sha1.c File Reference

Local implementation of the SHA1 hashing scheme. More...

#include <freeradius-devel/util/sha1.h>

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Macros
#define	blk(i)
#define	blk0(i)   (block->l[i] = htonl(block->l[i]))
#define	R0(v, w, x, y, z, i)   do { z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30); } while (0)
#define	R1(v, w, x, y, z, i)   do { z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30); } while (0)
#define	R2(v, w, x, y, z, i)   do { z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30); } while (0)
#define	R3(v, w, x, y, z, i)   do { z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30); } while (0)
#define	R4(v, w, x, y, z, i)   do { z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30); } while (0)
#define	rol(value, bits)   (((value) << (bits)) | ((value) >> (32 - (bits))))

Functions
void	fr_sha1_final (uint8_t digest[static SHA1_DIGEST_LENGTH], fr_sha1_ctx *context)
void	fr_sha1_final_no_len (uint8_t digest[static SHA1_DIGEST_LENGTH], fr_sha1_ctx *context)
void	fr_sha1_init (fr_sha1_ctx *context)
void	fr_sha1_transform (uint32_t state[static 5], uint8_t const buffer[static 64])
void	fr_sha1_update (fr_sha1_ctx *context, uint8_t const *in, size_t len)

Detailed Description

Local implementation of the SHA1 hashing scheme.

SHA-1 in C 100% Public Domain

Author

Steve Reid (steve.nosp@m.@edm.nosp@m.web.c.nosp@m.om)

Definition in file sha1.c.

Macro Definition Documentation

blk

#define blk

(

i

)

Value:

    (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
    ^block->l[(i+2)&15]^block->l[i&15],1))

Definition at line 22 of file sha1.c.

blk0

#define blk0

(

i

)

(block->l[i] = htonl(block->l[i]))

Definition at line 20 of file sha1.c.

R0

#define R0	(		v,
			w,
			x,
			y,
			z,
			i
	)		do { z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30); } while (0)

Definition at line 26 of file sha1.c.

R1

#define R1	(		v,
			w,
			x,
			y,
			z,
			i
	)		do { z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30); } while (0)

Definition at line 27 of file sha1.c.

R2

#define R2	(		v,
			w,
			x,
			y,
			z,
			i
	)		do { z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30); } while (0)

Definition at line 28 of file sha1.c.

R3

#define R3	(		v,
			w,
			x,
			y,
			z,
			i
	)		do { z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30); } while (0)

Definition at line 29 of file sha1.c.

R4

#define R4	(		v,
			w,
			x,
			y,
			z,
			i
	)		do { z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30); } while (0)

Definition at line 30 of file sha1.c.

rol

#define rol	(		value,
			bits
	)		(((value) << (bits)) | ((value) >> (32 - (bits))))

Definition at line 15 of file sha1.c.

Function Documentation

fr_sha1_final()

void fr_sha1_final	(	uint8_t	digest[static SHA1_DIGEST_LENGTH],
		fr_sha1_ctx *	context
	)

Definition at line 141 of file sha1.c.

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fr_sha1_final_no_len()

void fr_sha1_final_no_len	(	uint8_t	digest[static SHA1_DIGEST_LENGTH],
		fr_sha1_ctx *	context
	)

Definition at line 174 of file sha1.c.

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fr_sha1_init()

void fr_sha1_init

(

fr_sha1_ctx *

context

)

Definition at line 93 of file sha1.c.

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fr_sha1_transform()

void fr_sha1_transform	(	uint32_t	state[static 5],
		uint8_t const	buffer[static 64]
	)

Definition at line 35 of file sha1.c.

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fr_sha1_update()

void fr_sha1_update	(	fr_sha1_ctx *	context,
		uint8_t const *	in,
		size_t	len
	)

Definition at line 105 of file sha1.c.

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