diff options
Diffstat (limited to 'chip/npcx/sha256_chip.c')
| -rw-r--r-- | chip/npcx/sha256_chip.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/chip/npcx/sha256_chip.c b/chip/npcx/sha256_chip.c index 6d2d938895..e2590cad65 100644 --- a/chip/npcx/sha256_chip.c +++ b/chip/npcx/sha256_chip.c @@ -1,10 +1,11 @@ /* - * Copyright 2020 The Chromium OS Authors. All rights reserved. + * Copyright 2020 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /* SHA256 module for Chrome EC */ +#include "builtin/assert.h" #include "common.h" #include "sha256.h" #include "util.h" @@ -31,7 +32,7 @@ enum ncl_sha_type { * The base address of the table that holds the function pointer for each * SHA256 API in ROM. */ -#define NCL_SHA_BASE_ADDR 0x00000100UL +#define NCL_SHA_BASE_ADDR 0x00000100UL struct ncl_sha { /* Get the SHA context size required by SHA APIs. */ uint32_t (*get_context_size)(void); @@ -57,7 +58,8 @@ struct ncl_sha { enum ncl_status (*finish)(void *ctx, uint8_t *hashDigest); /* Perform a complete SHA calculation */ enum ncl_status (*calc)(void *ctx, enum ncl_sha_type type, - const uint8_t *data, uint32_t Len, uint8_t *hashDigest); + const uint8_t *data, uint32_t Len, + uint8_t *hashDigest); /* Power on/off the SHA module. */ enum ncl_status (*power)(void *ctx, uint8_t enable); /* Reset the SHA hardware and terminate any in-progress operations. */ @@ -95,9 +97,9 @@ uint8_t *SHA256_final(struct sha256_ctx *ctx) return ctx->buf; } -static void hmac_SHA256_step(uint8_t *output, uint8_t mask, - const uint8_t *key, const int key_len, - const uint8_t *data, const int data_len) +static void hmac_SHA256_step(uint8_t *output, uint8_t mask, const uint8_t *key, + const int key_len, const uint8_t *data, + const int data_len) { struct sha256_ctx hmac_ctx; uint8_t *key_pad = hmac_ctx.buf; @@ -120,7 +122,7 @@ static void hmac_SHA256_step(uint8_t *output, uint8_t mask, * hmac_SHA256_step. */ void hmac_SHA256(uint8_t *output, const uint8_t *key, const int key_len, - const uint8_t *message, const int message_len) + const uint8_t *message, const int message_len) { /* This code does not support key_len > block_size. */ ASSERT(key_len <= SHA256_BLOCK_SIZE); @@ -137,5 +139,5 @@ void hmac_SHA256(uint8_t *output, const uint8_t *key, const int key_len, * output = hash(o_key_pad || output) */ hmac_SHA256_step(output, 0x5c, key, key_len, output, - SHA256_DIGEST_SIZE); + SHA256_DIGEST_SIZE); } |