Switch to libsodium generic hash API - dedup - deduplicating backup program
HTML git clone git://bitreich.org/dedup/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/dedup/
DIR Log
DIR Files
DIR Refs
DIR Tags
DIR README
DIR LICENSE
---
DIR commit 7d0e3db7c6c61fdea091bccb1d8a8e61545be235
DIR parent 15855f967c85fbeb0fe5ce7a41cd66162a29b270
HTML Author: sin <sin@2f30.org>
Date: Wed, 1 May 2019 22:09:16 +0100
Switch to libsodium generic hash API
Diffstat:
M CHANGELOG | 5 +++--
M Makefile | 6 +-----
M README | 1 +
M TODO | 1 -
D blake2-impl.h | 160 -------------------------------
D blake2.h | 195 -------------------------------
D blake2b-ref.c | 379 -------------------------------
D blake2s-ref.c | 367 ------------------------------
M block.c | 2 +-
M block.h | 1 -
M bstorage.c | 100 ++++---------------------------
M dup-init.1 | 6 ------
M dup-init.c | 6 +-----
D test006 | 16 ----------------
14 files changed, 19 insertions(+), 1226 deletions(-)
---
DIR diff --git a/CHANGELOG b/CHANGELOG
@@ -10,10 +10,11 @@
- dup-unpack(1) to extract a snapshot.
### Changed
-- Incompatible file format changes. Requires manual migration of data.
+- Change file format specification. Requires manual migration of data.
+- Use libsodium generic hash API.
### Removed
-- Support for blake2bp and blake2sp.
+- Explicit support for hash type.
## [1.0] - 2019-04-14
### Added
DIR diff --git a/Makefile b/Makefile
@@ -5,8 +5,6 @@ MAN = dup-check.1 dup-gc.1 dup-init.1 dup-pack.1 dup-rm.1 dup-unpack.1
HDR = \
arg.h \
- blake2-impl.h \
- blake2.h \
block.h \
chunker.h \
config.h \
@@ -17,8 +15,6 @@ HDR = \
COMMOBJ = \
bcompat.o \
bcompress.o \
- blake2b-ref.o \
- blake2s-ref.o \
block.o \
bstorage.o \
chunker.o \
@@ -34,7 +30,7 @@ DPACKOBJ = $(COMMOBJ) dup-pack.o
DRMOBJ = $(COMMOBJ) dup-rm.o
DUNPACKOBJ = $(COMMOBJ) dup-unpack.o
-LDLIBS = -lsnappy
+LDLIBS = -lsnappy -lsodium
all: $(BIN)
DIR diff --git a/README b/README
@@ -34,6 +34,7 @@ Dependencies
============
- snappy
+ - libsodium
Contact
=======
DIR diff --git a/TODO b/TODO
@@ -1,5 +1,4 @@
Use a ring buffer in the chunker (avoid memmove() call)
-Create a library archive out of the blake2b files and link with it
pledge/unveil support
Use flock() to avoid corruption
Add back lz4 support
DIR diff --git a/blake2-impl.h b/blake2-impl.h
@@ -1,160 +0,0 @@
-/*
- BLAKE2 reference source code package - reference C implementations
-
- Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
- terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
- your option. The terms of these licenses can be found at:
-
- - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- - OpenSSL license : https://www.openssl.org/source/license.html
- - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
-
- More information about the BLAKE2 hash function can be found at
- https://blake2.net.
-*/
-#ifndef BLAKE2_IMPL_H
-#define BLAKE2_IMPL_H
-
-#include <stdint.h>
-#include <string.h>
-
-#if !defined(__cplusplus) && (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L)
- #if defined(_MSC_VER)
- #define BLAKE2_INLINE __inline
- #elif defined(__GNUC__)
- #define BLAKE2_INLINE __inline__
- #else
- #define BLAKE2_INLINE
- #endif
-#else
- #define BLAKE2_INLINE inline
-#endif
-
-static BLAKE2_INLINE uint32_t load32( const void *src )
-{
-#if defined(NATIVE_LITTLE_ENDIAN)
- uint32_t w;
- memcpy(&w, src, sizeof w);
- return w;
-#else
- const uint8_t *p = ( const uint8_t * )src;
- return (( uint32_t )( p[0] ) << 0) |
- (( uint32_t )( p[1] ) << 8) |
- (( uint32_t )( p[2] ) << 16) |
- (( uint32_t )( p[3] ) << 24) ;
-#endif
-}
-
-static BLAKE2_INLINE uint64_t load64( const void *src )
-{
-#if defined(NATIVE_LITTLE_ENDIAN)
- uint64_t w;
- memcpy(&w, src, sizeof w);
- return w;
-#else
- const uint8_t *p = ( const uint8_t * )src;
- return (( uint64_t )( p[0] ) << 0) |
- (( uint64_t )( p[1] ) << 8) |
- (( uint64_t )( p[2] ) << 16) |
- (( uint64_t )( p[3] ) << 24) |
- (( uint64_t )( p[4] ) << 32) |
- (( uint64_t )( p[5] ) << 40) |
- (( uint64_t )( p[6] ) << 48) |
- (( uint64_t )( p[7] ) << 56) ;
-#endif
-}
-
-static BLAKE2_INLINE uint16_t load16( const void *src )
-{
-#if defined(NATIVE_LITTLE_ENDIAN)
- uint16_t w;
- memcpy(&w, src, sizeof w);
- return w;
-#else
- const uint8_t *p = ( const uint8_t * )src;
- return ( uint16_t )((( uint32_t )( p[0] ) << 0) |
- (( uint32_t )( p[1] ) << 8));
-#endif
-}
-
-static BLAKE2_INLINE void store16( void *dst, uint16_t w )
-{
-#if defined(NATIVE_LITTLE_ENDIAN)
- memcpy(dst, &w, sizeof w);
-#else
- uint8_t *p = ( uint8_t * )dst;
- *p++ = ( uint8_t )w; w >>= 8;
- *p++ = ( uint8_t )w;
-#endif
-}
-
-static BLAKE2_INLINE void store32( void *dst, uint32_t w )
-{
-#if defined(NATIVE_LITTLE_ENDIAN)
- memcpy(dst, &w, sizeof w);
-#else
- uint8_t *p = ( uint8_t * )dst;
- p[0] = (uint8_t)(w >> 0);
- p[1] = (uint8_t)(w >> 8);
- p[2] = (uint8_t)(w >> 16);
- p[3] = (uint8_t)(w >> 24);
-#endif
-}
-
-static BLAKE2_INLINE void store64( void *dst, uint64_t w )
-{
-#if defined(NATIVE_LITTLE_ENDIAN)
- memcpy(dst, &w, sizeof w);
-#else
- uint8_t *p = ( uint8_t * )dst;
- p[0] = (uint8_t)(w >> 0);
- p[1] = (uint8_t)(w >> 8);
- p[2] = (uint8_t)(w >> 16);
- p[3] = (uint8_t)(w >> 24);
- p[4] = (uint8_t)(w >> 32);
- p[5] = (uint8_t)(w >> 40);
- p[6] = (uint8_t)(w >> 48);
- p[7] = (uint8_t)(w >> 56);
-#endif
-}
-
-static BLAKE2_INLINE uint64_t load48( const void *src )
-{
- const uint8_t *p = ( const uint8_t * )src;
- return (( uint64_t )( p[0] ) << 0) |
- (( uint64_t )( p[1] ) << 8) |
- (( uint64_t )( p[2] ) << 16) |
- (( uint64_t )( p[3] ) << 24) |
- (( uint64_t )( p[4] ) << 32) |
- (( uint64_t )( p[5] ) << 40) ;
-}
-
-static BLAKE2_INLINE void store48( void *dst, uint64_t w )
-{
- uint8_t *p = ( uint8_t * )dst;
- p[0] = (uint8_t)(w >> 0);
- p[1] = (uint8_t)(w >> 8);
- p[2] = (uint8_t)(w >> 16);
- p[3] = (uint8_t)(w >> 24);
- p[4] = (uint8_t)(w >> 32);
- p[5] = (uint8_t)(w >> 40);
-}
-
-static BLAKE2_INLINE uint32_t rotr32( const uint32_t w, const unsigned c )
-{
- return ( w >> c ) | ( w << ( 32 - c ) );
-}
-
-static BLAKE2_INLINE uint64_t rotr64( const uint64_t w, const unsigned c )
-{
- return ( w >> c ) | ( w << ( 64 - c ) );
-}
-
-/* prevents compiler optimizing out memset() */
-static BLAKE2_INLINE void secure_zero_memory(void *v, size_t n)
-{
- static void *(*const volatile memset_v)(void *, int, size_t) = &memset;
- memset_v(v, 0, n);
-}
-
-#endif
DIR diff --git a/blake2.h b/blake2.h
@@ -1,195 +0,0 @@
-/*
- BLAKE2 reference source code package - reference C implementations
-
- Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
- terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
- your option. The terms of these licenses can be found at:
-
- - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- - OpenSSL license : https://www.openssl.org/source/license.html
- - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
-
- More information about the BLAKE2 hash function can be found at
- https://blake2.net.
-*/
-#ifndef BLAKE2_H
-#define BLAKE2_H
-
-#include <stddef.h>
-#include <stdint.h>
-
-#if defined(_MSC_VER)
-#define BLAKE2_PACKED(x) __pragma(pack(push, 1)) x __pragma(pack(pop))
-#else
-#define BLAKE2_PACKED(x) x __attribute__((packed))
-#endif
-
-#if defined(__cplusplus)
-extern "C" {
-#endif
-
- enum blake2s_constant
- {
- BLAKE2S_BLOCKBYTES = 64,
- BLAKE2S_OUTBYTES = 32,
- BLAKE2S_KEYBYTES = 32,
- BLAKE2S_SALTBYTES = 8,
- BLAKE2S_PERSONALBYTES = 8
- };
-
- enum blake2b_constant
- {
- BLAKE2B_BLOCKBYTES = 128,
- BLAKE2B_OUTBYTES = 64,
- BLAKE2B_KEYBYTES = 64,
- BLAKE2B_SALTBYTES = 16,
- BLAKE2B_PERSONALBYTES = 16
- };
-
- typedef struct blake2s_state__
- {
- uint32_t h[8];
- uint32_t t[2];
- uint32_t f[2];
- uint8_t buf[BLAKE2S_BLOCKBYTES];
- size_t buflen;
- size_t outlen;
- uint8_t last_node;
- } blake2s_state;
-
- typedef struct blake2b_state__
- {
- uint64_t h[8];
- uint64_t t[2];
- uint64_t f[2];
- uint8_t buf[BLAKE2B_BLOCKBYTES];
- size_t buflen;
- size_t outlen;
- uint8_t last_node;
- } blake2b_state;
-
- typedef struct blake2sp_state__
- {
- blake2s_state S[8][1];
- blake2s_state R[1];
- uint8_t buf[8 * BLAKE2S_BLOCKBYTES];
- size_t buflen;
- size_t outlen;
- } blake2sp_state;
-
- typedef struct blake2bp_state__
- {
- blake2b_state S[4][1];
- blake2b_state R[1];
- uint8_t buf[4 * BLAKE2B_BLOCKBYTES];
- size_t buflen;
- size_t outlen;
- } blake2bp_state;
-
-
- BLAKE2_PACKED(struct blake2s_param__
- {
- uint8_t digest_length; /* 1 */
- uint8_t key_length; /* 2 */
- uint8_t fanout; /* 3 */
- uint8_t depth; /* 4 */
- uint32_t leaf_length; /* 8 */
- uint32_t node_offset; /* 12 */
- uint16_t xof_length; /* 14 */
- uint8_t node_depth; /* 15 */
- uint8_t inner_length; /* 16 */
- /* uint8_t reserved[0]; */
- uint8_t salt[BLAKE2S_SALTBYTES]; /* 24 */
- uint8_t personal[BLAKE2S_PERSONALBYTES]; /* 32 */
- });
-
- typedef struct blake2s_param__ blake2s_param;
-
- BLAKE2_PACKED(struct blake2b_param__
- {
- uint8_t digest_length; /* 1 */
- uint8_t key_length; /* 2 */
- uint8_t fanout; /* 3 */
- uint8_t depth; /* 4 */
- uint32_t leaf_length; /* 8 */
- uint32_t node_offset; /* 12 */
- uint32_t xof_length; /* 16 */
- uint8_t node_depth; /* 17 */
- uint8_t inner_length; /* 18 */
- uint8_t reserved[14]; /* 32 */
- uint8_t salt[BLAKE2B_SALTBYTES]; /* 48 */
- uint8_t personal[BLAKE2B_PERSONALBYTES]; /* 64 */
- });
-
- typedef struct blake2b_param__ blake2b_param;
-
- typedef struct blake2xs_state__
- {
- blake2s_state S[1];
- blake2s_param P[1];
- } blake2xs_state;
-
- typedef struct blake2xb_state__
- {
- blake2b_state S[1];
- blake2b_param P[1];
- } blake2xb_state;
-
- /* Padded structs result in a compile-time error */
- enum {
- BLAKE2_DUMMY_1 = 1/(sizeof(blake2s_param) == BLAKE2S_OUTBYTES),
- BLAKE2_DUMMY_2 = 1/(sizeof(blake2b_param) == BLAKE2B_OUTBYTES)
- };
-
- /* Streaming API */
- int blake2s_init( blake2s_state *S, size_t outlen );
- int blake2s_init_key( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
- int blake2s_init_param( blake2s_state *S, const blake2s_param *P );
- int blake2s_update( blake2s_state *S, const void *in, size_t inlen );
- int blake2s_final( blake2s_state *S, void *out, size_t outlen );
-
- int blake2b_init( blake2b_state *S, size_t outlen );
- int blake2b_init_key( blake2b_state *S, size_t outlen, const void *key, size_t keylen );
- int blake2b_init_param( blake2b_state *S, const blake2b_param *P );
- int blake2b_update( blake2b_state *S, const void *in, size_t inlen );
- int blake2b_final( blake2b_state *S, void *out, size_t outlen );
-
- int blake2sp_init( blake2sp_state *S, size_t outlen );
- int blake2sp_init_key( blake2sp_state *S, size_t outlen, const void *key, size_t keylen );
- int blake2sp_update( blake2sp_state *S, const void *in, size_t inlen );
- int blake2sp_final( blake2sp_state *S, void *out, size_t outlen );
-
- int blake2bp_init( blake2bp_state *S, size_t outlen );
- int blake2bp_init_key( blake2bp_state *S, size_t outlen, const void *key, size_t keylen );
- int blake2bp_update( blake2bp_state *S, const void *in, size_t inlen );
- int blake2bp_final( blake2bp_state *S, void *out, size_t outlen );
-
- /* Variable output length API */
- int blake2xs_init( blake2xs_state *S, const size_t outlen );
- int blake2xs_init_key( blake2xs_state *S, const size_t outlen, const void *key, size_t keylen );
- int blake2xs_update( blake2xs_state *S, const void *in, size_t inlen );
- int blake2xs_final(blake2xs_state *S, void *out, size_t outlen);
-
- int blake2xb_init( blake2xb_state *S, const size_t outlen );
- int blake2xb_init_key( blake2xb_state *S, const size_t outlen, const void *key, size_t keylen );
- int blake2xb_update( blake2xb_state *S, const void *in, size_t inlen );
- int blake2xb_final(blake2xb_state *S, void *out, size_t outlen);
-
- /* Simple API */
- int blake2s( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
- int blake2b( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
-
- int blake2sp( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
- int blake2bp( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
-
- int blake2xs( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
- int blake2xb( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
-
- /* This is simply an alias for blake2b */
- int blake2( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
-
-#if defined(__cplusplus)
-}
-#endif
-
-#endif
DIR diff --git a/blake2b-ref.c b/blake2b-ref.c
@@ -1,379 +0,0 @@
-/*
- BLAKE2 reference source code package - reference C implementations
-
- Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
- terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
- your option. The terms of these licenses can be found at:
-
- - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- - OpenSSL license : https://www.openssl.org/source/license.html
- - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
-
- More information about the BLAKE2 hash function can be found at
- https://blake2.net.
-*/
-
-#include <stdint.h>
-#include <string.h>
-#include <stdio.h>
-
-#include "blake2.h"
-#include "blake2-impl.h"
-
-static const uint64_t blake2b_IV[8] =
-{
- 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL,
- 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL,
- 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
- 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL
-};
-
-static const uint8_t blake2b_sigma[12][16] =
-{
- { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
- { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } ,
- { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } ,
- { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } ,
- { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } ,
- { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } ,
- { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } ,
- { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } ,
- { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } ,
- { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 } ,
- { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
- { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 }
-};
-
-
-static void blake2b_set_lastnode( blake2b_state *S )
-{
- S->f[1] = (uint64_t)-1;
-}
-
-/* Some helper functions, not necessarily useful */
-static int blake2b_is_lastblock( const blake2b_state *S )
-{
- return S->f[0] != 0;
-}
-
-static void blake2b_set_lastblock( blake2b_state *S )
-{
- if( S->last_node ) blake2b_set_lastnode( S );
-
- S->f[0] = (uint64_t)-1;
-}
-
-static void blake2b_increment_counter( blake2b_state *S, const uint64_t inc )
-{
- S->t[0] += inc;
- S->t[1] += ( S->t[0] < inc );
-}
-
-static void blake2b_init0( blake2b_state *S )
-{
- size_t i;
- memset( S, 0, sizeof( blake2b_state ) );
-
- for( i = 0; i < 8; ++i ) S->h[i] = blake2b_IV[i];
-}
-
-/* init xors IV with input parameter block */
-int blake2b_init_param( blake2b_state *S, const blake2b_param *P )
-{
- const uint8_t *p = ( const uint8_t * )( P );
- size_t i;
-
- blake2b_init0( S );
-
- /* IV XOR ParamBlock */
- for( i = 0; i < 8; ++i )
- S->h[i] ^= load64( p + sizeof( S->h[i] ) * i );
-
- S->outlen = P->digest_length;
- return 0;
-}
-
-
-
-int blake2b_init( blake2b_state *S, size_t outlen )
-{
- blake2b_param P[1];
-
- if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1;
-
- P->digest_length = (uint8_t)outlen;
- P->key_length = 0;
- P->fanout = 1;
- P->depth = 1;
- store32( &P->leaf_length, 0 );
- store32( &P->node_offset, 0 );
- store32( &P->xof_length, 0 );
- P->node_depth = 0;
- P->inner_length = 0;
- memset( P->reserved, 0, sizeof( P->reserved ) );
- memset( P->salt, 0, sizeof( P->salt ) );
- memset( P->personal, 0, sizeof( P->personal ) );
- return blake2b_init_param( S, P );
-}
-
-
-int blake2b_init_key( blake2b_state *S, size_t outlen, const void *key, size_t keylen )
-{
- blake2b_param P[1];
-
- if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1;
-
- if ( !key || !keylen || keylen > BLAKE2B_KEYBYTES ) return -1;
-
- P->digest_length = (uint8_t)outlen;
- P->key_length = (uint8_t)keylen;
- P->fanout = 1;
- P->depth = 1;
- store32( &P->leaf_length, 0 );
- store32( &P->node_offset, 0 );
- store32( &P->xof_length, 0 );
- P->node_depth = 0;
- P->inner_length = 0;
- memset( P->reserved, 0, sizeof( P->reserved ) );
- memset( P->salt, 0, sizeof( P->salt ) );
- memset( P->personal, 0, sizeof( P->personal ) );
-
- if( blake2b_init_param( S, P ) < 0 ) return -1;
-
- {
- uint8_t block[BLAKE2B_BLOCKBYTES];
- memset( block, 0, BLAKE2B_BLOCKBYTES );
- memcpy( block, key, keylen );
- blake2b_update( S, block, BLAKE2B_BLOCKBYTES );
- secure_zero_memory( block, BLAKE2B_BLOCKBYTES ); /* Burn the key from stack */
- }
- return 0;
-}
-
-#define G(r,i,a,b,c,d) \
- do { \
- a = a + b + m[blake2b_sigma[r][2*i+0]]; \
- d = rotr64(d ^ a, 32); \
- c = c + d; \
- b = rotr64(b ^ c, 24); \
- a = a + b + m[blake2b_sigma[r][2*i+1]]; \
- d = rotr64(d ^ a, 16); \
- c = c + d; \
- b = rotr64(b ^ c, 63); \
- } while(0)
-
-#define ROUND(r) \
- do { \
- G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \
- G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \
- G(r,2,v[ 2],v[ 6],v[10],v[14]); \
- G(r,3,v[ 3],v[ 7],v[11],v[15]); \
- G(r,4,v[ 0],v[ 5],v[10],v[15]); \
- G(r,5,v[ 1],v[ 6],v[11],v[12]); \
- G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \
- G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \
- } while(0)
-
-static void blake2b_compress( blake2b_state *S, const uint8_t block[BLAKE2B_BLOCKBYTES] )
-{
- uint64_t m[16];
- uint64_t v[16];
- size_t i;
-
- for( i = 0; i < 16; ++i ) {
- m[i] = load64( block + i * sizeof( m[i] ) );
- }
-
- for( i = 0; i < 8; ++i ) {
- v[i] = S->h[i];
- }
-
- v[ 8] = blake2b_IV[0];
- v[ 9] = blake2b_IV[1];
- v[10] = blake2b_IV[2];
- v[11] = blake2b_IV[3];
- v[12] = blake2b_IV[4] ^ S->t[0];
- v[13] = blake2b_IV[5] ^ S->t[1];
- v[14] = blake2b_IV[6] ^ S->f[0];
- v[15] = blake2b_IV[7] ^ S->f[1];
-
- ROUND( 0 );
- ROUND( 1 );
- ROUND( 2 );
- ROUND( 3 );
- ROUND( 4 );
- ROUND( 5 );
- ROUND( 6 );
- ROUND( 7 );
- ROUND( 8 );
- ROUND( 9 );
- ROUND( 10 );
- ROUND( 11 );
-
- for( i = 0; i < 8; ++i ) {
- S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];
- }
-}
-
-#undef G
-#undef ROUND
-
-int blake2b_update( blake2b_state *S, const void *pin, size_t inlen )
-{
- const unsigned char * in = (const unsigned char *)pin;
- if( inlen > 0 )
- {
- size_t left = S->buflen;
- size_t fill = BLAKE2B_BLOCKBYTES - left;
- if( inlen > fill )
- {
- S->buflen = 0;
- memcpy( S->buf + left, in, fill ); /* Fill buffer */
- blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );
- blake2b_compress( S, S->buf ); /* Compress */
- in += fill; inlen -= fill;
- while(inlen > BLAKE2B_BLOCKBYTES) {
- blake2b_increment_counter(S, BLAKE2B_BLOCKBYTES);
- blake2b_compress( S, in );
- in += BLAKE2B_BLOCKBYTES;
- inlen -= BLAKE2B_BLOCKBYTES;
- }
- }
- memcpy( S->buf + S->buflen, in, inlen );
- S->buflen += inlen;
- }
- return 0;
-}
-
-int blake2b_final( blake2b_state *S, void *out, size_t outlen )
-{
- uint8_t buffer[BLAKE2B_OUTBYTES] = {0};
- size_t i;
-
- if( out == NULL || outlen < S->outlen )
- return -1;
-
- if( blake2b_is_lastblock( S ) )
- return -1;
-
- blake2b_increment_counter( S, S->buflen );
- blake2b_set_lastblock( S );
- memset( S->buf + S->buflen, 0, BLAKE2B_BLOCKBYTES - S->buflen ); /* Padding */
- blake2b_compress( S, S->buf );
-
- for( i = 0; i < 8; ++i ) /* Output full hash to temp buffer */
- store64( buffer + sizeof( S->h[i] ) * i, S->h[i] );
-
- memcpy( out, buffer, S->outlen );
- secure_zero_memory(buffer, sizeof(buffer));
- return 0;
-}
-
-/* inlen, at least, should be uint64_t. Others can be size_t. */
-int blake2b( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen )
-{
- blake2b_state S[1];
-
- /* Verify parameters */
- if ( NULL == in && inlen > 0 ) return -1;
-
- if ( NULL == out ) return -1;
-
- if( NULL == key && keylen > 0 ) return -1;
-
- if( !outlen || outlen > BLAKE2B_OUTBYTES ) return -1;
-
- if( keylen > BLAKE2B_KEYBYTES ) return -1;
-
- if( keylen > 0 )
- {
- if( blake2b_init_key( S, outlen, key, keylen ) < 0 ) return -1;
- }
- else
- {
- if( blake2b_init( S, outlen ) < 0 ) return -1;
- }
-
- blake2b_update( S, ( const uint8_t * )in, inlen );
- blake2b_final( S, out, outlen );
- return 0;
-}
-
-int blake2( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen ) {
- return blake2b(out, outlen, in, inlen, key, keylen);
-}
-
-#if defined(SUPERCOP)
-int crypto_hash( unsigned char *out, unsigned char *in, unsigned long long inlen )
-{
- return blake2b( out, BLAKE2B_OUTBYTES, in, inlen, NULL, 0 );
-}
-#endif
-
-#if defined(BLAKE2B_SELFTEST)
-#include <string.h>
-#include "blake2-kat.h"
-int main( void )
-{
- uint8_t key[BLAKE2B_KEYBYTES];
- uint8_t buf[BLAKE2_KAT_LENGTH];
- size_t i, step;
-
- for( i = 0; i < BLAKE2B_KEYBYTES; ++i )
- key[i] = ( uint8_t )i;
-
- for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
- buf[i] = ( uint8_t )i;
-
- /* Test simple API */
- for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
- {
- uint8_t hash[BLAKE2B_OUTBYTES];
- blake2b( hash, BLAKE2B_OUTBYTES, buf, i, key, BLAKE2B_KEYBYTES );
-
- if( 0 != memcmp( hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES ) )
- {
- goto fail;
- }
- }
-
- /* Test streaming API */
- for(step = 1; step < BLAKE2B_BLOCKBYTES; ++step) {
- for (i = 0; i < BLAKE2_KAT_LENGTH; ++i) {
- uint8_t hash[BLAKE2B_OUTBYTES];
- blake2b_state S;
- uint8_t * p = buf;
- size_t mlen = i;
- int err = 0;
-
- if( (err = blake2b_init_key(&S, BLAKE2B_OUTBYTES, key, BLAKE2B_KEYBYTES)) < 0 ) {
- goto fail;
- }
-
- while (mlen >= step) {
- if ( (err = blake2b_update(&S, p, step)) < 0 ) {
- goto fail;
- }
- mlen -= step;
- p += step;
- }
- if ( (err = blake2b_update(&S, p, mlen)) < 0) {
- goto fail;
- }
- if ( (err = blake2b_final(&S, hash, BLAKE2B_OUTBYTES)) < 0) {
- goto fail;
- }
-
- if (0 != memcmp(hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES)) {
- goto fail;
- }
- }
- }
-
- puts( "ok" );
- return 0;
-fail:
- puts("error");
- return -1;
-}
-#endif
DIR diff --git a/blake2s-ref.c b/blake2s-ref.c
@@ -1,367 +0,0 @@
-/*
- BLAKE2 reference source code package - reference C implementations
-
- Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
- terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
- your option. The terms of these licenses can be found at:
-
- - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- - OpenSSL license : https://www.openssl.org/source/license.html
- - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
-
- More information about the BLAKE2 hash function can be found at
- https://blake2.net.
-*/
-
-#include <stdint.h>
-#include <string.h>
-#include <stdio.h>
-
-#include "blake2.h"
-#include "blake2-impl.h"
-
-static const uint32_t blake2s_IV[8] =
-{
- 0x6A09E667UL, 0xBB67AE85UL, 0x3C6EF372UL, 0xA54FF53AUL,
- 0x510E527FUL, 0x9B05688CUL, 0x1F83D9ABUL, 0x5BE0CD19UL
-};
-
-static const uint8_t blake2s_sigma[10][16] =
-{
- { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
- { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } ,
- { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } ,
- { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } ,
- { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } ,
- { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } ,
- { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } ,
- { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } ,
- { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } ,
- { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 } ,
-};
-
-static void blake2s_set_lastnode( blake2s_state *S )
-{
- S->f[1] = (uint32_t)-1;
-}
-
-/* Some helper functions, not necessarily useful */
-static int blake2s_is_lastblock( const blake2s_state *S )
-{
- return S->f[0] != 0;
-}
-
-static void blake2s_set_lastblock( blake2s_state *S )
-{
- if( S->last_node ) blake2s_set_lastnode( S );
-
- S->f[0] = (uint32_t)-1;
-}
-
-static void blake2s_increment_counter( blake2s_state *S, const uint32_t inc )
-{
- S->t[0] += inc;
- S->t[1] += ( S->t[0] < inc );
-}
-
-static void blake2s_init0( blake2s_state *S )
-{
- size_t i;
- memset( S, 0, sizeof( blake2s_state ) );
-
- for( i = 0; i < 8; ++i ) S->h[i] = blake2s_IV[i];
-}
-
-/* init2 xors IV with input parameter block */
-int blake2s_init_param( blake2s_state *S, const blake2s_param *P )
-{
- const unsigned char *p = ( const unsigned char * )( P );
- size_t i;
-
- blake2s_init0( S );
-
- /* IV XOR ParamBlock */
- for( i = 0; i < 8; ++i )
- S->h[i] ^= load32( &p[i * 4] );
-
- S->outlen = P->digest_length;
- return 0;
-}
-
-
-/* Sequential blake2s initialization */
-int blake2s_init( blake2s_state *S, size_t outlen )
-{
- blake2s_param P[1];
-
- /* Move interval verification here? */
- if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
-
- P->digest_length = (uint8_t)outlen;
- P->key_length = 0;
- P->fanout = 1;
- P->depth = 1;
- store32( &P->leaf_length, 0 );
- store32( &P->node_offset, 0 );
- store16( &P->xof_length, 0 );
- P->node_depth = 0;
- P->inner_length = 0;
- /* memset(P->reserved, 0, sizeof(P->reserved) ); */
- memset( P->salt, 0, sizeof( P->salt ) );
- memset( P->personal, 0, sizeof( P->personal ) );
- return blake2s_init_param( S, P );
-}
-
-int blake2s_init_key( blake2s_state *S, size_t outlen, const void *key, size_t keylen )
-{
- blake2s_param P[1];
-
- if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
-
- if ( !key || !keylen || keylen > BLAKE2S_KEYBYTES ) return -1;
-
- P->digest_length = (uint8_t)outlen;
- P->key_length = (uint8_t)keylen;
- P->fanout = 1;
- P->depth = 1;
- store32( &P->leaf_length, 0 );
- store32( &P->node_offset, 0 );
- store16( &P->xof_length, 0 );
- P->node_depth = 0;
- P->inner_length = 0;
- /* memset(P->reserved, 0, sizeof(P->reserved) ); */
- memset( P->salt, 0, sizeof( P->salt ) );
- memset( P->personal, 0, sizeof( P->personal ) );
-
- if( blake2s_init_param( S, P ) < 0 ) return -1;
-
- {
- uint8_t block[BLAKE2S_BLOCKBYTES];
- memset( block, 0, BLAKE2S_BLOCKBYTES );
- memcpy( block, key, keylen );
- blake2s_update( S, block, BLAKE2S_BLOCKBYTES );
- secure_zero_memory( block, BLAKE2S_BLOCKBYTES ); /* Burn the key from stack */
- }
- return 0;
-}
-
-#define G(r,i,a,b,c,d) \
- do { \
- a = a + b + m[blake2s_sigma[r][2*i+0]]; \
- d = rotr32(d ^ a, 16); \
- c = c + d; \
- b = rotr32(b ^ c, 12); \
- a = a + b + m[blake2s_sigma[r][2*i+1]]; \
- d = rotr32(d ^ a, 8); \
- c = c + d; \
- b = rotr32(b ^ c, 7); \
- } while(0)
-
-#define ROUND(r) \
- do { \
- G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \
- G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \
- G(r,2,v[ 2],v[ 6],v[10],v[14]); \
- G(r,3,v[ 3],v[ 7],v[11],v[15]); \
- G(r,4,v[ 0],v[ 5],v[10],v[15]); \
- G(r,5,v[ 1],v[ 6],v[11],v[12]); \
- G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \
- G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \
- } while(0)
-
-static void blake2s_compress( blake2s_state *S, const uint8_t in[BLAKE2S_BLOCKBYTES] )
-{
- uint32_t m[16];
- uint32_t v[16];
- size_t i;
-
- for( i = 0; i < 16; ++i ) {
- m[i] = load32( in + i * sizeof( m[i] ) );
- }
-
- for( i = 0; i < 8; ++i ) {
- v[i] = S->h[i];
- }
-
- v[ 8] = blake2s_IV[0];
- v[ 9] = blake2s_IV[1];
- v[10] = blake2s_IV[2];
- v[11] = blake2s_IV[3];
- v[12] = S->t[0] ^ blake2s_IV[4];
- v[13] = S->t[1] ^ blake2s_IV[5];
- v[14] = S->f[0] ^ blake2s_IV[6];
- v[15] = S->f[1] ^ blake2s_IV[7];
-
- ROUND( 0 );
- ROUND( 1 );
- ROUND( 2 );
- ROUND( 3 );
- ROUND( 4 );
- ROUND( 5 );
- ROUND( 6 );
- ROUND( 7 );
- ROUND( 8 );
- ROUND( 9 );
-
- for( i = 0; i < 8; ++i ) {
- S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];
- }
-}
-
-#undef G
-#undef ROUND
-
-int blake2s_update( blake2s_state *S, const void *pin, size_t inlen )
-{
- const unsigned char * in = (const unsigned char *)pin;
- if( inlen > 0 )
- {
- size_t left = S->buflen;
- size_t fill = BLAKE2S_BLOCKBYTES - left;
- if( inlen > fill )
- {
- S->buflen = 0;
- memcpy( S->buf + left, in, fill ); /* Fill buffer */
- blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
- blake2s_compress( S, S->buf ); /* Compress */
- in += fill; inlen -= fill;
- while(inlen > BLAKE2S_BLOCKBYTES) {
- blake2s_increment_counter(S, BLAKE2S_BLOCKBYTES);
- blake2s_compress( S, in );
- in += BLAKE2S_BLOCKBYTES;
- inlen -= BLAKE2S_BLOCKBYTES;
- }
- }
- memcpy( S->buf + S->buflen, in, inlen );
- S->buflen += inlen;
- }
- return 0;
-}
-
-int blake2s_final( blake2s_state *S, void *out, size_t outlen )
-{
- uint8_t buffer[BLAKE2S_OUTBYTES] = {0};
- size_t i;
-
- if( out == NULL || outlen < S->outlen )
- return -1;
-
- if( blake2s_is_lastblock( S ) )
- return -1;
-
- blake2s_increment_counter( S, ( uint32_t )S->buflen );
- blake2s_set_lastblock( S );
- memset( S->buf + S->buflen, 0, BLAKE2S_BLOCKBYTES - S->buflen ); /* Padding */
- blake2s_compress( S, S->buf );
-
- for( i = 0; i < 8; ++i ) /* Output full hash to temp buffer */
- store32( buffer + sizeof( S->h[i] ) * i, S->h[i] );
-
- memcpy( out, buffer, outlen );
- secure_zero_memory(buffer, sizeof(buffer));
- return 0;
-}
-
-int blake2s( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen )
-{
- blake2s_state S[1];
-
- /* Verify parameters */
- if ( NULL == in && inlen > 0 ) return -1;
-
- if ( NULL == out ) return -1;
-
- if ( NULL == key && keylen > 0) return -1;
-
- if( !outlen || outlen > BLAKE2S_OUTBYTES ) return -1;
-
- if( keylen > BLAKE2S_KEYBYTES ) return -1;
-
- if( keylen > 0 )
- {
- if( blake2s_init_key( S, outlen, key, keylen ) < 0 ) return -1;
- }
- else
- {
- if( blake2s_init( S, outlen ) < 0 ) return -1;
- }
-
- blake2s_update( S, ( const uint8_t * )in, inlen );
- blake2s_final( S, out, outlen );
- return 0;
-}
-
-#if defined(SUPERCOP)
-int crypto_hash( unsigned char *out, unsigned char *in, unsigned long long inlen )
-{
- return blake2s( out, BLAKE2S_OUTBYTES, in, inlen, NULL, 0 );
-}
-#endif
-
-#if defined(BLAKE2S_SELFTEST)
-#include <string.h>
-#include "blake2-kat.h"
-int main( void )
-{
- uint8_t key[BLAKE2S_KEYBYTES];
- uint8_t buf[BLAKE2_KAT_LENGTH];
- size_t i, step;
-
- for( i = 0; i < BLAKE2S_KEYBYTES; ++i )
- key[i] = ( uint8_t )i;
-
- for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
- buf[i] = ( uint8_t )i;
-
- /* Test simple API */
- for( i = 0; i < BLAKE2_KAT_LENGTH; ++i )
- {
- uint8_t hash[BLAKE2S_OUTBYTES];
- blake2s( hash, BLAKE2S_OUTBYTES, buf, i, key, BLAKE2S_KEYBYTES );
-
- if( 0 != memcmp( hash, blake2s_keyed_kat[i], BLAKE2S_OUTBYTES ) )
- {
- goto fail;
- }
- }
-
- /* Test streaming API */
- for(step = 1; step < BLAKE2S_BLOCKBYTES; ++step) {
- for (i = 0; i < BLAKE2_KAT_LENGTH; ++i) {
- uint8_t hash[BLAKE2S_OUTBYTES];
- blake2s_state S;
- uint8_t * p = buf;
- size_t mlen = i;
- int err = 0;
-
- if( (err = blake2s_init_key(&S, BLAKE2S_OUTBYTES, key, BLAKE2S_KEYBYTES)) < 0 ) {
- goto fail;
- }
-
- while (mlen >= step) {
- if ( (err = blake2s_update(&S, p, step)) < 0 ) {
- goto fail;
- }
- mlen -= step;
- p += step;
- }
- if ( (err = blake2s_update(&S, p, mlen)) < 0) {
- goto fail;
- }
- if ( (err = blake2s_final(&S, hash, BLAKE2S_OUTBYTES)) < 0) {
- goto fail;
- }
-
- if (0 != memcmp(hash, blake2s_keyed_kat[i], BLAKE2S_OUTBYTES)) {
- goto fail;
- }
- }
- }
-
- puts( "ok" );
- return 0;
-fail:
- puts("error");
- return -1;
-}
-#endif
DIR diff --git a/block.c b/block.c
@@ -145,7 +145,7 @@ bclose(struct bctx *bctx)
struct bparam *
bparamdef(void)
{
- static struct bparam bpar = { .calgo = "snappy", .halgo = "blake2b" };
+ static struct bparam bpar = { .calgo = "snappy" };
return &bpar;
}
DIR diff --git a/block.h b/block.h
@@ -11,7 +11,6 @@ struct bctx {
struct bparam {
char *calgo;
- char *halgo;
};
/*
DIR diff --git a/bstorage.c b/bstorage.c
@@ -20,7 +20,8 @@
#include <string.h>
#include <unistd.h>
-#include "blake2.h"
+#include <sodium.h>
+
#include "block.h"
#include "config.h"
#include "queue.h"
@@ -34,19 +35,14 @@
#define VMINMASK 0xff
#define VMAJSHIFT 8
#define VMAJMASK 0xff
-#define HALGOSHIFT 19
-#define HALGOMASK 0x7
#define CALGOSHIFT 16
#define CALGOMASK 0x7
#define CNONETYPE 0
#define CSNAPPYTYPE 1
-#define HBLAKE2BTYPE 0
-#define HBLAKE2STYPE 1
#define BHDRSIZE (NBHDRMAGIC + 8 + 8)
/* block descriptor flags */
-#define BD2BTYPE 0x100
-#define BD2STYPE 0x101
+#define BDTYPE 0x100
#define BDSIZE (8 + 8 + 8 + 8 + (MDSIZE))
/* misc helpers */
@@ -86,7 +82,7 @@ struct bhdr {
/* Block descriptor */
struct bd {
- uint16_t type; /* type of hashing algorithm used */
+ uint16_t type; /* BDTYPE */
uint8_t reserved[6]; /* should be set to 0 when writing */
uint64_t offset; /* block offset */
uint64_t size; /* block size */
@@ -104,7 +100,6 @@ struct sctx {
struct bhdr bhdr; /* block header entry */
int fd; /* underlying storage file descriptor */
int rdonly; /* when set to 1, the bssync() operation is a no-op */
- int type; /* hash algorithm for new blocks */
};
static int
@@ -123,27 +118,9 @@ static RB_PROTOTYPE(bdcache, bd, rbe, bd_cmp)
static RB_GENERATE(bdcache, bd, rbe, bd_cmp)
static int
-b2bhash(void *buf, size_t n, unsigned char *md)
-{
- blake2b_state ctx;
-
- if (blake2b_init(&ctx, MDSIZE) < 0)
- return -1;
- if (blake2b_update(&ctx, buf, n) < 0)
- return -1;
- return blake2b_final(&ctx, md, MDSIZE);
-}
-
-static int
-b2shash(void *buf, size_t n, unsigned char *md)
+bhash(void *buf, size_t n, unsigned char *md)
{
- blake2s_state ctx;
-
- if (blake2s_init(&ctx, MDSIZE) < 0)
- return -1;
- if (blake2s_update(&ctx, buf, n) < 0)
- return -1;
- return blake2s_final(&ctx, md, MDSIZE);
+ return crypto_generichash(md, MDSIZE, buf, n, NULL, 0);
}
/* Read block header */
@@ -245,7 +222,7 @@ loadbd(struct sctx *sctx)
return -1;
}
- if (bd->type != BD2BTYPE && bd->type != BD2STYPE) {
+ if (bd->type != BDTYPE) {
free(bd);
return -1;
}
@@ -340,18 +317,6 @@ bscreat(struct bctx *bctx, char *path, int mode, struct bparam *bpar)
return -1;
}
- /* Set hash type */
- if (strcmp(bpar->halgo, "blake2b") == 0) {
- bhdr->flags |= HBLAKE2BTYPE << HALGOSHIFT;
- sctx->type = BD2BTYPE;
- } else if (strcmp(bpar->halgo, "blake2s") == 0) {
- bhdr->flags |= HBLAKE2STYPE << HALGOSHIFT;
- sctx->type = BD2STYPE;
- } else {
- free(sctx);
- close(fd);
- return -1;
- }
bhdr->nbd = 0;
sctx->fd = fd;
@@ -370,7 +335,7 @@ bsopen(struct bctx *bctx, char *path, int flags, int mode, struct bparam *bpar)
{
struct sctx *sctx;
struct bhdr *bhdr;
- int fd, calgo, halgo;
+ int fd, calgo;
switch (flags) {
case B_READ:
@@ -434,23 +399,6 @@ bsopen(struct bctx *bctx, char *path, int flags, int mode, struct bparam *bpar)
return -1;
}
- /* Populate bparam hash algo */
- halgo = (bhdr->flags >> HALGOSHIFT) & HALGOMASK;
- switch (halgo) {
- case HBLAKE2BTYPE:
- bpar->halgo = "blake2b";
- sctx->type = BD2BTYPE;
- break;
- case HBLAKE2STYPE:
- bpar->halgo = "blake2s";
- sctx->type = BD2STYPE;
- break;
- default:
- free(sctx);
- close(fd);
- return -1;
- }
-
sctx->fd = fd;
sctx->rdonly = flags == O_RDONLY;
@@ -475,25 +423,15 @@ bsput(struct bctx *bctx, void *buf, size_t n, unsigned char *md)
struct bd key, *bd;
off_t offs;
- sctx = bctx->sctx;
- switch (sctx->type) {
- case BD2BTYPE:
- if (b2bhash(buf, n, key.md) < 0)
- return -1;
- break;
- case BD2STYPE:
- if (b2shash(buf, n, key.md) < 0)
- return -1;
- break;
- default:
+ if (bhash(buf, n, key.md) < 0)
return -1;
- }
/*
* If the block is already present in the cache
* just increment the reference count and write back
* the block descriptor associated for that block.
*/
+ sctx = bctx->sctx;
bd = RB_FIND(bdcache, &sctx->bdcache, &key);
if (bd != NULL) {
off_t bdoffs;
@@ -521,7 +459,7 @@ bsput(struct bctx *bctx, void *buf, size_t n, unsigned char *md)
bd = calloc(1, sizeof(*bd));
if (bd == NULL)
return -1;
- bd->type = sctx->type;
+ bd->type = BDTYPE;
bd->offset = offs + BDSIZE;
bd->size = n;
bd->refcnt = 1;
@@ -684,24 +622,10 @@ bscheck(struct bctx *bctx, unsigned char *md)
return -1;
}
- switch (bd->type) {
- case BD2BTYPE:
- if (b2bhash(buf, bd->size, key.md) < 0) {
- free(buf);
- return -1;
- }
- break;
- case BD2STYPE:
- if (b2shash(buf, bd->size, key.md) < 0) {
- free(buf);
- return -1;
- }
- break;
- default:
+ if (bhash(buf, bd->size, key.md) < 0) {
free(buf);
return -1;
}
- free(buf);
if (memcmp(key.md, md, MDSIZE) != 0)
return -1;
DIR diff --git a/dup-init.1 b/dup-init.1
@@ -7,7 +7,6 @@
.Sh SYNOPSIS
.Nm dup-init
.Op Fl v
-.Op Fl H Ar hash
.Op Fl Z Ar compressor
.Op repo
.Sh DESCRIPTION
@@ -18,11 +17,6 @@ If no
is specified the current working directory is used.
.Sh OPTIONS
.Bl -tag -width "-Z compressor"
-.It Fl H Ar hash
-The cryptographic hash function used to identify
-unique blocks in the store.
-The supported hash functions are blake2b and blake2s.
-By default blake2b is used.
.It Fl Z Ar compressor
The compressor function used to compress the blocks
in the store.
DIR diff --git a/dup-init.c b/dup-init.c
@@ -17,7 +17,7 @@ char *argv0;
static void
usage(void)
{
- fprintf(stderr, "usage: %s [-v] [-H hash] [-Z compressor] [repo]\n", argv0);
+ fprintf(stderr, "usage: %s [-v] [-Z compressor] [repo]\n", argv0);
exit(1);
}
@@ -29,12 +29,8 @@ main(int argc, char *argv[])
char *repo;
bpar.calgo = bparamdef()->calgo;
- bpar.halgo = bparamdef()->halgo;
ARGBEGIN {
- case 'H':
- bpar.halgo = EARGF(usage());
- break;
case 'Z':
bpar.calgo = EARGF(usage());
break;
DIR diff --git a/test006 b/test006
@@ -1,16 +0,0 @@
-#!/bin/sh
-set -ex
-
-repo=`mktemp -d`
-data=`mktemp`
-dd if=/dev/urandom of="$data" bs=1M count=64
-./dup-init -H blake2s "$repo"
-./dup-pack -r "$repo" snap0 < "$data"
-./dup-pack -r "$repo" snap1 < "$data"
-du -sh "$repo"
-sum0=`sha1sum "$data" | awk '{print $1}'`
-sum1=`./dup-unpack -r "$repo" snap0 | sha1sum | awk '{print $1}'`
-sum2=`./dup-unpack -r "$repo" snap1 | sha1sum | awk '{print $1}'`
-[ "$sum0" = "$sum1" ]
-[ "$sum0" = "$sum2" ]
-rm -rf "$repo" "$data"