void (*xor)(u8 *, const u8 *) = tfm->crt_u.cipher.cit_xor_block;
int bsize = crypto_tfm_alg_blocksize(tfm);
- void (*fn)(void *, u8 *, const u8 *) = desc->crfn;
+ void (*fn)(struct crypto_tfm *, u8 *, const u8 *) = desc->crfn;
u8 *iv = desc->info;
unsigned int done = 0;
+ nbytes -= bsize;
+
do {
xor(iv, src);
- fn(crypto_tfm_ctx(tfm), dst, iv);
+ fn(tfm, dst, iv);
memcpy(iv, dst, bsize);
src += bsize;
dst += bsize;
- } while ((done += bsize) < nbytes);
+ } while ((done += bsize) <= nbytes);
return done;
}
struct crypto_tfm *tfm = desc->tfm;
void (*xor)(u8 *, const u8 *) = tfm->crt_u.cipher.cit_xor_block;
int bsize = crypto_tfm_alg_blocksize(tfm);
+ unsigned long alignmask = crypto_tfm_alg_alignmask(desc->tfm);
- u8 stack[src == dst ? bsize : 0];
- u8 *buf = stack;
+ u8 stack[src == dst ? bsize + alignmask : 0];
+ u8 *buf = (u8 *)ALIGN((unsigned long)stack, alignmask + 1);
u8 **dst_p = src == dst ? &buf : &dst;
- void (*fn)(void *, u8 *, const u8 *) = desc->crfn;
+ void (*fn)(struct crypto_tfm *, u8 *, const u8 *) = desc->crfn;
u8 *iv = desc->info;
unsigned int done = 0;
+ nbytes -= bsize;
+
do {
u8 *tmp_dst = *dst_p;
- fn(crypto_tfm_ctx(tfm), tmp_dst, src);
+ fn(tfm, tmp_dst, src);
xor(tmp_dst, iv);
memcpy(iv, src, bsize);
if (tmp_dst != dst)
src += bsize;
dst += bsize;
- } while ((done += bsize) < nbytes);
+ } while ((done += bsize) <= nbytes);
return done;
}
{
struct crypto_tfm *tfm = desc->tfm;
int bsize = crypto_tfm_alg_blocksize(tfm);
- void (*fn)(void *, u8 *, const u8 *) = desc->crfn;
+ void (*fn)(struct crypto_tfm *, u8 *, const u8 *) = desc->crfn;
unsigned int done = 0;
+ nbytes -= bsize;
+
do {
- fn(crypto_tfm_ctx(tfm), dst, src);
+ fn(tfm, dst, src);
src += bsize;
dst += bsize;
- } while ((done += bsize) < nbytes);
+ } while ((done += bsize) <= nbytes);
return done;
}
tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
return -EINVAL;
} else
- return cia->cia_setkey(crypto_tfm_ctx(tfm), key, keylen,
+ return cia->cia_setkey(tfm, key, keylen,
&tfm->crt_flags);
}
int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags)
{
u32 mode = flags & CRYPTO_TFM_MODE_MASK;
-
tfm->crt_cipher.cit_mode = mode ? mode : CRYPTO_TFM_MODE_ECB;
- if (flags & CRYPTO_TFM_REQ_WEAK_KEY)
- tfm->crt_flags = CRYPTO_TFM_REQ_WEAK_KEY;
-
return 0;
}