diff options
Diffstat (limited to 'crypto/cast6_generic.c')
| -rw-r--r-- | crypto/cast6_generic.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/crypto/cast6_generic.c b/crypto/cast6_generic.c index a8248f8e2777..c77ff6c8a2b2 100644 --- a/crypto/cast6_generic.c +++ b/crypto/cast6_generic.c @@ -103,17 +103,14 @@ static inline void W(u32 *key, unsigned int i) key[7] ^= F2(key[0], Tr[i % 4][7], Tm[i][7]); } -int __cast6_setkey(struct cast6_ctx *c, const u8 *in_key, - unsigned key_len, u32 *flags) +int __cast6_setkey(struct cast6_ctx *c, const u8 *in_key, unsigned int key_len) { int i; u32 key[8]; __be32 p_key[8]; /* padded key */ - if (key_len % 4 != 0) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; + if (key_len % 4 != 0) return -EINVAL; - } memset(p_key, 0, 32); memcpy(p_key, in_key, key_len); @@ -148,13 +145,12 @@ EXPORT_SYMBOL_GPL(__cast6_setkey); int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) { - return __cast6_setkey(crypto_tfm_ctx(tfm), key, keylen, - &tfm->crt_flags); + return __cast6_setkey(crypto_tfm_ctx(tfm), key, keylen); } EXPORT_SYMBOL_GPL(cast6_setkey); /*forward quad round*/ -static inline void Q(u32 *block, u8 *Kr, u32 *Km) +static inline void Q(u32 *block, const u8 *Kr, const u32 *Km) { u32 I; block[2] ^= F1(block[3], Kr[0], Km[0]); @@ -164,7 +160,7 @@ static inline void Q(u32 *block, u8 *Kr, u32 *Km) } /*reverse quad round*/ -static inline void QBAR(u32 *block, u8 *Kr, u32 *Km) +static inline void QBAR(u32 *block, const u8 *Kr, const u32 *Km) { u32 I; block[3] ^= F1(block[0], Kr[3], Km[3]); @@ -173,13 +169,14 @@ static inline void QBAR(u32 *block, u8 *Kr, u32 *Km) block[2] ^= F1(block[3], Kr[0], Km[0]); } -void __cast6_encrypt(struct cast6_ctx *c, u8 *outbuf, const u8 *inbuf) +void __cast6_encrypt(const void *ctx, u8 *outbuf, const u8 *inbuf) { + const struct cast6_ctx *c = ctx; const __be32 *src = (const __be32 *)inbuf; __be32 *dst = (__be32 *)outbuf; u32 block[4]; - u32 *Km; - u8 *Kr; + const u32 *Km; + const u8 *Kr; block[0] = be32_to_cpu(src[0]); block[1] = be32_to_cpu(src[1]); @@ -211,13 +208,14 @@ static void cast6_encrypt(struct crypto_tfm *tfm, u8 *outbuf, const u8 *inbuf) __cast6_encrypt(crypto_tfm_ctx(tfm), outbuf, inbuf); } -void __cast6_decrypt(struct cast6_ctx *c, u8 *outbuf, const u8 *inbuf) +void __cast6_decrypt(const void *ctx, u8 *outbuf, const u8 *inbuf) { + const struct cast6_ctx *c = ctx; const __be32 *src = (const __be32 *)inbuf; __be32 *dst = (__be32 *)outbuf; u32 block[4]; - u32 *Km; - u8 *Kr; + const u32 *Km; + const u8 *Kr; block[0] = be32_to_cpu(src[0]); block[1] = be32_to_cpu(src[1]); |