diff options
| -rw-r--r-- | crypto/cast5_generic.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/crypto/cast5_generic.c b/crypto/cast5_generic.c index 4095085d4e51..0257c14cefc2 100644 --- a/crypto/cast5_generic.c +++ b/crypto/cast5_generic.c @@ -13,7 +13,7 @@ */ -#include <asm/byteorder.h> +#include <asm/unaligned.h> #include <linux/init.h> #include <linux/crypto.h> #include <linux/module.h> @@ -302,8 +302,6 @@ static const u32 sb8[256] = { void __cast5_encrypt(struct cast5_ctx *c, u8 *outbuf, const u8 *inbuf) { - const __be32 *src = (const __be32 *)inbuf; - __be32 *dst = (__be32 *)outbuf; u32 l, r, t; u32 I; /* used by the Fx macros */ u32 *Km; @@ -315,8 +313,8 @@ void __cast5_encrypt(struct cast5_ctx *c, u8 *outbuf, const u8 *inbuf) /* (L0,R0) <-- (m1...m64). (Split the plaintext into left and * right 32-bit halves L0 = m1...m32 and R0 = m33...m64.) */ - l = be32_to_cpu(src[0]); - r = be32_to_cpu(src[1]); + l = get_unaligned_be32(inbuf); + r = get_unaligned_be32(inbuf + 4); /* (16 rounds) for i from 1 to 16, compute Li and Ri as follows: * Li = Ri-1; @@ -347,8 +345,8 @@ void __cast5_encrypt(struct cast5_ctx *c, u8 *outbuf, const u8 *inbuf) /* c1...c64 <-- (R16,L16). (Exchange final blocks L16, R16 and * concatenate to form the ciphertext.) */ - dst[0] = cpu_to_be32(r); - dst[1] = cpu_to_be32(l); + put_unaligned_be32(r, outbuf); + put_unaligned_be32(l, outbuf + 4); } EXPORT_SYMBOL_GPL(__cast5_encrypt); @@ -359,8 +357,6 @@ static void cast5_encrypt(struct crypto_tfm *tfm, u8 *outbuf, const u8 *inbuf) void __cast5_decrypt(struct cast5_ctx *c, u8 *outbuf, const u8 *inbuf) { - const __be32 *src = (const __be32 *)inbuf; - __be32 *dst = (__be32 *)outbuf; u32 l, r, t; u32 I; u32 *Km; @@ -369,8 +365,8 @@ void __cast5_decrypt(struct cast5_ctx *c, u8 *outbuf, const u8 *inbuf) Km = c->Km; Kr = c->Kr; - l = be32_to_cpu(src[0]); - r = be32_to_cpu(src[1]); + l = get_unaligned_be32(inbuf); + r = get_unaligned_be32(inbuf + 4); if (!(c->rr)) { t = l; l = r; r = t ^ F1(r, Km[15], Kr[15]); @@ -391,8 +387,8 @@ void __cast5_decrypt(struct cast5_ctx *c, u8 *outbuf, const u8 *inbuf) t = l; l = r; r = t ^ F2(r, Km[1], Kr[1]); t = l; l = r; r = t ^ F1(r, Km[0], Kr[0]); - dst[0] = cpu_to_be32(r); - dst[1] = cpu_to_be32(l); + put_unaligned_be32(r, outbuf); + put_unaligned_be32(l, outbuf + 4); } EXPORT_SYMBOL_GPL(__cast5_decrypt); @@ -513,7 +509,6 @@ static struct crypto_alg alg = { .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = CAST5_BLOCK_SIZE, .cra_ctxsize = sizeof(struct cast5_ctx), - .cra_alignmask = 3, .cra_module = THIS_MODULE, .cra_u = { .cipher = { |