From 9d853c3757ef74ded5ae564d68370f22208fb88b Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Fri, 15 Jul 2005 07:41:31 -0700
Subject: [CRYPTO]: Fix zero-extension bug on 64-bit architectures.
Noticed by Ken-ichirou MATSUZAWA.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
crypto/cipher.c | 6 +++---
crypto/internal.h | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/crypto/cipher.c b/crypto/cipher.c
index 1c92c6bb13..8da644364c 100644
--- a/crypto/cipher.c
+++ b/crypto/cipher.c
@@ -41,7 +41,7 @@ static unsigned int crypt_slow(const struct cipher_desc *desc,
struct scatter_walk *in,
struct scatter_walk *out, unsigned int bsize)
{
- unsigned int alignmask = crypto_tfm_alg_alignmask(desc->tfm);
+ unsigned long alignmask = crypto_tfm_alg_alignmask(desc->tfm);
u8 buffer[bsize * 2 + alignmask];
u8 *src = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
u8 *dst = src + bsize;
@@ -160,7 +160,7 @@ static int crypt_iv_unaligned(struct cipher_desc *desc,
unsigned int nbytes)
{
struct crypto_tfm *tfm = desc->tfm;
- unsigned int alignmask = crypto_tfm_alg_alignmask(tfm);
+ unsigned long alignmask = crypto_tfm_alg_alignmask(tfm);
u8 *iv = desc->info;
if (unlikely(((unsigned long)iv & alignmask))) {
@@ -424,7 +424,7 @@ int crypto_init_cipher_ops(struct crypto_tfm *tfm)
}
if (ops->cit_mode == CRYPTO_TFM_MODE_CBC) {
- unsigned int align;
+ unsigned long align;
unsigned long addr;
switch (crypto_tfm_alg_blocksize(tfm)) {
diff --git a/crypto/internal.h b/crypto/internal.h
index 68612874b5..37515beafc 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -75,7 +75,7 @@ static inline unsigned int crypto_cipher_ctxsize(struct crypto_alg *alg,
switch (flags & CRYPTO_TFM_MODE_MASK) {
case CRYPTO_TFM_MODE_CBC:
- len = ALIGN(len, alg->cra_alignmask + 1);
+ len = ALIGN(len, (unsigned long)alg->cra_alignmask + 1);
len += alg->cra_blocksize;
break;
}
--
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