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Add a streaming interface to crypto_generichash

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This commit is contained in:
Frank Denis 2013-04-21 14:17:25 +02:00
parent 76cb00d56f
commit 5e748bbc8c
6 changed files with 116 additions and 8 deletions
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6
src/libsodium/crypto_generichash/blake2/ref/blake2.h
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@ -17,6 +17,8 @@
#include <stddef.h>
#include <stdint.h>
#include "crypto_generichash_blake2b.h"
#if defined(_MSC_VER)
#define ALIGN(x) __declspec(align(x))
#else
@ -86,6 +88,9 @@ extern "C" {
uint8_t personal[BLAKE2B_PERSONALBYTES]; // 64
} blake2b_param;
#ifndef DEFINE_BLAKE2B_STATE
typedef crypto_generichash_blake2b_state blake2b_state;
#else
ALIGN( 64 ) typedef struct __blake2b_state
{
uint64_t h[8];
@ -95,6 +100,7 @@ extern "C" {
size_t buflen;
uint8_t last_node;
} blake2b_state;
#endif
typedef struct __blake2sp_state
{

1
src/libsodium/crypto_generichash/blake2/ref/blake2s-ref.c
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@ -15,6 +15,7 @@
#include <string.h>
#include <stdio.h>
#include "crypto_generichash_blake2b.h"
#include "blake2.h"
#include "blake2-impl.h"

41
src/libsodium/crypto_generichash/blake2/ref/generichash_blake2b.c
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@ -20,5 +20,44 @@ crypto_generichash_blake2b(unsigned char *out, const unsigned char *in,
assert(keylen <= UINT8_MAX);
return blake2b((uint8_t *) out, in, key,
(uint8_t) outlen, inlen, (uint8_t) keylen);
(uint8_t) outlen, (uint64_t) inlen, (uint8_t) keylen);
}
int
crypto_generichash_blake2b_init(crypto_generichash_blake2b_state *state,
const unsigned char *key,
const size_t keylen,
const size_t outlen)
{
if (outlen <= 0U || outlen > BLAKE2B_OUTBYTES ||
keylen > BLAKE2B_KEYBYTES) {
return -1;
}
assert(outlen <= UINT8_MAX);
assert(keylen <= UINT8_MAX);
if (blake2b_init(state, (uint8_t) outlen) != 0) {
return -1;
}
if (key != NULL && keylen > 0U &&
blake2b_init_key(state, (uint8_t) outlen, key, keylen) != 0) {
return -1;
}
return 0;
}
int
crypto_generichash_blake2b_update(crypto_generichash_blake2b_state *state,
const unsigned char *in,
unsigned long long inlen)
{
return blake2b_update(state, (const uint8_t *) in, (uint64_t) inlen);
}
int
crypto_generichash_blake2b_final(crypto_generichash_blake2b_state *state,
unsigned char *out,
const size_t outlen)
{
assert(outlen <= UINT8_MAX);
return blake2b_final(state, (uint8_t *) out, (uint8_t) outlen);
}

22
src/libsodium/crypto_generichash/crypto_generichash.c
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@ -9,7 +9,25 @@ crypto_generichash(unsigned char *out, const unsigned char *in,
return crypto_generichash_blake2b(out, in, key, outlen, inlen, keylen);
}
int
crypto_generichash_init(crypto_generichash_blake2b_state *state,
const unsigned char *key,
const size_t keylen, const size_t outlen)
{
return crypto_generichash_blake2b_init(state, key, keylen, outlen);
}
int
crypto_generichash_update(crypto_generichash_blake2b_state *state,
const unsigned char *in,
unsigned long long inlen)
{
return crypto_generichash_blake2b_update(state, in, inlen);
}
int
crypto_generichash_final(crypto_generichash_blake2b_state *state,
unsigned char *out, const size_t outlen)
{
return crypto_generichash_blake2b_final(state, out, outlen);
}

14
src/libsodium/include/sodium/crypto_generichash.h
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@ -9,10 +9,22 @@
#define crypto_generichash_KEYBYTES_MAX crypto_generichash_blake2b_KEYBYTES_MAX
#define crypto_generichash_PRIMITIVE "blake2b"
typedef crypto_generichash_blake2b_state crypto_generichash_state;
int crypto_generichash(unsigned char *out, const unsigned char *in,
const unsigned char *key,
size_t outlen, unsigned long long inlen,
size_t keylen);
#endif
int crypto_generichash_init(crypto_generichash_blake2b_state *state,
const unsigned char *key,
const size_t keylen, const size_t outlen);
int crypto_generichash_update(crypto_generichash_blake2b_state *state,
const unsigned char *in,
unsigned long long inlen);
int crypto_generichash_final(crypto_generichash_blake2b_state *state,
unsigned char *out, const size_t outlen);
#endif

32
src/libsodium/include/sodium/crypto_generichash_blake2b.h
View File

@ -1,12 +1,31 @@
#ifndef crypto_generichash_blake2b_H
#define crypto_generichash_blake2b_H
#include <stdint.h>
#include <stdlib.h>
#define crypto_generichash_blake2b_BYTES_MIN 1U
#define crypto_generichash_blake2b_BYTES_MAX 64U
#define crypto_generichash_blake2b_KEYBYTES_MIN 0U
#define crypto_generichash_blake2b_KEYBYTES_MAX 64U
#define crypto_generichash_blake2b_BLOCKBYTES 128U
#if defined(_MSC_VER)
# define CRYPTO_ALIGN(x) __declspec(align(x))
#else
# define CRYPTO_ALIGN(x) __attribute__((aligned(x)))
#endif
#pragma pack(push, 1)
CRYPTO_ALIGN(64) typedef struct {
uint64_t h[8];
uint64_t t[2];
uint64_t f[2];
uint8_t buf[2 * crypto_generichash_blake2b_BLOCKBYTES];
size_t buflen;
uint8_t last_node;
} crypto_generichash_blake2b_state;
#pragma pack(pop)
#ifdef __cplusplus
extern "C" {
@ -18,6 +37,19 @@ int crypto_generichash_blake2b_ref(unsigned char *out,
unsigned long long inlen,
size_t keylen);
int crypto_generichash_blake2b_init(crypto_generichash_blake2b_state *state,
const unsigned char *key,
const size_t keylen,
const size_t outlen);
int crypto_generichash_blake2b_update(crypto_generichash_blake2b_state *state,
const unsigned char *in,
unsigned long long inlen);
int crypto_generichash_blake2b_final(crypto_generichash_blake2b_state *state,
unsigned char *out,
const size_t outlen);
#ifdef __cplusplus
}
#endif