Macros
#define	SHA1HANDSOFF 1 /* Copies data before messing with it. */

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

#define	blk0(i)

#define	blk(i)

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

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

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

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

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

Functions
void	ldns_sha1_transform (uint32_t state[5], const unsigned char buffer[64])

void	ldns_sha1_init (ldns_sha1_ctx *context)

void	ldns_sha1_update (ldns_sha1_ctx context, const unsigned char data, unsigned int len)

void	ldns_sha1_final (unsigned char digest[20], ldns_sha1_ctx *context)

unsigned char *	ldns_sha1 (const unsigned char data, unsigned int data_len, unsigned char digest)
	Convenience function to digest a fixed block of data at once. More...

Macro Definition Documentation

◆ SHA1HANDSOFF

#define SHA1HANDSOFF 1 /* Copies data before messing with it. */

Definition at line 23 of file sha1.c.

◆ rol

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

Definition at line 24 of file sha1.c.

◆ blk0

#define blk0 ( i )

Value:

(block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \

|(rol(block->l[i],8)&0x00FF00FF))

rol

#define rol(value, bits)

Definition: sha1.c:24

Definition at line 29 of file sha1.c.

◆ 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 34 of file sha1.c.

◆ R0

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

Definition at line 38 of file sha1.c.

◆ R1

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

Definition at line 39 of file sha1.c.

◆ R2

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

Definition at line 40 of file sha1.c.

◆ R3

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

Definition at line 41 of file sha1.c.

◆ R4

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

Definition at line 42 of file sha1.c.

Function Documentation

◆ ldns_sha1_transform()

void ldns_sha1_transform	(	uint32_t	state[5],
		const unsigned char	buffer[64]
	)

Definition at line 47 of file sha1.c.

References LDNS_SHA1_BLOCK_LENGTH, R0, R1, R2, R3, and R4.

◆ ldns_sha1_init()

void ldns_sha1_init ( ldns_sha1_ctx * context )

Definition at line 107 of file sha1.c.

References ldns_sha1_ctx::count, and ldns_sha1_ctx::state.

◆ ldns_sha1_update()

void ldns_sha1_update	(	ldns_sha1_ctx *	context,
		const unsigned char *	data,
		unsigned int	len
	)

Definition at line 122 of file sha1.c.

References ldns_sha1_ctx::buffer, ldns_sha1_ctx::count, ldns_sha1_transform(), and ldns_sha1_ctx::state.

◆ ldns_sha1_final()

void ldns_sha1_final	(	unsigned char	digest[20],
		ldns_sha1_ctx *	context
	)

Definition at line 145 of file sha1.c.

References ldns_sha1_ctx::buffer, ldns_sha1_ctx::count, LDNS_SHA1_DIGEST_LENGTH, ldns_sha1_transform(), ldns_sha1_update(), and ldns_sha1_ctx::state.

◆ ldns_sha1()

unsigned char* ldns_sha1	(	const unsigned char *	data,
		unsigned int	data_len,
		unsigned char *	digest
	)

Convenience function to digest a fixed block of data at once.

Parameters

[in]	data	the data to digest
[in]	data_len	the length of data in bytes
[out]	digest	the length of data in bytes This pointer MUST have LDNS_SHA1_DIGEST_LENGTH bytes available

Returns: the SHA1 digest of the given data

Definition at line 171 of file sha1.c.

References ldns_sha1_final(), ldns_sha1_init(), and ldns_sha1_update().

Macros

Functions