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Add a streaming interface to crypto_generichash
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@ -17,6 +17,8 @@
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#include <stddef.h>
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#include <stdint.h>
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#include "crypto_generichash_blake2b.h"
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#if defined(_MSC_VER)
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#define ALIGN(x) __declspec(align(x))
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#else
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@ -86,6 +88,9 @@ extern "C" {
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uint8_t personal[BLAKE2B_PERSONALBYTES]; // 64
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} blake2b_param;
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#ifndef DEFINE_BLAKE2B_STATE
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typedef crypto_generichash_blake2b_state blake2b_state;
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#else
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ALIGN( 64 ) typedef struct __blake2b_state
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{
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uint64_t h[8];
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@ -95,6 +100,7 @@ extern "C" {
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size_t buflen;
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uint8_t last_node;
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} blake2b_state;
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#endif
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typedef struct __blake2sp_state
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{
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@ -15,6 +15,7 @@
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#include <string.h>
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#include <stdio.h>
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#include "crypto_generichash_blake2b.h"
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#include "blake2.h"
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#include "blake2-impl.h"
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@ -20,5 +20,44 @@ crypto_generichash_blake2b(unsigned char *out, const unsigned char *in,
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assert(keylen <= UINT8_MAX);
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return blake2b((uint8_t *) out, in, key,
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(uint8_t) outlen, inlen, (uint8_t) keylen);
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(uint8_t) outlen, (uint64_t) inlen, (uint8_t) keylen);
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}
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int
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crypto_generichash_blake2b_init(crypto_generichash_blake2b_state *state,
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const unsigned char *key,
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const size_t keylen,
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const size_t outlen)
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{
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if (outlen <= 0U || outlen > BLAKE2B_OUTBYTES ||
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keylen > BLAKE2B_KEYBYTES) {
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return -1;
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}
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assert(outlen <= UINT8_MAX);
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assert(keylen <= UINT8_MAX);
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if (blake2b_init(state, (uint8_t) outlen) != 0) {
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return -1;
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}
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if (key != NULL && keylen > 0U &&
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blake2b_init_key(state, (uint8_t) outlen, key, keylen) != 0) {
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return -1;
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}
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return 0;
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}
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int
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crypto_generichash_blake2b_update(crypto_generichash_blake2b_state *state,
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const unsigned char *in,
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unsigned long long inlen)
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{
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return blake2b_update(state, (const uint8_t *) in, (uint64_t) inlen);
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}
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int
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crypto_generichash_blake2b_final(crypto_generichash_blake2b_state *state,
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unsigned char *out,
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const size_t outlen)
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{
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assert(outlen <= UINT8_MAX);
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return blake2b_final(state, (uint8_t *) out, (uint8_t) outlen);
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}
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@ -9,7 +9,25 @@ crypto_generichash(unsigned char *out, const unsigned char *in,
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return crypto_generichash_blake2b(out, in, key, outlen, inlen, keylen);
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}
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int
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crypto_generichash_init(crypto_generichash_blake2b_state *state,
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const unsigned char *key,
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const size_t keylen, const size_t outlen)
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{
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return crypto_generichash_blake2b_init(state, key, keylen, outlen);
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}
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int
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crypto_generichash_update(crypto_generichash_blake2b_state *state,
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const unsigned char *in,
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unsigned long long inlen)
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{
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return crypto_generichash_blake2b_update(state, in, inlen);
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}
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int
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crypto_generichash_final(crypto_generichash_blake2b_state *state,
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unsigned char *out, const size_t outlen)
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{
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return crypto_generichash_blake2b_final(state, out, outlen);
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}
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@ -9,10 +9,22 @@
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#define crypto_generichash_KEYBYTES_MAX crypto_generichash_blake2b_KEYBYTES_MAX
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#define crypto_generichash_PRIMITIVE "blake2b"
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typedef crypto_generichash_blake2b_state crypto_generichash_state;
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int crypto_generichash(unsigned char *out, const unsigned char *in,
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const unsigned char *key,
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size_t outlen, unsigned long long inlen,
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size_t keylen);
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#endif
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int crypto_generichash_init(crypto_generichash_blake2b_state *state,
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const unsigned char *key,
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const size_t keylen, const size_t outlen);
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int crypto_generichash_update(crypto_generichash_blake2b_state *state,
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const unsigned char *in,
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unsigned long long inlen);
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int crypto_generichash_final(crypto_generichash_blake2b_state *state,
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unsigned char *out, const size_t outlen);
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#endif
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@ -1,12 +1,31 @@
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#ifndef crypto_generichash_blake2b_H
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#define crypto_generichash_blake2b_H
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#include <stdint.h>
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#include <stdlib.h>
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#define crypto_generichash_blake2b_BYTES_MIN 1U
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#define crypto_generichash_blake2b_BYTES_MAX 64U
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#define crypto_generichash_blake2b_KEYBYTES_MIN 0U
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#define crypto_generichash_blake2b_KEYBYTES_MAX 64U
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#define crypto_generichash_blake2b_BYTES_MIN 1U
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#define crypto_generichash_blake2b_BYTES_MAX 64U
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#define crypto_generichash_blake2b_KEYBYTES_MIN 0U
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#define crypto_generichash_blake2b_KEYBYTES_MAX 64U
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#define crypto_generichash_blake2b_BLOCKBYTES 128U
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#if defined(_MSC_VER)
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# define CRYPTO_ALIGN(x) __declspec(align(x))
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#else
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# define CRYPTO_ALIGN(x) __attribute__((aligned(x)))
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#endif
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#pragma pack(push, 1)
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CRYPTO_ALIGN(64) typedef struct {
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uint64_t h[8];
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uint64_t t[2];
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uint64_t f[2];
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uint8_t buf[2 * crypto_generichash_blake2b_BLOCKBYTES];
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size_t buflen;
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uint8_t last_node;
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} crypto_generichash_blake2b_state;
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#pragma pack(pop)
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#ifdef __cplusplus
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extern "C" {
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@ -18,6 +37,19 @@ int crypto_generichash_blake2b_ref(unsigned char *out,
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unsigned long long inlen,
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size_t keylen);
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int crypto_generichash_blake2b_init(crypto_generichash_blake2b_state *state,
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const unsigned char *key,
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const size_t keylen,
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const size_t outlen);
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int crypto_generichash_blake2b_update(crypto_generichash_blake2b_state *state,
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const unsigned char *in,
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unsigned long long inlen);
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int crypto_generichash_blake2b_final(crypto_generichash_blake2b_state *state,
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unsigned char *out,
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const size_t outlen);
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#ifdef __cplusplus
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}
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#endif
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