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authorDavid Sterba <dsterba@suse.com>2019-11-12 11:20:30 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2019-11-22 18:48:35 +0800
commitc433a1a8572eceb7c45dd85d93fec6946b71bb72 (patch)
tree60faba185965df7cc306da02424577ea2db1e075
parent0b4b5f10ac1ffb7f51db1832d189c33955c0d4c1 (diff)
downloadlinux-c433a1a8572eceb7c45dd85d93fec6946b71bb72.tar.bz2
crypto: blake2b - rename tfm context and _setkey callback
The TFM context can be renamed to a more appropriate name and the local varaibles as well, using 'tctx' which seems to be more common than 'mctx'. The _setkey callback was the last one without the blake2b_ prefix, rename that too. Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
-rw-r--r--crypto/blake2b_generic.c36
1 files changed, 18 insertions, 18 deletions
diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c
index 2c756a7dcc21..d04b1788dc42 100644
--- a/crypto/blake2b_generic.c
+++ b/crypto/blake2b_generic.c
@@ -137,30 +137,30 @@ static void blake2b_compress(struct blake2b_state *S,
#undef G
#undef ROUND
-struct digest_tfm_ctx {
+struct blake2b_tfm_ctx {
u8 key[BLAKE2B_KEYBYTES];
unsigned int keylen;
};
-static int digest_setkey(struct crypto_shash *tfm, const u8 *key,
- unsigned int keylen)
+static int blake2b_setkey(struct crypto_shash *tfm, const u8 *key,
+ unsigned int keylen)
{
- struct digest_tfm_ctx *mctx = crypto_shash_ctx(tfm);
+ struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(tfm);
if (keylen == 0 || keylen > BLAKE2B_KEYBYTES) {
crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
- memcpy(mctx->key, key, keylen);
- mctx->keylen = keylen;
+ memcpy(tctx->key, key, keylen);
+ tctx->keylen = keylen;
return 0;
}
static int blake2b_init(struct shash_desc *desc)
{
- struct digest_tfm_ctx *mctx = crypto_shash_ctx(desc->tfm);
+ struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
struct blake2b_state *state = shash_desc_ctx(desc);
const int digestsize = crypto_shash_digestsize(desc->tfm);
@@ -168,14 +168,14 @@ static int blake2b_init(struct shash_desc *desc)
memcpy(state->h, blake2b_IV, sizeof(state->h));
/* Parameter block is all zeros except index 0, no xor for 1..7 */
- state->h[0] ^= 0x01010000 | mctx->keylen << 8 | digestsize;
+ state->h[0] ^= 0x01010000 | tctx->keylen << 8 | digestsize;
- if (mctx->keylen) {
+ if (tctx->keylen) {
/*
* Prefill the buffer with the key, next call to _update or
* _final will process it
*/
- memcpy(state->buf, mctx->key, mctx->keylen);
+ memcpy(state->buf, tctx->key, tctx->keylen);
state->buflen = BLAKE2B_BLOCKBYTES;
}
return 0;
@@ -241,10 +241,10 @@ static struct shash_alg blake2b_algs[] = {
.base.cra_priority = 100,
.base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
.base.cra_blocksize = BLAKE2B_BLOCKBYTES,
- .base.cra_ctxsize = sizeof(struct digest_tfm_ctx),
+ .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx),
.base.cra_module = THIS_MODULE,
.digestsize = BLAKE2B_160_DIGEST_SIZE,
- .setkey = digest_setkey,
+ .setkey = blake2b_setkey,
.init = blake2b_init,
.update = blake2b_update,
.final = blake2b_final,
@@ -255,10 +255,10 @@ static struct shash_alg blake2b_algs[] = {
.base.cra_priority = 100,
.base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
.base.cra_blocksize = BLAKE2B_BLOCKBYTES,
- .base.cra_ctxsize = sizeof(struct digest_tfm_ctx),
+ .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx),
.base.cra_module = THIS_MODULE,
.digestsize = BLAKE2B_256_DIGEST_SIZE,
- .setkey = digest_setkey,
+ .setkey = blake2b_setkey,
.init = blake2b_init,
.update = blake2b_update,
.final = blake2b_final,
@@ -269,10 +269,10 @@ static struct shash_alg blake2b_algs[] = {
.base.cra_priority = 100,
.base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
.base.cra_blocksize = BLAKE2B_BLOCKBYTES,
- .base.cra_ctxsize = sizeof(struct digest_tfm_ctx),
+ .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx),
.base.cra_module = THIS_MODULE,
.digestsize = BLAKE2B_384_DIGEST_SIZE,
- .setkey = digest_setkey,
+ .setkey = blake2b_setkey,
.init = blake2b_init,
.update = blake2b_update,
.final = blake2b_final,
@@ -283,10 +283,10 @@ static struct shash_alg blake2b_algs[] = {
.base.cra_priority = 100,
.base.cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
.base.cra_blocksize = BLAKE2B_BLOCKBYTES,
- .base.cra_ctxsize = sizeof(struct digest_tfm_ctx),
+ .base.cra_ctxsize = sizeof(struct blake2b_tfm_ctx),
.base.cra_module = THIS_MODULE,
.digestsize = BLAKE2B_512_DIGEST_SIZE,
- .setkey = digest_setkey,
+ .setkey = blake2b_setkey,
.init = blake2b_init,
.update = blake2b_update,
.final = blake2b_final,