package core:crypto/legacy/sha1
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Overview

package sha1 implements the SHA1 hash algorithm.

WARNING: The SHA1 algorithm is known to be insecure and should only be used for interoperating with legacy applications.

See: https://eprint.iacr.org/2017/190 https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf https://datatracker.ietf.org/doc/html/rfc3174

Index

Types (1)

Context

Constants (2)

BLOCK_SIZE
DIGEST_SIZE

Variables (0)

This section is empty.

Procedures (5)

clone
final
init
reset
update

Procedure Groups (0)

This section is empty.

Types

Context ¶
Source

Context :: struct {
	data:           [64]u8,
	state:          [5]u32,
	k:              [4]u32,
	bitlen:         u64,
	datalen:        u32,
	is_initialized: bool,
}

Context is a SHA1 instance.

Related Procedures With Parameters

Constants

BLOCK_SIZE ¶
Source

BLOCK_SIZE :: 64

BLOCK_SIZE is the SHA1 block size in bytes.

DIGEST_SIZE ¶
Source

DIGEST_SIZE :: 20

DIGEST_SIZE is the SHA1 digest size in bytes.

Variables

This section is empty.

Procedures

clone ¶
Source

clone :: proc(ctx, other: ^$T) {…}

clone clones the Context other into ctx.

final ¶
Source

final :: proc(ctx: ^Context, hash: []u8, finalize_clone: bool = false) {…}

final finalizes the Context, writes the digest to hash, and calls reset on the Context.

Iff finalize_clone is set, final will work on a copy of the Context, which is useful for for calculating rolling digests.

init ¶
Source

init :: proc(ctx: ^Context) {…}

init initializes a Context.

reset ¶
Source

reset :: proc(ctx: ^$T) {…}

reset sanitizes the Context. The Context must be re-initialized to be used again.

update ¶
Source

update :: proc(ctx: ^Context, data: []u8) {…}

update adds more data to the Context.

Procedure Groups

This section is empty.

Source Files

sha1.odin

Generation Information

Generated with odin version dev-2024-12 (vendor "odin") Windows_amd64 @ 2024-12-17 21:11:00.942479500 +0000 UTC