* crc using table.
*/
-static void chksum_init(void *ctx)
+static void chksum_init(struct crypto_tfm *tfm)
{
- struct chksum_ctx *mctx = ctx;
+ struct chksum_ctx *mctx = crypto_tfm_ctx(tfm);
mctx->crc = ~(u32)0; /* common usage */
}
* If your algorithm starts with ~0, then XOR with ~0 before you set
* the seed.
*/
-static int chksum_setkey(void *ctx, const u8 *key, unsigned int keylen,
- u32 *flags)
+static int chksum_setkey(struct crypto_tfm *tfm, const u8 *key,
+ unsigned int keylen, u32 *flags)
{
- struct chksum_ctx *mctx = ctx;
+ struct chksum_ctx *mctx = crypto_tfm_ctx(tfm);
if (keylen != sizeof(mctx->crc)) {
if (flags)
return 0;
}
-static void chksum_update(void *ctx, const u8 *data, unsigned int length)
+static void chksum_update(struct crypto_tfm *tfm, const u8 *data,
+ unsigned int length)
{
- struct chksum_ctx *mctx = ctx;
+ struct chksum_ctx *mctx = crypto_tfm_ctx(tfm);
u32 mcrc;
mcrc = crc32c(mctx->crc, data, (size_t)length);
mctx->crc = mcrc;
}
-static void chksum_final(void *ctx, u8 *out)
+static void chksum_final(struct crypto_tfm *tfm, u8 *out)
{
- struct chksum_ctx *mctx = ctx;
+ struct chksum_ctx *mctx = crypto_tfm_ctx(tfm);
u32 mcrc = (mctx->crc ^ ~(u32)0);
*(u32 *)out = __le32_to_cpu(mcrc);