HMACSHA256.cpp File Reference

#include "pch.h"
#include "System/Security/Cryptography/HMACSHA256.h"
#include "System/ArgumentNullException.h"
#include <cstring>

Go to the source code of this file.

Namespaces
namespace	DotNetDupe
namespace	DotNetDupe::System
namespace	DotNetDupe::System::Security
namespace	DotNetDupe::System::Security::Cryptography

Macros
#define	SHA256_F1(x)
#define	SHA256_F2(x)
#define	SHA256_F3(x)
#define	SHA256_F4(x)
#define	SHA2_CH(x, y, z)
#define	SHA2_MAJ(x, y, z)
#define	SHA2_PACK32(str, x)
#define	SHA2_ROTR(x, n)
#define	SHA2_SHFR(x, n)
#define	SHA2_UNPACK32(x, str)

Functions
static void	DotNetDupe::System::Security::Cryptography::ComputeHmacDigests (const unsigned char *k_ipad, const unsigned char *k_opad, const Array< char > &buffer, unsigned char *outer_digest)
static void	DotNetDupe::System::Security::Cryptography::PrepareHmacPads (const Array< char > &key, unsigned char *k_ipad, unsigned char *k_opad)

Variables
static const unsigned int	DotNetDupe::System::Security::Cryptography::sha256_k [64]

Macro Definition Documentation

SHA256_F1

#define SHA256_F1

(

x

)

Value:

(SHA2_ROTR(x, 2) ^ SHA2_ROTR(x, 13) ^ SHA2_ROTR(x, 22))

Definition at line 16 of file HMACSHA256.cpp.

SHA256_F2

#define SHA256_F2

(

x

)

Value:

(SHA2_ROTR(x, 6) ^ SHA2_ROTR(x, 11) ^ SHA2_ROTR(x, 25))

Definition at line 17 of file HMACSHA256.cpp.

SHA256_F3

#define SHA256_F3

(

x

)

Value:

(SHA2_ROTR(x, 7) ^ SHA2_ROTR(x, 18) ^ SHA2_SHFR(x, 3))

Definition at line 18 of file HMACSHA256.cpp.

SHA256_F4

#define SHA256_F4

(

x

)

Value:

(SHA2_ROTR(x, 17) ^ SHA2_ROTR(x, 19) ^ SHA2_SHFR(x, 10))

Definition at line 19 of file HMACSHA256.cpp.

SHA2_CH

#define SHA2_CH	(		x,
			y,
			z )

Value:

((x & y) ^ (~x & z))

Definition at line 14 of file HMACSHA256.cpp.

SHA2_MAJ

#define SHA2_MAJ	(		x,
			y,
			z )

Value:

((x & y) ^ (x & z) ^ (y & z))

Definition at line 15 of file HMACSHA256.cpp.

SHA2_PACK32

#define SHA2_PACK32	(		str,
			x )

Value:

{                                             \
    *(x) =   ((unsigned int) *((str) + 3)      ) \
           | ((unsigned int) *((str) + 2) <<  8) \
           | ((unsigned int) *((str) + 1) << 16) \
           | ((unsigned int) *((str) + 0) << 24);\
}

Definition at line 29 of file HMACSHA256.cpp.

SHA2_ROTR

#define SHA2_ROTR	(		x,
			n )

Value:

((x >> n) | (x << ((sizeof(x) << 3) - n)))

Definition at line 13 of file HMACSHA256.cpp.

SHA2_SHFR

#define SHA2_SHFR	(		x,
			n )

Value:

(x >> n)

Definition at line 12 of file HMACSHA256.cpp.

SHA2_UNPACK32

#define SHA2_UNPACK32	(		x,
			str )

Value:

{                                             \
    *((str) + 3) = (unsigned char) ((x)      ); \
    *((str) + 2) = (unsigned char) ((x) >>  8); \
    *((str) + 1) = (unsigned char) ((x) >> 16); \
    *((str) + 0) = (unsigned char) ((x) >> 24); \
}

Definition at line 21 of file HMACSHA256.cpp.