Andrew Boyson / crypto

A simple library to support serving https.

Dependents:   oldheating gps motorhome heating

sha/sha1.h@24:cb43290fc439, 2020-04-01 (annotated)

Committer:
andrewboyson
Date:
Wed Apr 01 12:48:52 2020 +0000
Revision:
24:cb43290fc439
Parent:
14:03a0b8fd6ddc 
Added check so that if the client closes the TCP connection before the TLS connection is established then respond that we have finished and the TCP connection is to be closed.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 7:94ef5824c3c0 1 #pragma once
andrewboyson 7:94ef5824c3c0 2
andrewboyson 6:819c17738dc2 3 #include <stdint.h>
andrewboyson 14:03a0b8fd6ddc 4 #define SHA1_BLOCK_SIZE 64
andrewboyson 7:94ef5824c3c0 5 #define SHA1_HASH_SIZE 20
andrewboyson 6:819c17738dc2 6
andrewboyson 7:94ef5824c3c0 7 struct Sha1State
andrewboyson 6:819c17738dc2 8 {
andrewboyson 6:819c17738dc2 9 uint32_t count;
andrewboyson 7:94ef5824c3c0 10 uint32_t state[SHA1_HASH_SIZE / 4];
andrewboyson 6:819c17738dc2 11 union
andrewboyson 6:819c17738dc2 12 {
andrewboyson 6:819c17738dc2 13 uint8_t b[SHA1_BLOCK_SIZE];
andrewboyson 6:819c17738dc2 14 uint32_t w[SHA1_BLOCK_SIZE / 4];
andrewboyson 6:819c17738dc2 15 } buf;
andrewboyson 6:819c17738dc2 16 };
andrewboyson 7:94ef5824c3c0 17 extern void Sha1Start (struct Sha1State *ctx );
andrewboyson 7:94ef5824c3c0 18 extern void Sha1Add (struct Sha1State *ctx, const uint8_t *data, int len );
andrewboyson 7:94ef5824c3c0 19 extern void Sha1Finish(struct Sha1State *ctx, uint8_t *out);
andrewboyson 7:94ef5824c3c0 20 extern void Sha1 ( const uint8_t *data, int len, uint8_t *out);