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| author | David Sterba <dsterba@suse.com> | 2019-11-12 11:20:30 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-11-22 18:48:35 +0800 |
| commit | c433a1a8572eceb7c45dd85d93fec6946b71bb72 (patch) | |
| tree | 60faba185965df7cc306da02424577ea2db1e075 /crypto/blake2b_generic.c | |
| parent | 0b4b5f10ac1ffb7f51db1832d189c33955c0d4c1 (diff) | |
| download | lwn-c433a1a8572eceb7c45dd85d93fec6946b71bb72.tar.gz lwn-c433a1a8572eceb7c45dd85d93fec6946b71bb72.zip | |
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>
Diffstat (limited to 'crypto/blake2b_generic.c')
| -rw-r--r-- | crypto/blake2b_generic.c | 36 |
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, |