 5, 5);
keyiter(le32_to_cpu(k[6]), r1, r0, r3, 6, 6);
keyiter(le32_to_cpu(k[7]), r2, r1, r4, 7, 7);
keyiter(k[0], r0, r4, r2, 0, 0);
keyiter(k[1], r1, r0, r3, 1, 1);
keyiter(k[2], r2, r1, r4, 2, 2);
keyiter(k[3], r3, r2, r0, 3, 3);
keyiter(k[4], r4, r3, r1, 4, 4);
keyiter(k[5], r0, r4, r2, 5, 5);
keyiter(k[6], r1, r0, r3, 6, 6);
keyiter(k[7], r2, r1, r4, 7, 7);
keyiter(k[0], r3, r2, r0, 8, 8);
keyiter(k[1], r4, r3, r1, 9, 9);