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Diffstat (limited to 'include/crypto/internal/blake2b.h')
-rw-r--r--include/crypto/internal/blake2b.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/include/crypto/internal/blake2b.h b/include/crypto/internal/blake2b.h
index 3e09e2485306..3712df69def1 100644
--- a/include/crypto/internal/blake2b.h
+++ b/include/crypto/internal/blake2b.h
@@ -57,13 +57,28 @@ static inline int crypto_blake2b_setkey(struct crypto_shash *tfm,
return 0;
}
+static inline void __crypto_blake2b_init(struct blake2b_state *state,
+ size_t outlen, size_t keylen)
+{
+ state->h[0] = BLAKE2B_IV0 ^ (0x01010000 | keylen << 8 | outlen);
+ state->h[1] = BLAKE2B_IV1;
+ state->h[2] = BLAKE2B_IV2;
+ state->h[3] = BLAKE2B_IV3;
+ state->h[4] = BLAKE2B_IV4;
+ state->h[5] = BLAKE2B_IV5;
+ state->h[6] = BLAKE2B_IV6;
+ state->h[7] = BLAKE2B_IV7;
+ state->t[0] = 0;
+ state->t[1] = 0;
+}
+
static inline int crypto_blake2b_init(struct shash_desc *desc)
{
const struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
struct blake2b_state *state = shash_desc_ctx(desc);
unsigned int outlen = crypto_shash_digestsize(desc->tfm);
- __blake2b_init(state, outlen, tctx->keylen);
+ __crypto_blake2b_init(state, outlen, tctx->keylen);
return tctx->keylen ?
crypto_shash_update(desc, tctx->key, BLAKE2B_BLOCK_SIZE) : 0;
}