Andrew Boyson / crypto

A simple library to support serving https.

Dependents:   oldheating gps motorhome heating

sha/sha256.h@24:cb43290fc439, 2020-04-01 (annotated)

Committer:
andrewboyson
Date:
Wed Apr 01 12:48:52 2020 +0000
Revision:
24:cb43290fc439
Parent:
7:94ef5824c3c0 
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 4:6a1d887f1cad 1 #pragma once
andrewboyson 4:6a1d887f1cad 2
andrewboyson 3:e6a2c4579a4d 3 #include <stdint.h>
andrewboyson 3:e6a2c4579a4d 4
andrewboyson 7:94ef5824c3c0 5 #define SHA256_BLOCK_SIZE 64
andrewboyson 7:94ef5824c3c0 6 #define SHA256_HASH_SIZE 32
andrewboyson 4:6a1d887f1cad 7
andrewboyson 3:e6a2c4579a4d 8 struct Sha256State
andrewboyson 3:e6a2c4579a4d 9 {
andrewboyson 3:e6a2c4579a4d 10 uint64_t length;
andrewboyson 3:e6a2c4579a4d 11 uint32_t curlen;
andrewboyson 7:94ef5824c3c0 12 uint32_t state[SHA256_HASH_SIZE / 4];
andrewboyson 7:94ef5824c3c0 13 uint8_t buf[SHA256_BLOCK_SIZE];
andrewboyson 3:e6a2c4579a4d 14 };
andrewboyson 7:94ef5824c3c0 15 extern void Sha256Copy (struct Sha256State* pTo, struct Sha256State* pFrom);
andrewboyson 3:e6a2c4579a4d 16
andrewboyson 4:6a1d887f1cad 17 extern void Sha256Start (struct Sha256State *md );
andrewboyson 5:ee5489ee1117 18 extern int Sha256Add (struct Sha256State *md, const uint8_t* in, int inlen );
andrewboyson 5:ee5489ee1117 19 extern int Sha256Finish(struct Sha256State *md, uint8_t* hash);
andrewboyson 4:6a1d887f1cad 20 extern void Sha256 ( const uint8_t* in, int inlen, uint8_t* hash);