oneechanhax/phunix
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

further sha2 conversion by Gautam Tirumala

Browse Source
This commit is contained in:
Ben Gras 2010-07-16 00:12:16 +00:00
parent feaa082ea8
commit 2a556de6d2
4 changed files with 736 additions and 356 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

90
include/minix/sha2.h
View File

@ -39,6 +39,10 @@
#ifndef __SHA2_H__ #ifndef __SHA2_H__
#define __SHA2_H__ #define __SHA2_H__
#define SHA2_BYTE_ORDER 0x04030201
#define SHA2_LITTLE_ENDIAN 0x04030201
#define SHA2_BIG_ENDIAN 0x01020204
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
@ -54,6 +58,7 @@ extern "C" {
#define SHA512_DIGEST_LENGTH 64 #define SHA512_DIGEST_LENGTH 64
#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
#ifdef __minix #ifdef __minix
#include <assert.h> #include <assert.h>
#include <string.h> #include <string.h>
@ -64,61 +69,14 @@ typedef u8_t u_int8_t; /* 1-byte (8-bits) */
typedef u32_t u_int32_t; /* 4-bytes (32-bits) */ typedef u32_t u_int32_t; /* 4-bytes (32-bits) */
typedef u64_t u_int64_t; /* 8-bytes (64-bits) */ typedef u64_t u_int64_t; /* 8-bytes (64-bits) */
#ifndef __P
#define __P(x) x
#endif
#define NO_64BIT 1
#define MINIX_64BIT 1 #define MINIX_64BIT 1
#define SHA2_BYTE_ORDER 0x04030201 #define SHA2_BYTE_ORDER 0x04030201
#define SHA2_LITTLE_ENDIAN 0x04030201 #define SHA2_LITTLE_ENDIAN 0x04030201
#define SHA2_BIG_ENDIAN 0x01020204 #define SHA2_BIG_ENDIAN 0x01020204
#define bcopy(s,d,l) (memmove((d),(s),(l)))
#define bzero(d,l) (memset((d),'\0',(l)))
#endif #endif
/*** SHA-256/384/512 Context Structures *******************************/ /*** SHA-256/384/512 Context Structures *******************************/
/* NOTE: If your architecture does not define either u_intXX_t types or
* uintXX_t (from inttypes.h), you may need to define things by hand
* for your system:
*/
#if 0
typedef unsigned char u_int8_t; /* 1-byte (8-bits) */
typedef unsigned int u_int32_t; /* 4-bytes (32-bits) */
typedef unsigned long long u_int64_t; /* 8-bytes (64-bits) */
#endif
/*
* Most BSD systems already define u_intXX_t types, as does Linux.
* Some systems, however, like Compaq's Tru64 Unix instead can use
* uintXX_t types defined by very recent ANSI C standards and included
* in the file:
*
* #include <inttypes.h>
*
* If you choose to use <inttypes.h> then please define:
*
* #define SHA2_USE_INTTYPES_H
*
* Or on the command line during compile:
*
* cc -DSHA2_USE_INTTYPES_H ...
*/
#if 0 /*def SHA2_USE_INTTYPES_H*/
typedef struct _SHA256_CTX {
uint32_t state[8];
uint64_t bitcount;
uint8_t buffer[SHA256_BLOCK_LENGTH];
} SHA256_CTX;
typedef struct _SHA512_CTX {
uint64_t state[8];
uint64_t bitcount[2];
uint8_t buffer[SHA512_BLOCK_LENGTH];
} SHA512_CTX;
#else /* SHA2_USE_INTTYPES_H */
typedef struct _SHA256_CTX { typedef struct _SHA256_CTX {
u_int32_t state[8]; u_int32_t state[8];
u_int64_t bitcount; u_int64_t bitcount;
@ -130,29 +88,29 @@ typedef struct _SHA512_CTX {
u_int8_t buffer[SHA512_BLOCK_LENGTH]; u_int8_t buffer[SHA512_BLOCK_LENGTH];
} SHA512_CTX; } SHA512_CTX;
#endif /* SHA2_USE_INTTYPES_H */
typedef SHA512_CTX SHA384_CTX; typedef SHA512_CTX SHA384_CTX;
/*** SHA-256/384/512 Function Prototypes ******************************/ /*** SHA-256/384/512 Function Prototypes ******************************/
void SHA256_Init(SHA256_CTX *);
void SHA256_Update(SHA256_CTX*, const u_int8_t*, size_t);
void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
char* SHA256_Data(const u_int8_t*, size_t, u_int8_t *);
char *SHA256_File(char *, char *);
void SHA256_Init __P((SHA256_CTX *)); void SHA384_Init(SHA384_CTX*);
void SHA256_Update __P((SHA256_CTX*, const u_int8_t*, size_t)); void SHA384_Update(SHA384_CTX*, const u_int8_t*, size_t);
void SHA256_Final __P((u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*)); void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
char* SHA256_End __P((SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH])); char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
char* SHA256_Data __P((const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH])); char* SHA384_Data(const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
char *SHA384_File(char *, char *);
void SHA384_Init __P((SHA384_CTX*)); void SHA512_Init(SHA512_CTX*);
void SHA384_Update __P((SHA384_CTX*, const u_int8_t*, size_t)); void SHA512_Update(SHA512_CTX*, const u_int8_t*, size_t);
void SHA384_Final __P((u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*)); void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
char* SHA384_End __P((SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH])); char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
char* SHA384_Data __P((const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH])); char* SHA512_Data(const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
char *SHA512_File(char *, char *);
void SHA512_Init __P((SHA512_CTX*));
void SHA512_Update __P((SHA512_CTX*, const u_int8_t*, size_t));
void SHA512_Final __P((u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*));
char* SHA512_End __P((SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]));
char* SHA512_Data __P((const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]));
#ifdef __cplusplus #ifdef __cplusplus
} }
@ -160,6 +118,8 @@ char* SHA512_Data __P((const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH
#endif /* __SHA2_H__ */ #endif /* __SHA2_H__ */
/* /*
* $PchId: sha2.h,v 1.1 2005/06/28 14:29:33 philip Exp $ * $PchId: sha2.h,v 1.1 2005/06/28 14:29:33 philip Exp $
*/ */

3
lib/libutil/Makefile
View File

@ -2,6 +2,7 @@
LIB= util LIB= util
SRCS= openpty.c sha2.c efun.c SRCS= openpty.c sha2.c efun.c \
sha1.c sha1hl.c sha2.c md5c.c md5hl.c
.include <bsd.lib.mk> .include <bsd.lib.mk>

484
lib/libutil/sha2.c
View File

@ -1,5 +1,5 @@
/* $FreeBSD: src/sys/crypto/sha2/sha2.c,v 1.2.2.2 2002/03/05 08:36:47 ume Exp $ */ /* $NetBSD: sha2.c,v 1.7 2007/07/18 14:09:55 joerg Exp $ */
/* $KAME: sha2.c,v 1.8 2001/11/08 01:07:52 itojun Exp $ */ /* $KAME: sha2.c,v 1.9 2003/07/20 00:28:38 itojun Exp $ */
/* /*
* sha2.c * sha2.c
@ -35,12 +35,13 @@
* SUCH DAMAGE. * SUCH DAMAGE.
* *
*/ */
#include <sys/types.h> #include <sys/types.h>
/* #include <sys/time.h> */ /* #include <sys/time.h> */
/* #include <sys/systm.h> */ /* #include <sys/systm.h> */
/* #include <machine/endian.h> */ /* #include <machine/endian.h> */
#include <stdint.h>
#include <minix/sha2.h> #include <minix/sha2.h>
#include <assert.h>
/* /*
* ASSERT NOTE: * ASSERT NOTE:
@ -62,10 +63,6 @@
* *
*/ */
#if defined(__bsdi__) || defined(__FreeBSD__)
#define assert(x)
#endif
/*** SHA-256/384/512 Machine Architecture Definitions *****************/ /*** SHA-256/384/512 Machine Architecture Definitions *****************/
/* /*
* SHA2_BYTE_ORDER NOTE: * SHA2_BYTE_ORDER NOTE:
@ -98,20 +95,6 @@
#error Define SHA2_BYTE_ORDER to be equal to either SHA2_LITTLE_ENDIAN or SHA2_BIG_ENDIAN #error Define SHA2_BYTE_ORDER to be equal to either SHA2_LITTLE_ENDIAN or SHA2_BIG_ENDIAN
#endif #endif
/*
* Define the followingsha2_* types to types of the correct length on
* the native archtecture. Most BSD systems and Linux define u_intXX_t
* types. Machines with very recent ANSI C headers, can use the
* uintXX_t definintions from inttypes.h by defining SHA2_USE_INTTYPES_H
* during compile or in the sha.h header file.
*
* Machines that support neither u_intXX_t nor inttypes.h's uintXX_t
* will need to define these three typedefs below (and the appropriate
* ones in sha.h too) by hand according to their system architecture.
*
* Thank you, Jun-ichiro itojun Hagino, for suggesting using u_intXX_t
* types and pointing out recent ANSI C support for uintXX_t in inttypes.h.
*/
#if 0 /*def SHA2_USE_INTTYPES_H*/ #if 0 /*def SHA2_USE_INTTYPES_H*/
typedef uint8_t sha2_byte; /* Exactly 1 byte */ typedef uint8_t sha2_byte; /* Exactly 1 byte */
@ -137,22 +120,23 @@ typedef u_int64_t sha2_word64; /* Exactly 8 bytes */
#define REVERSE32(w,x) { \ #define REVERSE32(w,x) { \
sha2_word32 tmp = (w); \ sha2_word32 tmp = (w); \
tmp = (tmp >> 16) | (tmp << 16); \ tmp = (tmp >> 16) | (tmp << 16); \
(x) = ((tmp & 0xff00ff00UL) >> 8) | ((tmp & 0x00ff00ffUL) << 8); \ (x) = (sha2_word32)(((tmp & 0xff00ff00UL) >> 8) | ((tmp & 0x00ff00ffUL) << 8)); \
} }
#define REVERSE64(w,x) { \ #define REVERSE64(w,x) { \
sha2_word64 tmp = (w); \ sha2_word64 tmp = (w); \
tmp = (tmp >> 32) | (tmp << 32); \ tmp = (tmp >> 32) | (tmp << 32); \
tmp = ((tmp & 0xff00ff00ff00ff00ULL) >> 8) | \ tmp = (sha2_word64)(((tmp & 0xff00ff00ff00ff00ULL) >> 8) | \
((tmp & 0x00ff00ff00ff00ffULL) << 8); \ ((tmp & 0x00ff00ff00ff00ffULL) << 8)); \
(x) = ((tmp & 0xffff0000ffff0000ULL) >> 16) | \ (x) = (sha2_word64)(((tmp & 0xffff0000ffff0000ULL) >> 16) | \
((tmp & 0x0000ffff0000ffffULL) << 16); \ ((tmp & 0x0000ffff0000ffffULL) << 16)); \
} }
#if MINIX_64BIT #if MINIX_64BIT
#undef REVERSE64 #undef REVERSE64
#define REVERSE64(w,x) { \ #define REVERSE64(w,x) { \
sha2_word64 tmp64 = (w); \
u32_t hi, lo; \ u32_t hi, lo; \
REVERSE32(ex64hi((w)), lo); \ REVERSE32(ex64hi(tmp64), lo); \
REVERSE32(ex64lo((w)), hi); \ REVERSE32(ex64lo(tmp64), hi); \
(x) = make64(lo, hi); \ (x) = make64(lo, hi); \
} }
#endif /* MINIX_64BIT */ #endif /* MINIX_64BIT */
@ -164,9 +148,9 @@ typedef u_int64_t sha2_word64; /* Exactly 8 bytes */
* 64-bit words): * 64-bit words):
*/ */
#define ADDINC128(w,n) { \ #define ADDINC128(w,n) { \
(w)[0] += (sha2_word64)(n); \ (w)[0] = add64u((w)[0], (n)); \
if ((w)[0] < (n)) { \ if (cmp64u((w)[0], (n)) < 0) { \
(w)[1]++; \ (w)[1] = add64u((w)[1], 1); \
} \ } \
} }
@ -184,12 +168,16 @@ typedef u_int64_t sha2_word64; /* Exactly 8 bytes */
/* 32-bit Rotate-right (used in SHA-256): */ /* 32-bit Rotate-right (used in SHA-256): */
#define S32(b,x) (((x) >> (b)) | ((x) << (32 - (b)))) #define S32(b,x) (((x) >> (b)) | ((x) << (32 - (b))))
/* 64-bit Rotate-right (used in SHA-384 and SHA-512): */ /* 64-bit Rotate-right (used in SHA-384 and SHA-512): */
#define S64(b,x) (((x) >> (b)) | ((x) << (64 - (b)))) #define S64(b,x) (rrotate64((x), (b)))
#define R64(b, x) (rshift64(x, b))
/* Two of six logical functions used in SHA-256, SHA-384, and SHA-512: */ /* Two of six logical functions used in SHA-256, SHA-384, and SHA-512: */
#define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z))) #define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
#define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z))) #define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
#define Ch64(x,y,z) (xor64(and64((x), (y)), and64(not64((x)), (z))))
#define Maj64(x,y,z) (xor64(xor64(and64((x), (y)), and64((x), (z))), and64((y), (z))))
/* Four of six logical functions used in SHA-256: */ /* Four of six logical functions used in SHA-256: */
#define Sigma0_256(x) (S32(2, (x)) ^ S32(13, (x)) ^ S32(22, (x))) #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 Sigma1_256(x) (S32(6, (x)) ^ S32(11, (x)) ^ S32(25, (x)))
@ -197,23 +185,25 @@ typedef u_int64_t sha2_word64; /* Exactly 8 bytes */
#define sigma1_256(x) (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x))) #define sigma1_256(x) (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x)))
/* Four of six logical functions used in SHA-384 and SHA-512: */ /* Four of six logical functions used in SHA-384 and SHA-512: */
#define Sigma0_512(x) (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x))) #define Sigma0_512(x) (xor64(xor64(S64(28, (x)), S64(34, (x))), S64(39, (x))))
#define Sigma1_512(x) (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x))) #define Sigma1_512(x) (xor64(xor64(S64(14, (x)), S64(18, (x))), S64(41, (x))))
#define sigma0_512(x) (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x))) #define sigma0_512(x) (xor64(xor64(S64( 1, (x)), S64( 8, (x))), R64( 7, (x))))
#define sigma1_512(x) (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x))) #define sigma1_512(x) (xor64(xor64(S64(19, (x)), S64(61, (x))), R64( 6, (x))))
/*** INTERNAL FUNCTION PROTOTYPES *************************************/ /*** INTERNAL FUNCTION PROTOTYPES *************************************/
/* NOTE: These should not be accessed directly from outside this /* NOTE: These should not be accessed directly from outside this
* library -- they are intended for private internal visibility/use * library -- they are intended for private internal visibility/use
* only. * only.
*/ */
void SHA512_Last(SHA512_CTX*); static void SHA512_Last(SHA512_CTX*);
void SHA256_Transform(SHA256_CTX*, const sha2_word32*); void SHA256_Transform(SHA256_CTX*, const sha2_word32*);
void SHA384_Transform(SHA384_CTX*, const sha2_word64*);
void SHA512_Transform(SHA512_CTX*, const sha2_word64*); void SHA512_Transform(SHA512_CTX*, const sha2_word64*);
/*** SHA-XYZ INITIAL HASH VALUES AND CONSTANTS ************************/ /*** SHA-XYZ INITIAL HASH VALUES AND CONSTANTS ************************/
/* Hash constant words K for SHA-256: */ /* Hash constant words K for SHA-256: */
const static sha2_word32 K256[64] = { static const sha2_word32 K256[64] = {
0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL,
0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, 0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL,
0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL, 0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL,
@ -233,7 +223,7 @@ const static sha2_word32 K256[64] = {
}; };
/* Initial hash value H for SHA-256: */ /* Initial hash value H for SHA-256: */
const static sha2_word32 sha256_initial_hash_value[8] = { static const sha2_word32 sha256_initial_hash_value[8] = {
0x6a09e667UL, 0x6a09e667UL,
0xbb67ae85UL, 0xbb67ae85UL,
0x3c6ef372UL, 0x3c6ef372UL,
@ -244,94 +234,81 @@ const static sha2_word32 sha256_initial_hash_value[8] = {
0x5be0cd19UL 0x5be0cd19UL
}; };
#if !NO_64BIT
/* Hash constant words K for SHA-384 and SHA-512: */ /* Hash constant words K for SHA-384 and SHA-512: */
const static sha2_word64 K512[80] = { const static sha2_word64 K512[80] = {
0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, {0xd728ae22UL, 0x428a2f98UL}, {0x23ef65cdUL, 0x71374491UL},
0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL, {0xec4d3b2fUL, 0xb5c0fbcfUL}, {0x8189dbbcUL, 0xe9b5dba5UL},
0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL, {0xf348b538UL, 0x3956c25bUL}, {0xb605d019UL, 0x59f111f1UL},
0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, {0xaf194f9bUL, 0x923f82a4UL}, {0xda6d8118UL, 0xab1c5ed5UL},
0xd807aa98a3030242ULL, 0x12835b0145706fbeULL, {0xa3030242UL, 0xd807aa98UL}, {0x45706fbeUL, 0x12835b01UL},
0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL, {0x4ee4b28cUL, 0x243185beUL}, {0xd5ffb4e2UL, 0x550c7dc3UL},
0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, {0xf27b896fUL, 0x72be5d74UL}, {0x3b1696b1UL, 0x80deb1feUL},
0x9bdc06a725c71235ULL, 0xc19bf174cf692694ULL, {0x25c71235UL, 0x9bdc06a7UL}, {0xcf692694UL, 0xc19bf174UL},
0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL, {0x9ef14ad2UL, 0xe49b69c1UL}, {0x384f25e3UL, 0xefbe4786UL},
0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, {0x8b8cd5b5UL, 0x0fc19dc6UL}, {0x77ac9c65UL, 0x240ca1ccUL},
0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL, {0x592b0275UL, 0x2de92c6fUL}, {0x6ea6e483UL, 0x4a7484aaUL},
0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL, {0xbd41fbd4UL, 0x5cb0a9dcUL}, {0x831153b5UL, 0x76f988daUL},
0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, {0xee66dfabUL, 0x983e5152UL}, {0x2db43210UL, 0xa831c66dUL},
0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL, {0x98fb213fUL, 0xb00327c8UL}, {0xbeef0ee4UL, 0xbf597fc7UL},
0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL, {0x3da88fc2UL, 0xc6e00bf3UL}, {0x930aa725UL, 0xd5a79147UL},
0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, {0xe003826fUL, 0x06ca6351UL}, {0x0a0e6e70UL, 0x14292967UL},
0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL, {0x46d22ffcUL, 0x27b70a85UL}, {0x5c26c926UL, 0x2e1b2138UL},
0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL, {0x5ac42aedUL, 0x4d2c6dfcUL}, {0x9d95b3dfUL, 0x53380d13UL},
0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, {0x8baf63deUL, 0x650a7354UL}, {0x3c77b2a8UL, 0x766a0abbUL},
0x81c2c92e47edaee6ULL, 0x92722c851482353bULL, {0x47edaee6UL, 0x81c2c92eUL}, {0x1482353bUL, 0x92722c85UL},
0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL, {0x4cf10364UL, 0xa2bfe8a1UL}, {0xbc423001UL, 0xa81a664bUL},
0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, {0xd0f89791UL, 0xc24b8b70UL}, {0x0654be30UL, 0xc76c51a3UL},
0xd192e819d6ef5218ULL, 0xd69906245565a910ULL, {0xd6ef5218UL, 0xd192e819UL}, {0x5565a910UL, 0xd6990624UL},
0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL, {0x5771202aUL, 0xf40e3585UL}, {0x32bbd1b8UL, 0x106aa070UL},
0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, {0xb8d2d0c8UL, 0x19a4c116UL}, {0x5141ab53UL, 0x1e376c08UL},
0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL, {0xdf8eeb99UL, 0x2748774cUL}, {0xe19b48a8UL, 0x34b0bcb5UL},
0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL, {0xc5c95a63UL, 0x391c0cb3UL}, {0xe3418acbUL, 0x4ed8aa4aUL},
0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, {0x7763e373UL, 0x5b9cca4fUL}, {0xd6b2b8a3UL, 0x682e6ff3UL},
0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL, {0x5defb2fcUL, 0x748f82eeUL}, {0x43172f60UL, 0x78a5636fUL},
0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL, {0xa1f0ab72UL, 0x84c87814UL}, {0x1a6439ecUL, 0x8cc70208UL},
0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, {0x23631e28UL, 0x90befffaUL}, {0xde82bde9UL, 0xa4506cebUL},
0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL, {0xb2c67915UL, 0xbef9a3f7UL}, {0xe372532bUL, 0xc67178f2UL},
0xca273eceea26619cULL, 0xd186b8c721c0c207ULL, {0xea26619cUL, 0xca273eceUL}, {0x21c0c207UL, 0xd186b8c7UL},
0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, {0xcde0eb1eUL, 0xeada7dd6UL}, {0xee6ed178UL, 0xf57d4f7fUL},
0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL, {0x72176fbaUL, 0x06f067aaUL}, {0xa2c898a6UL, 0x0a637dc5UL},
0x113f9804bef90daeULL, 0x1b710b35131c471bULL, {0xbef90daeUL, 0x113f9804UL}, {0x131c471bUL, 0x1b710b35UL},
0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, {0x23047d84UL, 0x28db77f5UL}, {0x40c72493UL, 0x32caab7bUL},
0x3c9ebe0a15c9bebcULL, 0x431d67c49c100d4cULL, {0x15c9bebcUL, 0x3c9ebe0aUL}, {0x9c100d4cUL, 0x431d67c4UL},
0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL, {0xcb3e42b6UL, 0x4cc5d4beUL}, {0xfc657e2aUL, 0x597f299cUL},
0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL {0x3ad6faecUL, 0x5fcb6fabUL}, {0x4a475817UL, 0x6c44198cUL}
}; };
/* Initial hash value H for SHA-384 */ /* Initial hash value H for SHA-384 */
const static sha2_word64 sha384_initial_hash_value[8] = { const static sha2_word64 sha384_initial_hash_value[8] = {
0xcbbb9d5dc1059ed8ULL, {0xc1059ed8UL, 0xcbbb9d5dUL},
0x629a292a367cd507ULL, {0x367cd507UL, 0x629a292aUL},
0x9159015a3070dd17ULL, {0x3070dd17UL, 0x9159015aUL},
0x152fecd8f70e5939ULL, {0xf70e5939UL, 0x152fecd8UL},
0x67332667ffc00b31ULL, {0xffc00b31UL, 0x67332667UL},
0x8eb44a8768581511ULL, {0x68581511UL, 0x8eb44a87UL},
0xdb0c2e0d64f98fa7ULL, {0x64f98fa7UL, 0xdb0c2e0dUL},
0x47b5481dbefa4fa4ULL {0xbefa4fa4UL, 0x47b5481dUL}
}; };
/* Initial hash value H for SHA-512 */
const static sha2_word64 sha512_initial_hash_value[8] = { const static sha2_word64 sha512_initial_hash_value[8] = {
0x6a09e667f3bcc908ULL, {0xf3bcc908UL, 0x6a09e667UL},
0xbb67ae8584caa73bULL, {0x84caa73bUL, 0xbb67ae85UL},
0x3c6ef372fe94f82bULL, {0xfe94f82bUL, 0x3c6ef372UL},
0xa54ff53a5f1d36f1ULL, {0x5f1d36f1UL, 0xa54ff53aUL},
0x510e527fade682d1ULL, {0xade682d1UL, 0x510e527fUL},
0x9b05688c2b3e6c1fULL, {0x2b3e6c1fUL, 0x9b05688cUL},
0x1f83d9abfb41bd6bULL, {0xfb41bd6bUL, 0x1f83d9abUL},
0x5be0cd19137e2179ULL {0x137e2179UL, 0x5be0cd19UL}
}; };
#endif /* !NO_64BIT */
/*
* Constant used by SHA256/384/512_End() functions for converting the
* digest to a readable hexadecimal character string:
*/
static const char *sha2_hex_digits = "0123456789abcdef";
/*** SHA-256: *********************************************************/ /*** SHA-256: *********************************************************/
void SHA256_Init(SHA256_CTX* context) { void SHA256_Init(SHA256_CTX* context) {
if (context == (SHA256_CTX*)0) { if (context == (SHA256_CTX*)0) {
return; return;
} }
bcopy(sha256_initial_hash_value, context->state, SHA256_DIGEST_LENGTH); memcpy(context->state, sha256_initial_hash_value, (size_t)(SHA256_DIGEST_LENGTH));
bzero(context->buffer, SHA256_BLOCK_LENGTH); memset(context->buffer, 0, (size_t)(SHA256_BLOCK_LENGTH));
#if MINIX_64BIT
context->bitcount = cvu64(0); context->bitcount = cvu64(0);
#else /* !MINIX_64BIT */
context->bitcount = 0;
#endif /* MINIX_64BIT */
} }
#ifdef SHA2_UNROLL_TRANSFORM #ifdef SHA2_UNROLL_TRANSFORM
@ -348,6 +325,7 @@ void SHA256_Init(SHA256_CTX* context) {
(h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \ (h) = T1 + Sigma0_256(a) + Maj((a), (b), (c)); \
j++ j++
#else /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */ #else /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */
#define ROUND256_0_TO_15(a,b,c,d,e,f,g,h) \ #define ROUND256_0_TO_15(a,b,c,d,e,f,g,h) \
@ -433,7 +411,7 @@ void SHA256_Transform(SHA256_CTX* context, const sha2_word32* data) {
sha2_word32 T1, T2, *W256; sha2_word32 T1, T2, *W256;
int j; int j;
W256 = (sha2_word32*)context->buffer; W256 = (sha2_word32*)(void *)context->buffer;
/* Initialize registers with the prev. intermediate value */ /* Initialize registers with the prev. intermediate value */
a = context->state[0]; a = context->state[0];
@ -530,7 +508,7 @@ void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) {
if (len >= freespace) { if (len >= freespace) {
/* Fill the buffer completely and process it */ /* Fill the buffer completely and process it */
bcopy(data, &context->buffer[usedspace], freespace); memcpy(&context->buffer[usedspace], data, (size_t)(freespace));
#if MINIX_64BIT #if MINIX_64BIT
context->bitcount= add64u(context->bitcount, context->bitcount= add64u(context->bitcount,
freespace << 3); freespace << 3);
@ -539,10 +517,10 @@ void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) {
#endif /* MINIX_64BIT */ #endif /* MINIX_64BIT */
len -= freespace; len -= freespace;
data += freespace; data += freespace;
SHA256_Transform(context, (sha2_word32*)context->buffer); SHA256_Transform(context, (sha2_word32*)(void *)context->buffer);
} else { } else {
/* The buffer is not yet full */ /* The buffer is not yet full */
bcopy(data, &context->buffer[usedspace], len); memcpy(&context->buffer[usedspace], data, len);
#if MINIX_64BIT #if MINIX_64BIT
context->bitcount= add64u(context->bitcount, len << 3); context->bitcount= add64u(context->bitcount, len << 3);
#else /* !MINIX_64BIT */ #else /* !MINIX_64BIT */
@ -553,9 +531,31 @@ void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) {
return; return;
} }
} }
/*
* Process as many complete blocks as possible.
*
* Check alignment of the data pointer. If it is 32bit aligned,
* SHA256_Transform can be called directly on the data stream,
* otherwise enforce the alignment by copy into the buffer.
*/
if ((uintptr_t)data % 4 == 0) {
while (len >= SHA256_BLOCK_LENGTH) { while (len >= SHA256_BLOCK_LENGTH) {
/* Process as many complete blocks as we can */ SHA256_Transform(context,
SHA256_Transform(context, (const sha2_word32*)data); (const sha2_word32 *)(const void *)data);
#if MINIX_64BIT
context->bitcount= add64u(context->bitcount,
SHA256_BLOCK_LENGTH << 3);
#else /* !MINIX_64BIT */
context->bitcount += SHA256_BLOCK_LENGTH << 3;
#endif /* !MINIX_64BIT */
len -= SHA256_BLOCK_LENGTH;
data += SHA256_BLOCK_LENGTH;
}
} else {
while (len >= SHA256_BLOCK_LENGTH) {
memcpy(context->buffer, data, SHA256_BLOCK_LENGTH);
SHA256_Transform(context,
(const sha2_word32 *)(const void *)context->buffer);
#if MINIX_64BIT #if MINIX_64BIT
context->bitcount= add64u(context->bitcount, context->bitcount= add64u(context->bitcount,
SHA256_BLOCK_LENGTH << 3); SHA256_BLOCK_LENGTH << 3);
@ -565,9 +565,10 @@ void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) {
len -= SHA256_BLOCK_LENGTH; len -= SHA256_BLOCK_LENGTH;
data += SHA256_BLOCK_LENGTH; data += SHA256_BLOCK_LENGTH;
} }
}
if (len > 0) { if (len > 0) {
/* There's left-overs, so save 'em */ /* There's left-overs, so save 'em */
bcopy(data, context->buffer, len); memcpy(context->buffer, data, len);
#if MINIX_64BIT #if MINIX_64BIT
context->bitcount= add64u(context->bitcount, len << 3); context->bitcount= add64u(context->bitcount, len << 3);
#else /* !MINIX_64BIT */ #else /* !MINIX_64BIT */
@ -579,7 +580,7 @@ void SHA256_Update(SHA256_CTX* context, const sha2_byte *data, size_t len) {
} }
void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) { void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) {
sha2_word32 *d = (sha2_word32*)digest; sha2_word32 *d = (void *)digest;
unsigned int usedspace; unsigned int usedspace;
/* Sanity check: */ /* Sanity check: */
@ -592,6 +593,7 @@ void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) {
#else /* !MINIX_64BIT */ #else /* !MINIX_64BIT */
usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH; usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
#endif /* MINIX_64BIT */ #endif /* MINIX_64BIT */
#if SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN #if SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN
/* Convert FROM host byte order */ /* Convert FROM host byte order */
REVERSE64(context->bitcount,context->bitcount); REVERSE64(context->bitcount,context->bitcount);
@ -602,29 +604,29 @@ void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) {
if (usedspace <= SHA256_SHORT_BLOCK_LENGTH) { if (usedspace <= SHA256_SHORT_BLOCK_LENGTH) {
/* Set-up for the last transform: */ /* Set-up for the last transform: */
bzero(&context->buffer[usedspace], SHA256_SHORT_BLOCK_LENGTH - usedspace); memset(&context->buffer[usedspace], 0, (size_t)(SHA256_SHORT_BLOCK_LENGTH - usedspace));
} else { } else {
if (usedspace < SHA256_BLOCK_LENGTH) { if (usedspace < SHA256_BLOCK_LENGTH) {
bzero(&context->buffer[usedspace], SHA256_BLOCK_LENGTH - usedspace); memset(&context->buffer[usedspace], 0, (size_t)(SHA256_BLOCK_LENGTH - usedspace));
} }
/* Do second-to-last transform: */ /* Do second-to-last transform: */
SHA256_Transform(context, (sha2_word32*)context->buffer); SHA256_Transform(context, (sha2_word32*)(void *)context->buffer);
/* And set-up for the last transform: */ /* And set-up for the last transform: */
bzero(context->buffer, SHA256_SHORT_BLOCK_LENGTH); memset(context->buffer, 0, (size_t)(SHA256_SHORT_BLOCK_LENGTH));
} }
} else { } else {
/* Set-up for the last transform: */ /* Set-up for the last transform: */
bzero(context->buffer, SHA256_SHORT_BLOCK_LENGTH); memset(context->buffer, 0, (size_t)(SHA256_SHORT_BLOCK_LENGTH));
/* Begin padding with a 1 bit: */ /* Begin padding with a 1 bit: */
*context->buffer = 0x80; *context->buffer = 0x80;
} }
/* Set the bit count: */ /* Set the bit count: */
*(sha2_word64*)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount; *(sha2_word64*)(void *)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount;
/* Final transform: */ /* Final transform: */
SHA256_Transform(context, (sha2_word32*)context->buffer); SHA256_Transform(context, (sha2_word32*)(void *)context->buffer);
#if SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN #if SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN
{ {
@ -636,56 +638,24 @@ void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) {
} }
} }
#else #else
bcopy(context->state, d, SHA256_DIGEST_LENGTH); memcpy(d, context->state, SHA256_DIGEST_LENGTH);
#endif #endif
} }
/* Clean up state data: */ /* Clean up state data: */
bzero(context, sizeof(context)); memset(context, 0, sizeof(*context));
usedspace = 0; usedspace = 0;
} }
char *SHA256_End(SHA256_CTX* context, char buffer[]) {
sha2_byte digest[SHA256_DIGEST_LENGTH], *d = digest;
int i;
/* Sanity check: */
assert(context != (SHA256_CTX*)0);
if (buffer != (char*)0) {
SHA256_Final(digest, context);
for (i = 0; i < SHA256_DIGEST_LENGTH; i++) {
*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
*buffer++ = sha2_hex_digits[*d & 0x0f];
d++;
}
*buffer = (char)0;
} else {
bzero(context, sizeof(context));
}
bzero(digest, SHA256_DIGEST_LENGTH);
return buffer;
}
char* SHA256_Data(const sha2_byte* data, size_t len, char digest[SHA256_DIGEST_STRING_LENGTH]) {
SHA256_CTX context;
SHA256_Init(&context);
SHA256_Update(&context, data, len);
return SHA256_End(&context, digest);
}
#if !NO_64BIT
/*** SHA-512: *********************************************************/ /*** SHA-512: *********************************************************/
void SHA512_Init(SHA512_CTX* context) { void SHA512_Init(SHA512_CTX* context) {
if (context == (SHA512_CTX*)0) { if (context == (SHA512_CTX*)0) {
return; return;
} }
bcopy(sha512_initial_hash_value, context->state, SHA512_DIGEST_LENGTH); memcpy(context->state, sha512_initial_hash_value, (size_t)(SHA512_DIGEST_LENGTH));
bzero(context->buffer, SHA512_BLOCK_LENGTH); memset(context->buffer, 0, (size_t)(SHA512_BLOCK_LENGTH));
context->bitcount[0] = context->bitcount[1] = 0; make_zero64(context->bitcount[0]);
make_zero64(context->bitcount[1]);
} }
#ifdef SHA2_UNROLL_TRANSFORM #ifdef SHA2_UNROLL_TRANSFORM
@ -701,6 +671,7 @@ void SHA512_Init(SHA512_CTX* context) {
(h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)), \ (h) = T1 + Sigma0_512(a) + Maj((a), (b), (c)), \
j++ j++
#else /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */ #else /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */
#define ROUND512_0_TO_15(a,b,c,d,e,f,g,h) \ #define ROUND512_0_TO_15(a,b,c,d,e,f,g,h) \
@ -780,7 +751,7 @@ void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) { void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
sha2_word64 a, b, c, d, e, f, g, h, s0, s1; sha2_word64 a, b, c, d, e, f, g, h, s0, s1;
sha2_word64 T1, T2, *W512 = (sha2_word64*)context->buffer; sha2_word64 T1, T2, *W512 = (void *)context->buffer;
int j; int j;
/* Initialize registers with the prev. intermediate value */ /* Initialize registers with the prev. intermediate value */
@ -798,21 +769,21 @@ void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
#if SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN #if SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN
/* Convert TO host byte order */ /* Convert TO host byte order */
REVERSE64(*data++, W512[j]); REVERSE64(*data++, W512[j]);
/* Apply the SHA-512 compression function to update a..h */
T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + W512[j];
#else /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */ #else /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */
/* Apply the SHA-512 compression function to update a..h with copy */ W512[j] = *data++;
T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + (W512[j] = *data++);
#endif /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */ #endif /* SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN */
T2 = Sigma0_512(a) + Maj(a, b, c); /* Apply the SHA-512 compression function to update a..h */
T1 = add64(add64(add64(add64(h, Sigma1_512(e)), Ch64(e, f, g)), K512[j]), W512[j]);
T2 = add64(Sigma0_512(a), Maj64(a, b, c));
h = g; h = g;
g = f; g = f;
f = e; f = e;
e = d + T1; e = add64(d, T1);
d = c; d = c;
c = b; c = b;
b = a; b = a;
a = T1 + T2; a = add64(T1, T2);
j++; j++;
} while (j < 16); } while (j < 16);
@ -825,33 +796,33 @@ void SHA512_Transform(SHA512_CTX* context, const sha2_word64* data) {
s1 = sigma1_512(s1); s1 = sigma1_512(s1);
/* Apply the SHA-512 compression function to update a..h */ /* Apply the SHA-512 compression function to update a..h */
T1 = h + Sigma1_512(e) + Ch(e, f, g) + K512[j] + W512[j&0x0f] = add64(add64(add64(W512[j&0x0f], s1), W512[(j+9)&0x0f]), s0);
(W512[j&0x0f] += s1 + W512[(j+9)&0x0f] + s0); T1 = add64(add64(add64(add64(h, Sigma1_512(e)), Ch64(e, f, g)), K512[j]), W512[j&0x0f]);
T2 = Sigma0_512(a) + Maj(a, b, c); T2 = add64(Sigma0_512(a), Maj64(a, b, c));
h = g; h = g;
g = f; g = f;
f = e; f = e;
e = d + T1; e = add64(d, T1);
d = c; d = c;
c = b; c = b;
b = a; b = a;
a = T1 + T2; a = add64(T1, T2);
j++; j++;
} while (j < 80); } while (j < 80);
/* Compute the current intermediate hash value */ /* Compute the current intermediate hash value */
context->state[0] += a; context->state[0] = add64(context->state[0], a);
context->state[1] += b; context->state[1] = add64(context->state[1], b);
context->state[2] += c; context->state[2] = add64(context->state[2], c);
context->state[3] += d; context->state[3] = add64(context->state[3], d);
context->state[4] += e; context->state[4] = add64(context->state[4], e);
context->state[5] += f; context->state[5] = add64(context->state[5], f);
context->state[6] += g; context->state[6] = add64(context->state[6], g);
context->state[7] += h; context->state[7] = add64(context->state[7], h);
/* Clean up */ /* Clean up */
a = b = c = d = e = f = g = h = T1 = T2 = 0; a = b = c = d = e = f = g = h = T1 = T2 = cvu64(0);
} }
#endif /* SHA2_UNROLL_TRANSFORM */ #endif /* SHA2_UNROLL_TRANSFORM */
@ -867,47 +838,65 @@ void SHA512_Update(SHA512_CTX* context, const sha2_byte *data, size_t len) {
/* Sanity check: */ /* Sanity check: */
assert(context != (SHA512_CTX*)0 && data != (sha2_byte*)0); assert(context != (SHA512_CTX*)0 && data != (sha2_byte*)0);
usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH; usedspace = (unsigned int)rem64u(rshift64(context->bitcount[0], 3), SHA512_BLOCK_LENGTH);
if (usedspace > 0) { if (usedspace > 0) {
/* Calculate how much free space is available in the buffer */ /* Calculate how much free space is available in the buffer */
freespace = SHA512_BLOCK_LENGTH - usedspace; freespace = SHA512_BLOCK_LENGTH - usedspace;
if (len >= freespace) { if (len >= freespace) {
/* Fill the buffer completely and process it */ /* Fill the buffer completely and process it */
bcopy(data, &context->buffer[usedspace], freespace); memcpy(&context->buffer[usedspace], data, (size_t)(freespace));
ADDINC128(context->bitcount, freespace << 3); ADDINC128(context->bitcount, freespace << 3);
len -= freespace; len -= freespace;
data += freespace; data += freespace;
SHA512_Transform(context, (sha2_word64*)context->buffer); SHA512_Transform(context, (sha2_word64*)(void *)context->buffer);
} else { } else {
/* The buffer is not yet full */ /* The buffer is not yet full */
bcopy(data, &context->buffer[usedspace], len); memcpy(&context->buffer[usedspace], data, len);
ADDINC128(context->bitcount, len << 3); ADDINC128(context->bitcount, len << 3);
/* Clean up: */ /* Clean up: */
usedspace = freespace = 0; usedspace = freespace = 0;
return; return;
} }
} }
/*
* Process as many complete blocks as possible.
*
* Check alignment of the data pointer. If it is 64bit aligned,
* SHA512_Transform can be called directly on the data stream,
* otherwise enforce the alignment by copy into the buffer.
*/
if ((uintptr_t)data % 8 == 0) {
while (len >= SHA512_BLOCK_LENGTH) { while (len >= SHA512_BLOCK_LENGTH) {
/* Process as many complete blocks as we can */ SHA512_Transform(context,
SHA512_Transform(context, (const sha2_word64*)data); (const sha2_word64 *)(const void *)data);
ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3); ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3);
len -= SHA512_BLOCK_LENGTH; len -= SHA512_BLOCK_LENGTH;
data += SHA512_BLOCK_LENGTH; data += SHA512_BLOCK_LENGTH;
} }
} else {
while (len >= SHA512_BLOCK_LENGTH) {
memcpy(context->buffer, data, SHA512_BLOCK_LENGTH);
SHA512_Transform(context,
(const sha2_word64 *)(void *)context->buffer);
ADDINC128(context->bitcount, SHA512_BLOCK_LENGTH << 3);
len -= SHA512_BLOCK_LENGTH;
data += SHA512_BLOCK_LENGTH;
}
}
if (len > 0) { if (len > 0) {
/* There's left-overs, so save 'em */ /* There's left-overs, so save 'em */
bcopy(data, context->buffer, len); memcpy(context->buffer, data, len);
ADDINC128(context->bitcount, len << 3); ADDINC128(context->bitcount, len << 3);
} }
/* Clean up: */ /* Clean up: */
usedspace = freespace = 0; usedspace = freespace = 0;
} }
void SHA512_Last(SHA512_CTX* context) { static void SHA512_Last(SHA512_CTX* context) {
unsigned int usedspace; unsigned int usedspace;
usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH; usedspace = rem64u(rshift64(context->bitcount[0], 3), SHA512_BLOCK_LENGTH);
#if SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN #if SHA2_BYTE_ORDER == SHA2_LITTLE_ENDIAN
/* Convert FROM host byte order */ /* Convert FROM host byte order */
REVERSE64(context->bitcount[0],context->bitcount[0]); REVERSE64(context->bitcount[0],context->bitcount[0]);
@ -919,34 +908,34 @@ void SHA512_Last(SHA512_CTX* context) {
if (usedspace <= SHA512_SHORT_BLOCK_LENGTH) { if (usedspace <= SHA512_SHORT_BLOCK_LENGTH) {
/* Set-up for the last transform: */ /* Set-up for the last transform: */
bzero(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH - usedspace); memset(&context->buffer[usedspace], 0, (size_t)(SHA512_SHORT_BLOCK_LENGTH - usedspace));
} else { } else {
if (usedspace < SHA512_BLOCK_LENGTH) { if (usedspace < SHA512_BLOCK_LENGTH) {
bzero(&context->buffer[usedspace], SHA512_BLOCK_LENGTH - usedspace); memset(&context->buffer[usedspace], 0, (size_t)(SHA512_BLOCK_LENGTH - usedspace));
} }
/* Do second-to-last transform: */ /* Do second-to-last transform: */
SHA512_Transform(context, (sha2_word64*)context->buffer); SHA512_Transform(context, (sha2_word64*)(void *)context->buffer);
/* And set-up for the last transform: */ /* And set-up for the last transform: */
bzero(context->buffer, SHA512_BLOCK_LENGTH - 2); memset(context->buffer, 0, (size_t)(SHA512_BLOCK_LENGTH - 2));
} }
} else { } else {
/* Prepare for final transform: */ /* Prepare for final transform: */
bzero(context->buffer, SHA512_SHORT_BLOCK_LENGTH); memset(context->buffer, 0, (size_t)(SHA512_SHORT_BLOCK_LENGTH));
/* Begin padding with a 1 bit: */ /* Begin padding with a 1 bit: */
*context->buffer = 0x80; *context->buffer = 0x80;
} }
/* Store the length of input data (in bits): */ /* Store the length of input data (in bits): */
*(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH] = context->bitcount[1]; *(sha2_word64*)(void *)&context->buffer[SHA512_SHORT_BLOCK_LENGTH] = context->bitcount[1];
*(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0]; *(sha2_word64*)(void *)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0];
/* Final transform: */ /* Final transform: */
SHA512_Transform(context, (sha2_word64*)context->buffer); SHA512_Transform(context, (sha2_word64*)(void *)context->buffer);
} }
void SHA512_Final(sha2_byte digest[], SHA512_CTX* context) { void SHA512_Final(sha2_byte digest[], SHA512_CTX* context) {
sha2_word64 *d = (sha2_word64*)digest; sha2_word64 *d = (void *)digest;
/* Sanity check: */ /* Sanity check: */
assert(context != (SHA512_CTX*)0); assert(context != (SHA512_CTX*)0);
@ -966,43 +955,12 @@ void SHA512_Final(sha2_byte digest[], SHA512_CTX* context) {
} }
} }
#else #else
bcopy(context->state, d, SHA512_DIGEST_LENGTH); memcpy(d, context->state, SHA512_DIGEST_LENGTH);
#endif #endif
} }
/* Zero out state data */ /* Zero out state data */
bzero(context, sizeof(context)); memset(context, 0, sizeof(*context));
}
char *SHA512_End(SHA512_CTX* context, char buffer[]) {
sha2_byte digest[SHA512_DIGEST_LENGTH], *d = digest;
int i;
/* Sanity check: */
assert(context != (SHA512_CTX*)0);
if (buffer != (char*)0) {
SHA512_Final(digest, context);
for (i = 0; i < SHA512_DIGEST_LENGTH; i++) {
*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
*buffer++ = sha2_hex_digits[*d & 0x0f];
d++;
}
*buffer = (char)0;
} else {
bzero(context, sizeof(context));
}
bzero(digest, SHA512_DIGEST_LENGTH);
return buffer;
}
char* SHA512_Data(const sha2_byte* data, size_t len, char digest[SHA512_DIGEST_STRING_LENGTH]) {
SHA512_CTX context;
SHA512_Init(&context);
SHA512_Update(&context, data, len);
return SHA512_End(&context, digest);
} }
/*** SHA-384: *********************************************************/ /*** SHA-384: *********************************************************/
@ -1010,17 +968,22 @@ void SHA384_Init(SHA384_CTX* context) {
if (context == (SHA384_CTX*)0) { if (context == (SHA384_CTX*)0) {
return; return;
} }
bcopy(sha384_initial_hash_value, context->state, SHA512_DIGEST_LENGTH); memcpy(context->state, sha384_initial_hash_value, (size_t)(SHA512_DIGEST_LENGTH));
bzero(context->buffer, SHA384_BLOCK_LENGTH); memset(context->buffer, 0, (size_t)(SHA384_BLOCK_LENGTH));
context->bitcount[0] = context->bitcount[1] = 0; make_zero64(context->bitcount[0]);
make_zero64(context->bitcount[1]);
} }
void SHA384_Update(SHA384_CTX* context, const sha2_byte* data, size_t len) { void SHA384_Update(SHA384_CTX* context, const sha2_byte* data, size_t len) {
SHA512_Update((SHA512_CTX*)context, data, len); SHA512_Update((SHA512_CTX*)context, data, len);
} }
void SHA384_Transform(SHA512_CTX* context, const sha2_word64* data) {
SHA512_Transform((SHA512_CTX*)context, data);
}
void SHA384_Final(sha2_byte digest[], SHA384_CTX* context) { void SHA384_Final(sha2_byte digest[], SHA384_CTX* context) {
sha2_word64 *d = (sha2_word64*)digest; sha2_word64 *d = (void *)digest;
/* Sanity check: */ /* Sanity check: */
assert(context != (SHA384_CTX*)0); assert(context != (SHA384_CTX*)0);
@ -1040,47 +1003,10 @@ void SHA384_Final(sha2_byte digest[], SHA384_CTX* context) {
} }
} }
#else #else
bcopy(context->state, d, SHA384_DIGEST_LENGTH); memcpy(d, context->state, SHA384_DIGEST_LENGTH);
#endif #endif
} }
/* Zero out state data */ /* Zero out state data */
bzero(context, sizeof(context)); memset(context, 0, sizeof(*context));
} }
char *SHA384_End(SHA384_CTX* context, char buffer[]) {
sha2_byte digest[SHA384_DIGEST_LENGTH], *d = digest;
int i;
/* Sanity check: */
assert(context != (SHA384_CTX*)0);
if (buffer != (char*)0) {
SHA384_Final(digest, context);
for (i = 0; i < SHA384_DIGEST_LENGTH; i++) {
*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
*buffer++ = sha2_hex_digits[*d & 0x0f];
d++;
}
*buffer = (char)0;
} else {
bzero(context, sizeof(context));
}
bzero(digest, SHA384_DIGEST_LENGTH);
return buffer;
}
char* SHA384_Data(const sha2_byte* data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH]) {
SHA384_CTX context;
SHA384_Init(&context);
SHA384_Update(&context, data, len);
return SHA384_End(&context, digest);
}
#endif /* !NO_64BIT */
/*
* $PchId: sha2.c,v 1.1 2005/06/28 14:29:23 philip Exp $
*/

493
lib/libutil/sha2hl.c Normal file
View File

@ -0,0 +1,493 @@
/* $NetBSD: sha2hl.c,v 1.7 2007/07/31 13:17:34 joerg Exp $ */
/*
* sha2hl.c
* This code includes some functions taken from sha2.c, hence the
* following licence reproduction.
*
* This code is not a verbatim copy, since some routines have been added,
* and some bugs have been fixed.
*
* Version 1.0.0beta1
*
* Written by Aaron D. Gifford <me@aarongifford.com>
*
* Copyright 2000 Aaron D. Gifford. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <errno.h>
#include <fcntl.h>
#include <assert.h>
#include <minix/sha2.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#ifndef _DIAGASSERT
#define _DIAGASSERT(cond) assert(cond)
#endif
#ifndef MEMSET_BZERO
#define MEMSET_BZERO(p,l) memset((p), 0, (l))
#endif
/*
* Constant used by SHA256/384/512_End() functions for converting the
* digest to a readable hexadecimal character string:
*/
static const char sha2_hex_digits[] = "0123456789abcdef";
char *
SHA256_File(char *filename, char *buf)
{
unsigned char buffer[SHA256_DIGEST_STRING_LENGTH];
SHA256_CTX ctx;
int fd, num, oerrno;
_DIAGASSERT(filename != NULL);
/* XXX: buf may be NULL ? */
SHA256_Init(&ctx);
if ((fd = open(filename, O_RDONLY)) < 0)
return (0);
while ((num = read(fd, buffer, sizeof(buffer))) > 0)
SHA256_Update(&ctx, buffer, (size_t) num);
oerrno = errno;
close(fd);
errno = oerrno;
return (num < 0 ? 0 : SHA256_End(&ctx, buf));
}
char *
SHA256_End(SHA256_CTX *ctx, char buffer[SHA256_DIGEST_STRING_LENGTH])
{
unsigned char digest[SHA256_DIGEST_LENGTH], *d = digest;
unsigned char *ret;
int i;
/* Sanity check: */
assert(ctx != NULL);
if ((ret = (unsigned char *)buffer) != NULL) {
SHA256_Final(digest, ctx);
for (i = 0; i < SHA256_DIGEST_LENGTH; i++) {
*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
*buffer++ = sha2_hex_digits[*d & 0x0f];
d++;
}
*buffer = (char) 0;
} else {
(void) MEMSET_BZERO(ctx, sizeof(SHA256_CTX));
}
(void) MEMSET_BZERO(digest, SHA256_DIGEST_LENGTH);
return (char *)ret;
}
char *
SHA256_Data(const uint8_t * data, size_t len, unsigned char digest[SHA256_DIGEST_STRING_LENGTH])
{
SHA256_CTX ctx;
SHA256_Init(&ctx);
SHA256_Update(&ctx, data, len);
return SHA256_End(&ctx, (char *)digest);
}
char *
SHA384_File(char *filename, char *buf)
{
SHA384_CTX ctx;
unsigned char buffer[SHA384_DIGEST_STRING_LENGTH];
int fd, num, oerrno;
_DIAGASSERT(filename != NULL);
/* XXX: buf may be NULL ? */
SHA384_Init(&ctx);
if ((fd = open(filename, O_RDONLY)) < 0)
return (0);
while ((num = read(fd, buffer, sizeof(buffer))) > 0)
SHA384_Update(&ctx, buffer, (size_t) num);
oerrno = errno;
close(fd);
errno = oerrno;
return (num < 0 ? 0 : SHA384_End(&ctx, buf));
}
char *
SHA384_End(SHA384_CTX * ctx, char buffer[SHA384_DIGEST_STRING_LENGTH])
{
unsigned char digest[SHA384_DIGEST_LENGTH], *d = digest;
unsigned char *ret;
int i;
/* Sanity check: */
assert(ctx != NULL);
if ((ret = (unsigned char *)buffer) != NULL) {
SHA384_Final(digest, ctx);
for (i = 0; i < SHA384_DIGEST_LENGTH; i++) {
*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
*buffer++ = sha2_hex_digits[*d & 0x0f];
d++;
}
*buffer = (char) 0;
} else {
(void) MEMSET_BZERO(ctx, sizeof(SHA384_CTX));
}
(void) MEMSET_BZERO(digest, SHA384_DIGEST_LENGTH);
return (char *)ret;
}
char *
SHA384_Data(const uint8_t* data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH])
{
SHA384_CTX ctx;
SHA384_Init(&ctx);
SHA384_Update(&ctx, data, len);
return SHA384_End(&ctx, digest);
}
char *
SHA512_File(char *filename, char *buf)
{
SHA512_CTX ctx;
unsigned char buffer[SHA512_DIGEST_STRING_LENGTH];
int fd, num, oerrno;
_DIAGASSERT(filename != NULL);
/* XXX: buf may be NULL ? */
SHA512_Init(&ctx);
if ((fd = open(filename, O_RDONLY)) < 0)
return (0);
while ((num = read(fd, buffer, sizeof(buffer))) > 0)
SHA512_Update(&ctx, buffer, (size_t) num);
oerrno = errno;
close(fd);
errno = oerrno;
return (num < 0 ? 0 : SHA512_End(&ctx, buf));
}
char *
SHA512_End(SHA512_CTX * ctx, char buffer[SHA512_DIGEST_STRING_LENGTH])
{
unsigned char digest[SHA512_DIGEST_LENGTH], *d = digest;
unsigned char *ret;
int i;
/* Sanity check: */
assert(ctx != NULL);
if ((ret = (unsigned char *)buffer) != NULL) {
SHA512_Final(digest, ctx);
for (i = 0; i < SHA512_DIGEST_LENGTH; i++) {
*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
*buffer++ = sha2_hex_digits[*d & 0x0f];
d++;
}
*buffer = (char) 0;
} else {
(void) MEMSET_BZERO(ctx, sizeof(SHA512_CTX));
}
(void) MEMSET_BZERO(digest, SHA512_DIGEST_LENGTH);
return (char *)ret;
}
char *
SHA512_Data(const uint8_t * data, size_t len, char *digest)
{
SHA512_CTX ctx;
SHA512_Init(&ctx);
SHA512_Update(&ctx, data, len);
return SHA512_End(&ctx, digest);
}
/* $NetBSD: sha2hl.c,v 1.7 2007/07/31 13:17:34 joerg Exp $ */
/*
* sha2hl.c
* This code includes some functions taken from sha2.c, hence the
* following licence reproduction.
*
* This code is not a verbatim copy, since some routines have been added,
* and some bugs have been fixed.
*
* Version 1.0.0beta1
*
* Written by Aaron D. Gifford <me@aarongifford.com>
*
* Copyright 2000 Aaron D. Gifford. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <errno.h>
#include <fcntl.h>
#include <assert.h>
#include <minix/sha2.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#ifndef _DIAGASSERT
#define _DIAGASSERT(cond) assert(cond)
#endif
#ifndef MEMSET_BZERO
#define MEMSET_BZERO(p,l) memset((p), 0, (l))
#endif
/*
* Constant used by SHA256/384/512_End() functions for converting the
* digest to a readable hexadecimal character string:
*/
static const char sha2_hex_digits[] = "0123456789abcdef";
char *
SHA256_File(char *filename, char *buf)
{
unsigned char buffer[SHA256_DIGEST_STRING_LENGTH];
SHA256_CTX ctx;
int fd, num, oerrno;
_DIAGASSERT(filename != NULL);
/* XXX: buf may be NULL ? */
SHA256_Init(&ctx);
if ((fd = open(filename, O_RDONLY)) < 0)
return (0);
while ((num = read(fd, buffer, sizeof(buffer))) > 0)
SHA256_Update(&ctx, buffer, (size_t) num);
oerrno = errno;
close(fd);
errno = oerrno;
return (num < 0 ? 0 : SHA256_End(&ctx, buf));
}
char *
SHA256_End(SHA256_CTX *ctx, char buffer[SHA256_DIGEST_STRING_LENGTH])
{
unsigned char digest[SHA256_DIGEST_LENGTH], *d = digest;
unsigned char *ret;
int i;
/* Sanity check: */
assert(ctx != NULL);
if ((ret = (unsigned char *)buffer) != NULL) {
SHA256_Final(digest, ctx);
for (i = 0; i < SHA256_DIGEST_LENGTH; i++) {
*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
*buffer++ = sha2_hex_digits[*d & 0x0f];
d++;
}
*buffer = (char) 0;
} else {
(void) MEMSET_BZERO(ctx, sizeof(SHA256_CTX));
}
(void) MEMSET_BZERO(digest, SHA256_DIGEST_LENGTH);
return (char *)ret;
}
char *
SHA256_Data(const uint8_t * data, size_t len, unsigned char digest[SHA256_DIGEST_STRING_LENGTH])
{
SHA256_CTX ctx;
SHA256_Init(&ctx);
SHA256_Update(&ctx, data, len);
return SHA256_End(&ctx, (char *)digest);
}
char *
SHA384_File(char *filename, char *buf)
{
SHA384_CTX ctx;
unsigned char buffer[SHA384_DIGEST_STRING_LENGTH];
int fd, num, oerrno;
_DIAGASSERT(filename != NULL);
/* XXX: buf may be NULL ? */
SHA384_Init(&ctx);
if ((fd = open(filename, O_RDONLY)) < 0)
return (0);
while ((num = read(fd, buffer, sizeof(buffer))) > 0)
SHA384_Update(&ctx, buffer, (size_t) num);
oerrno = errno;
close(fd);
errno = oerrno;
return (num < 0 ? 0 : SHA384_End(&ctx, buf));
}
char *
SHA384_End(SHA384_CTX * ctx, char buffer[SHA384_DIGEST_STRING_LENGTH])
{
unsigned char digest[SHA384_DIGEST_LENGTH], *d = digest;
unsigned char *ret;
int i;
/* Sanity check: */
assert(ctx != NULL);
if ((ret = (unsigned char *)buffer) != NULL) {
SHA384_Final(digest, ctx);
for (i = 0; i < SHA384_DIGEST_LENGTH; i++) {
*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
*buffer++ = sha2_hex_digits[*d & 0x0f];
d++;
}
*buffer = (char) 0;
} else {
(void) MEMSET_BZERO(ctx, sizeof(SHA384_CTX));
}
(void) MEMSET_BZERO(digest, SHA384_DIGEST_LENGTH);
return (char *)ret;
}
char *
SHA384_Data(const uint8_t* data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH])
{
SHA384_CTX ctx;
SHA384_Init(&ctx);
SHA384_Update(&ctx, data, len);
return SHA384_End(&ctx, digest);
}
char *
SHA512_File(char *filename, char *buf)
{
SHA512_CTX ctx;
unsigned char buffer[SHA512_DIGEST_STRING_LENGTH];
int fd, num, oerrno;
_DIAGASSERT(filename != NULL);
/* XXX: buf may be NULL ? */
SHA512_Init(&ctx);
if ((fd = open(filename, O_RDONLY)) < 0)
return (0);
while ((num = read(fd, buffer, sizeof(buffer))) > 0)
SHA512_Update(&ctx, buffer, (size_t) num);
oerrno = errno;
close(fd);
errno = oerrno;
return (num < 0 ? 0 : SHA512_End(&ctx, buf));
}
char *
SHA512_End(SHA512_CTX * ctx, char buffer[SHA512_DIGEST_STRING_LENGTH])
{
unsigned char digest[SHA512_DIGEST_LENGTH], *d = digest;
unsigned char *ret;
int i;
/* Sanity check: */
assert(ctx != NULL);
if ((ret = (unsigned char *)buffer) != NULL) {
SHA512_Final(digest, ctx);
for (i = 0; i < SHA512_DIGEST_LENGTH; i++) {
*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
*buffer++ = sha2_hex_digits[*d & 0x0f];
d++;
}
*buffer = (char) 0;
} else {
(void) MEMSET_BZERO(ctx, sizeof(SHA512_CTX));
}
(void) MEMSET_BZERO(digest, SHA512_DIGEST_LENGTH);
return (char *)ret;
}
char *
SHA512_Data(const uint8_t * data, size_t len, char *digest)
{
SHA512_CTX ctx;
SHA512_Init(&ctx);
SHA512_Update(&ctx, data, len);
return SHA512_End(&ctx, digest);
}