From bd7d151abf2c51e24a0dc60f7400c0388904c9f1 Mon Sep 17 00:00:00 2001 From: Mounir IDRASSI Date: Tue, 14 Oct 2014 17:02:37 +0200 Subject: Add SHA-256 source specific for upcoming bootloader build because of its small size. It was derived from the libtomcrypt public domain source. --- src/Crypto/Sha2Small.h | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 src/Crypto/Sha2Small.h (limited to 'src/Crypto/Sha2Small.h') diff --git a/src/Crypto/Sha2Small.h b/src/Crypto/Sha2Small.h new file mode 100644 index 00000000..2b79eaf4 --- /dev/null +++ b/src/Crypto/Sha2Small.h @@ -0,0 +1,55 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org + * + */ + +/* Adapted for VeraCrypt */ + +#ifndef _SHA2_SMALL_H +#define _SHA2_SMALL_H + +#include "Common/Tcdefs.h" +#include "Common/Endian.h" + +#define SHA256_DIGEST_SIZE 32 +#define SHA256_BLOCK_SIZE 64 + +#define VOID_RETURN void +#define INT_RETURN int + +#if defined(__cplusplus) +extern "C" +{ +#endif + +typedef struct { + + uint32 highLength; + uint32 lowLength; + uint32 state[8]; + unsigned int curlen; + unsigned char buf[64]; +} sha256_ctx; + +/******************************************************************************/ + +VOID_RETURN sha256_begin(sha256_ctx* ctx); +VOID_RETURN sha256_hash(unsigned char* data, unsigned int len, sha256_ctx* ctx); +VOID_RETURN sha256_end(unsigned char* hval, sha256_ctx* ctx); + +#if defined(__cplusplus) +} +#endif + +/******************************************************************************/ + +#endif /* _h_PS_DIGEST */ +/******************************************************************************/ + -- cgit v1.2.3