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Moved hash_byte & hash_nbytes functions to common

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Also fixed possible overflow on large payload hashing
This commit is contained in:
Alexandre Paillier
2022-11-25 16:40:15 +01:00
parent f17104312b
commit e15899c92e
3 changed files with 12 additions and 19 deletions
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8
src_features/signMessageEIP712/hash_bytes.c → src_common/hash_bytes.c
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@@ -1,5 +1,3 @@
#ifdef HAVE_EIP712_FULL_SUPPORT
#include "hash_bytes.h"
/**
@@ -9,7 +7,7 @@
* @param[in] n number of bytes to hash
* @param[in] hash_ctx pointer to the hashing context
*/
void hash_nbytes(const uint8_t *const bytes_ptr, uint8_t n, cx_hash_t *const hash_ctx) {
void hash_nbytes(const uint8_t *bytes_ptr, size_t n, cx_hash_t *hash_ctx) {
cx_hash(hash_ctx, 0, bytes_ptr, n, NULL, 0);
}
@@ -19,8 +17,6 @@ void hash_nbytes(const uint8_t *const bytes_ptr, uint8_t n, cx_hash_t *const has
* @param[in] byte byte to hash
* @param[in] hash_ctx pointer to the hashing context
*/
void hash_byte(uint8_t byte, cx_hash_t *const hash_ctx) {
void hash_byte(uint8_t byte, cx_hash_t *hash_ctx) {
hash_nbytes(&byte, 1, hash_ctx);
}
#endif // HAVE_EIP712_FULL_SUPPORT

10
src_common/hash_bytes.h Normal file
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@@ -0,0 +1,10 @@
#ifndef HASH_BYTES_H_
#define HASH_BYTES_H_
#include <stdint.h>
#include "cx.h"
void hash_nbytes(const uint8_t *const bytes_ptr, size_t n, cx_hash_t *hash_ctx);
void hash_byte(uint8_t byte, cx_hash_t *hash_ctx);
#endif // HASH_BYTES_H_

13
src_features/signMessageEIP712/hash_bytes.h
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@@ -1,13 +0,0 @@
#ifndef HASH_BYTES_H_
#define HASH_BYTES_H_
#ifdef HAVE_EIP712_FULL_SUPPORT
#include "cx.h"
void hash_nbytes(const uint8_t *const bytes_ptr, uint8_t n, cx_hash_t *hash_ctx);
void hash_byte(uint8_t byte, cx_hash_t *hash_ctx);
#endif // HAVE_EIP712_FULL_SUPPORT
#endif // HASH_BYTES_H_