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[CRYPTO] all: Pass tfm instead of ctx to algorithms

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Up until now algorithms have been happy to get a context pointer since
they know everything that's in the tfm already (e.g., alignment, block
size).

However, once we have parameterised algorithms, such information will
be specific to each tfm.  So the algorithm API needs to be changed to
pass the tfm structure instead of the context pointer.

This patch is basically a text substitution.  The only tricky bit is
the assembly routines that need to get the context pointer offset
through asm-offsets.h.

Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Herbert Xu 2006-05-16 22:09:29 +10:00
commit 6c2bb98bc3
37 changed files with 349 additions and 331 deletions
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9
crypto/arc4.c
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@ -24,9 +24,10 @@ struct arc4_ctx {
u8 x, y;
};
static int arc4_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len, u32 *flags)
static int arc4_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len, u32 *flags)
{
struct arc4_ctx *ctx = ctx_arg;
struct arc4_ctx *ctx = crypto_tfm_ctx(tfm);
int i, j = 0, k = 0;
ctx->x = 1;
@ -48,9 +49,9 @@ static int arc4_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len, u
return 0;
}
static void arc4_crypt(void *ctx_arg, u8 *out, const u8 *in)
static void arc4_crypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
{
struct arc4_ctx *ctx = ctx_arg;
struct arc4_ctx *ctx = crypto_tfm_ctx(tfm);
u8 *const S = ctx->S;
u8 x = ctx->x;