#include "../defs.h"
#include <string.h>
#include <assert.h>
#include "sha2.h"

Macros
#define	SHA256_SHORT_BLOCK_LENGTH (SHA256_BLOCK_LENGTH - 8)

#define	SHA384_SHORT_BLOCK_LENGTH (SHA384_BLOCK_LENGTH - 16)

#define	SHA512_SHORT_BLOCK_LENGTH (SHA512_BLOCK_LENGTH - 16)

#define	ULL(number) (uint64_t)(number)

#define	REVERSE32(w, x)

#define	REVERSE64(w, x)

#define	ADDINC128(w, n)

#define	SHA2_USE_MEMSET_MEMCPY 1

#define	MEMSET_BZERO(p, l) memset((p), 0, (l))

#define	MEMCPY_BCOPY(d, s, l) memcpy((d), (s), (l))

#define	R(b, x) ((x) >> (b))

#define	S32(b, x) (((x) >> (b)) \| ((x) << (32 - (b))))

#define	S64(b, x) (((x) >> (b)) \| ((x) << (64 - (b))))

#define	Ch(x, y, z) (((x) & (y)) ^ ((~(x)) & (z)))

#define	Maj(x, y, z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))

#define	Sigma0_256(x) (S32(2, (x)) ^ S32(13, (x)) ^ S32(22, (x)))

#define	Sigma1_256(x) (S32(6, (x)) ^ S32(11, (x)) ^ S32(25, (x)))

#define	sigma0_256(x) (S32(7, (x)) ^ S32(18, (x)) ^ R(3 , (x)))

#define	sigma1_256(x) (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x)))

#define	Sigma0_512(x) (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x)))

#define	Sigma1_512(x) (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x)))

#define	sigma0_512(x) (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x)))

#define	sigma1_512(x) (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x)))

Typedefs
typedef uint8_t	sha2_byte

typedef uint32_t	sha2_word32

typedef uint64_t	sha2_word64

Functions
void	SHA512_Last (SHA512_CTX *)

void	SHA256_Transform (SHA256_CTX , const sha2_word32 )

void	SHA512_Transform (SHA512_CTX , const sha2_word64 )

int	SHA256_Init (SHA256_CTX *context)

void	SHA256_Update (SHA256_CTX context, const sha2_byte data, size_t len)

int	SHA256_Final (sha2_byte digest[], SHA256_CTX *context)

char *	SHA256_End (SHA256_CTX *context, char buffer[])

char *	SHA256_Data (const sha2_byte *data, size_t len, char digest[SHA256_DIGEST_STRING_LENGTH])

int	SHA512_Init (SHA512_CTX *context)

void	SHA512_Update (SHA512_CTX context, const sha2_byte data, size_t len)

int	SHA512_Final (sha2_byte digest[], SHA512_CTX *context)

char *	SHA512_End (SHA512_CTX *context, char buffer[])

char *	SHA512_Data (const sha2_byte *data, size_t len, char digest[SHA512_DIGEST_STRING_LENGTH])

int	SHA384_Init (SHA384_CTX *context)

void	SHA384_Update (SHA384_CTX context, const sha2_byte data, size_t len)

int	SHA384_Final (sha2_byte digest[], SHA384_CTX *context)

char *	SHA384_End (SHA384_CTX *context, char buffer[])

char *	SHA384_Data (const sha2_byte *data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH])

Macro Definition Documentation

◆ ADDINC128

#define ADDINC128	(	w,
		n
	)

Value:

{ \
        (w)[0] += (sha2_word64)(n); \
        if ((w)[0] < (n)) { \
                (w)[1]++; \
        } \
}

Definition at line 158 of file sha2.c.

Referenced by SHA512_Update().

◆ Ch

#define Ch	(	x,
		y,
		z
	)	(((x) & (y)) ^ ((~(x)) & (z)))

Definition at line 210 of file sha2.c.

Referenced by SHA256_Transform(), and SHA512_Transform().

◆ Maj

#define Maj	(	x,
		y,
		z
	)	(((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))

Definition at line 211 of file sha2.c.

◆ MEMCPY_BCOPY

#define MEMCPY_BCOPY	(	d,
		s,
		l
	)	memcpy((d), (s), (l))

Definition at line 185 of file sha2.c.

Referenced by SHA256_Final(), SHA256_Init(), SHA256_Update(), SHA384_Final(), SHA384_Init(), SHA512_Final(), SHA512_Init(), SHA512_Last(), and SHA512_Update().

◆ MEMSET_BZERO

#define MEMSET_BZERO	(	p,
		l
	)	memset((p), 0, (l))

Definition at line 184 of file sha2.c.

Referenced by SHA256_Final(), SHA384_Final(), SHA512_Final(), and SHA512_Last().

◆ R

#define R	(	b,
		x
	)	((x) >> (b))

Definition at line 203 of file sha2.c.

◆ REVERSE32

#define REVERSE32	(	w,
		x
	)

Value:

{ \
        sha2_word32 tmp = (w); \
        tmp = (tmp >> 16) | (tmp << 16); \
        (x) = ((tmp & (sha2_word32)0xff00ff00UL) >> 8) | ((tmp & (sha2_word32)0x00ff00ffUL) << 8); \
}

Definition at line 138 of file sha2.c.

Referenced by SHA256_Final(), and SHA256_Transform().

◆ REVERSE64

#define REVERSE64	(	w,
		x
	)

Value:

{ \
        sha2_word64 tmp = (w); \
        tmp = (tmp >> 32) | (tmp << 32); \
        tmp = ((tmp & ULL(0xff00ff00ff00ff00)) >> 8) | \
              ((tmp & ULL(0x00ff00ff00ff00ff)) << 8); \
        (x) = ((tmp & ULL(0xffff0000ffff0000)) >> 16) | \
              ((tmp & ULL(0x0000ffff0000ffff)) << 16); \
}

Definition at line 143 of file sha2.c.

Referenced by SHA256_Final(), SHA384_Final(), SHA512_Final(), SHA512_Last(), and SHA512_Transform().

◆ S32

#define S32	(	b,
		x
	)	(((x) >> (b)) \| ((x) << (32 - (b))))

Definition at line 205 of file sha2.c.

◆ S64

#define S64	(	b,
		x
	)	(((x) >> (b)) \| ((x) << (64 - (b))))

Definition at line 207 of file sha2.c.

◆ SHA256_SHORT_BLOCK_LENGTH

#define SHA256_SHORT_BLOCK_LENGTH (SHA256_BLOCK_LENGTH - 8)

Definition at line 126 of file sha2.c.

Referenced by SHA256_Final().

◆ SHA2_USE_MEMSET_MEMCPY

#define SHA2_USE_MEMSET_MEMCPY 1

Definition at line 176 of file sha2.c.

◆ SHA384_SHORT_BLOCK_LENGTH

#define SHA384_SHORT_BLOCK_LENGTH (SHA384_BLOCK_LENGTH - 16)

Definition at line 127 of file sha2.c.

◆ SHA512_SHORT_BLOCK_LENGTH

#define SHA512_SHORT_BLOCK_LENGTH (SHA512_BLOCK_LENGTH - 16)

Definition at line 128 of file sha2.c.

Referenced by SHA512_Last().

◆ Sigma0_256

#define Sigma0_256 ( x ) (S32(2, (x)) ^ S32(13, (x)) ^ S32(22, (x)))

Definition at line 214 of file sha2.c.

◆ sigma0_256

#define sigma0_256 ( x ) (S32(7, (x)) ^ S32(18, (x)) ^ R(3 , (x)))

Definition at line 216 of file sha2.c.

◆ Sigma0_512

#define Sigma0_512 ( x ) (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x)))

Definition at line 220 of file sha2.c.

◆ sigma0_512

#define sigma0_512 ( x ) (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x)))

Definition at line 222 of file sha2.c.

◆ Sigma1_256

#define Sigma1_256 ( x ) (S32(6, (x)) ^ S32(11, (x)) ^ S32(25, (x)))

Definition at line 215 of file sha2.c.

Referenced by SHA256_Transform().

◆ sigma1_256

#define sigma1_256 ( x ) (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x)))

Definition at line 217 of file sha2.c.

◆ Sigma1_512

#define Sigma1_512 ( x ) (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x)))

Definition at line 221 of file sha2.c.

Referenced by SHA512_Transform().

◆ sigma1_512

#define sigma1_512 ( x ) (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x)))

Definition at line 223 of file sha2.c.

◆ ULL

#define ULL ( number ) (uint64_t)(number)

Definition at line 134 of file sha2.c.

Typedef Documentation

◆ sha2_byte

typedef uint8_t sha2_byte

Definition at line 111 of file sha2.c.

◆ sha2_word32

typedef uint32_t sha2_word32

Definition at line 112 of file sha2.c.

◆ sha2_word64

typedef uint64_t sha2_word64

Definition at line 113 of file sha2.c.

Function Documentation

◆ SHA256_Data()

char* SHA256_Data	(	const sha2_byte *	data,
		size_t	len,
		char	digest[SHA256_DIGEST_STRING_LENGTH]
	)

Definition at line 665 of file sha2.c.

References SHA256_End(), SHA256_Init(), and SHA256_Update().

◆ SHA256_End()

char* SHA256_End	(	SHA256_CTX *	context,
		char	buffer[]
	)

Definition at line 643 of file sha2.c.

References assert, SHA256_DIGEST_LENGTH, and SHA256_Final().

Referenced by SHA256_Data().

◆ SHA256_Final()

int SHA256_Final	(	sha2_byte	digest[],
		SHA256_CTX *	context
	)

Definition at line 578 of file sha2.c.

References assert, _SHA256_CTX::bitcount, _SHA256_CTX::buffer, MEMCPY_BCOPY, MEMSET_BZERO, REVERSE32, REVERSE64, SHA256_BLOCK_LENGTH, SHA256_DIGEST_LENGTH, SHA256_SHORT_BLOCK_LENGTH, SHA256_Transform(), and _SHA256_CTX::state.

Referenced by SHA256_End().

◆ SHA256_Init()

int SHA256_Init ( SHA256_CTX * context )

Definition at line 344 of file sha2.c.

References MEMCPY_BCOPY, and _SHA256_CTX::state.

Referenced by SHA256_Data().

◆ SHA256_Transform()

void SHA256_Transform	(	SHA256_CTX *	context,
		const sha2_word32 *	data
	)

Definition at line 449 of file sha2.c.

References _SHA256_CTX::buffer, BYTE_ORDER, Ch, f, LITTLE_ENDIAN, REVERSE32, Sigma1_256, _SHA256_CTX::state, T1, and T2.

Referenced by SHA256_Final(), and SHA256_Update().

◆ SHA256_Update()

void SHA256_Update	(	SHA256_CTX *	context,
		const sha2_byte *	data,
		size_t	len
	)

Definition at line 529 of file sha2.c.

References assert, _SHA256_CTX::bitcount, _SHA256_CTX::buffer, MEMCPY_BCOPY, SHA256_BLOCK_LENGTH, and SHA256_Transform().

Referenced by SHA256_Data().

◆ SHA384_Data()

char* SHA384_Data	(	const sha2_byte *	data,
		size_t	len,
		char	digest[SHA384_DIGEST_STRING_LENGTH]
	)

Definition at line 1074 of file sha2.c.

References SHA384_End(), SHA384_Init(), and SHA384_Update().

◆ SHA384_End()

char* SHA384_End	(	SHA384_CTX *	context,
		char	buffer[]
	)

Definition at line 1052 of file sha2.c.

References assert, SHA384_DIGEST_LENGTH, and SHA384_Final().

Referenced by SHA384_Data().

◆ SHA384_Final()

int SHA384_Final	(	sha2_byte	digest[],
		SHA384_CTX *	context
	)

Definition at line 1022 of file sha2.c.

References assert, MEMCPY_BCOPY, MEMSET_BZERO, REVERSE64, SHA384_DIGEST_LENGTH, SHA512_Last(), and _SHA512_CTX::state.

Referenced by SHA384_End().

◆ SHA384_Init()

int SHA384_Init ( SHA384_CTX * context )

Definition at line 1008 of file sha2.c.

References MEMCPY_BCOPY, and _SHA512_CTX::state.

Referenced by SHA384_Data().

◆ SHA384_Update()

void SHA384_Update	(	SHA384_CTX *	context,
		const sha2_byte *	data,
		size_t	len
	)

Definition at line 1018 of file sha2.c.

References SHA512_Update().

Referenced by SHA384_Data().

◆ SHA512_Data()

char* SHA512_Data	(	const sha2_byte *	data,
		size_t	len,
		char	digest[SHA512_DIGEST_STRING_LENGTH]
	)

Definition at line 998 of file sha2.c.

References SHA512_End(), SHA512_Init(), and SHA512_Update().

◆ SHA512_End()

char* SHA512_End	(	SHA512_CTX *	context,
		char	buffer[]
	)

Definition at line 976 of file sha2.c.

References assert, SHA512_DIGEST_LENGTH, and SHA512_Final().

Referenced by SHA512_Data().

◆ SHA512_Final()

int SHA512_Final	(	sha2_byte	digest[],
		SHA512_CTX *	context
	)

Definition at line 946 of file sha2.c.

References assert, MEMCPY_BCOPY, MEMSET_BZERO, REVERSE64, SHA512_DIGEST_LENGTH, SHA512_Last(), and _SHA512_CTX::state.

Referenced by SHA512_End().

◆ SHA512_Init()

int SHA512_Init ( SHA512_CTX * context )

Definition at line 675 of file sha2.c.

References MEMCPY_BCOPY, and _SHA512_CTX::state.

Referenced by SHA512_Data().

◆ SHA512_Last()

void SHA512_Last ( SHA512_CTX * context )

Definition at line 903 of file sha2.c.

References _SHA512_CTX::bitcount, _SHA512_CTX::buffer, MEMCPY_BCOPY, MEMSET_BZERO, REVERSE64, SHA512_BLOCK_LENGTH, SHA512_SHORT_BLOCK_LENGTH, and SHA512_Transform().

Referenced by SHA384_Final(), and SHA512_Final().

◆ SHA512_Transform()

void SHA512_Transform	(	SHA512_CTX *	context,
		const sha2_word64 *	data
	)

Definition at line 776 of file sha2.c.

References _SHA512_CTX::buffer, BYTE_ORDER, Ch, f, LITTLE_ENDIAN, REVERSE64, Sigma1_512, _SHA512_CTX::state, T1, and T2.

Referenced by SHA512_Last(), and SHA512_Update().

◆ SHA512_Update()

void SHA512_Update	(	SHA512_CTX *	context,
		const sha2_byte *	data,
		size_t	len
	)

Definition at line 854 of file sha2.c.

References ADDINC128, assert, _SHA512_CTX::bitcount, _SHA512_CTX::buffer, MEMCPY_BCOPY, SHA512_BLOCK_LENGTH, and SHA512_Transform().

Referenced by SHA384_Update(), and SHA512_Data().

Macros

Typedefs

Functions

Macro Definition Documentation

◆ ADDINC128

◆ Ch

◆ Maj

◆ MEMCPY_BCOPY

◆ MEMSET_BZERO

◆ R

◆ REVERSE32

◆ REVERSE64

◆ S32

◆ S64

◆ SHA256_SHORT_BLOCK_LENGTH

◆ SHA2_USE_MEMSET_MEMCPY

◆ SHA384_SHORT_BLOCK_LENGTH

◆ SHA512_SHORT_BLOCK_LENGTH

◆ Sigma0_256

◆ sigma0_256

◆ Sigma0_512

◆ sigma0_512

◆ Sigma1_256

◆ sigma1_256

◆ Sigma1_512

◆ sigma1_512

◆ ULL

Typedef Documentation

◆ sha2_byte

◆ sha2_word32

◆ sha2_word64

Function Documentation

◆ SHA256_Data()

◆ SHA256_End()

◆ SHA256_Final()

◆ SHA256_Init()

◆ SHA256_Transform()

◆ SHA256_Update()

◆ SHA384_Data()

◆ SHA384_End()

◆ SHA384_Final()

◆ SHA384_Init()

◆ SHA384_Update()

◆ SHA512_Data()

◆ SHA512_End()

◆ SHA512_Final()

◆ SHA512_Init()

◆ SHA512_Last()

◆ SHA512_Transform()

◆ SHA512_Update()