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Revert "Add crypto_shorthash() for non collision-resistant hash functions"

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This reverts commit c8fe5c4afb.

Conflicts:
	.gitignore
	test/Makefile.am
	test/default/shorthash.c
	test/default/shorthash.exp
This commit is contained in:
Frank Denis 2013-02-13 20:33:17 +08:00
parent 5c946f9c61
commit e5e2150919
11 changed files with 177 additions and 162 deletions
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1
.gitignore vendored
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@ -71,7 +71,6 @@ test/default/secretbox
test/default/secretbox2
test/default/secretbox7
test/default/secretbox8
test/default/shorthash
test/default/stream
test/default/stream2
test/default/stream3

2
src/libsodium/Makefile.am
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@ -22,8 +22,6 @@ libsodium_la_SOURCES = \
crypto_hash/sha256/ref/hash_sha256.c \
crypto_hash/sha512/ref/crypto_hash.h \
crypto_hash/sha512/ref/hash_sha512.c \
crypto_shorthash/siphash24/ref/crypto_shorthash.h \
crypto_shorthash/siphash24/ref/shorthash_siphash24.c \
crypto_verify/16/ref/crypto_verify.h \
crypto_verify/16/ref/verify_16.c \
crypto_verify/32/ref/crypto_verify.h \

2
src/libsodium/crypto_shorthash/siphash24/ref/api.h
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@ -1,2 +0,0 @@
#define CRYPTO_BYTES 8
#define CRYPTO_KEYBYTES 16

12
src/libsodium/crypto_shorthash/siphash24/ref/crypto_shorthash.h
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@ -1,12 +0,0 @@
#ifndef crypto_shorthash_H
#define crypto_shorthash_H
#include "crypto_shorthash_siphash24.h"
#define crypto_shorthash crypto_shorthash_siphash24
#define crypto_shorthash_BYTES crypto_shorthash_siphash24_BYTES
#define crypto_shorthash_PRIMITIVE "siphash24"
#define crypto_shorthash_IMPLEMENTATION crypto_shorthash_siphash24_IMPLEMENTATION
#define crypto_shorthash_VERSION crypto_shorthash_siphash24_VERSION
#endif

91
src/libsodium/crypto_shorthash/siphash24/ref/shorthash_siphash24.c
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@ -1,91 +0,0 @@
#include "crypto_shorthash.h"
#include "crypto_uint64.h"
#include "crypto_uint32.h"
#include "crypto_uint8.h"
typedef crypto_uint64 u64;
typedef crypto_uint32 u32;
typedef crypto_uint8 u8;
#define ROTL(x,b) (u64)( ((x) << (b)) | ( (x) >> (64 - (b))) )
#define U32TO8_LE(p, v) \
(p)[0] = (u8)((v) ); (p)[1] = (u8)((v) >> 8); \
(p)[2] = (u8)((v) >> 16); (p)[3] = (u8)((v) >> 24);
#define U64TO8_LE(p, v) \
U32TO8_LE((p), (u32)((v) )); \
U32TO8_LE((p) + 4, (u32)((v) >> 32));
#define U8TO64_LE(p) \
(((u64)((p)[0]) ) | \
((u64)((p)[1]) << 8) | \
((u64)((p)[2]) << 16) | \
((u64)((p)[3]) << 24) | \
((u64)((p)[4]) << 32) | \
((u64)((p)[5]) << 40) | \
((u64)((p)[6]) << 48) | \
((u64)((p)[7]) << 56))
#define SIPROUND \
do { \
v0 += v1; v1=ROTL(v1,13); v1 ^= v0; v0=ROTL(v0,32); \
v2 += v3; v3=ROTL(v3,16); v3 ^= v2; \
v0 += v3; v3=ROTL(v3,21); v3 ^= v0; \
v2 += v1; v1=ROTL(v1,17); v1 ^= v2; v2=ROTL(v2,32); \
} while(0)
int crypto_shorthash(unsigned char *out,const unsigned char *in,unsigned long long inlen)
{
/* "somepseudorandomlygeneratedbytes" */
u64 v0 = 0x736f6d6570736575ULL;
u64 v1 = 0x646f72616e646f6dULL;
u64 v2 = 0x6c7967656e657261ULL;
u64 v3 = 0x7465646279746573ULL;
u64 b;
u64 k0 = U8TO64_LE( out );
u64 k1 = U8TO64_LE( out + 8 );
u64 m;
const u8 *end = in + inlen - ( inlen % sizeof( u64 ) );
const int left = inlen & 7;
b = ( ( u64 )inlen ) << 56;
v3 ^= k1;
v2 ^= k0;
v1 ^= k1;
v0 ^= k0;
for ( ; in != end; in += 8 )
{
m = U8TO64_LE( in );
v3 ^= m;
SIPROUND;
SIPROUND;
v0 ^= m;
}
switch( left )
{
case 7: b |= ( ( u64 )in[ 6] ) << 48;
case 6: b |= ( ( u64 )in[ 5] ) << 40;
case 5: b |= ( ( u64 )in[ 4] ) << 32;
case 4: b |= ( ( u64 )in[ 3] ) << 24;
case 3: b |= ( ( u64 )in[ 2] ) << 16;
case 2: b |= ( ( u64 )in[ 1] ) << 8;
case 1: b |= ( ( u64 )in[ 0] ); break;
case 0: break;
}
v3 ^= b;
SIPROUND;
SIPROUND;
v0 ^= b;
v2 ^= 0xff;
SIPROUND;
SIPROUND;
SIPROUND;
SIPROUND;
b = v0 ^ v1 ^ v2 ^ v3;
U64TO8_LE( out, b );
return 0;
}

2
src/libsodium/include/Makefile.am
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@ -20,8 +20,6 @@ SODIUM_EXPORT = \
sodium/crypto_scalarmult_curve25519.h \
sodium/crypto_secretbox.h \
sodium/crypto_secretbox_xsalsa20poly1305.h \
sodium/crypto_shorthash.h \
sodium/crypto_shorthash_siphash24.h \
sodium/crypto_sign.h \
sodium/crypto_sign_ed25519.h \
sodium/crypto_sign_edwards25519sha512batch.h \

12
src/libsodium/include/sodium/crypto_shorthash.h
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@ -1,12 +0,0 @@
#ifndef crypto_shorthash_H
#define crypto_shorthash_H
#include "crypto_shorthash_siphash24.h"
#define crypto_shorthash crypto_shorthash_siphash24
#define crypto_shorthash_BYTES crypto_shorthash_siphash24_BYTES
#define crypto_shorthash_PRIMITIVE "siphash24"
#define crypto_shorthash_IMPLEMENTATION crypto_shorthash_siphash24_IMPLEMENTATION
#define crypto_shorthash_VERSION crypto_shorthash_siphash24_VERSION
#endif

22
src/libsodium/include/sodium/crypto_shorthash_siphash24.h
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@ -1,22 +0,0 @@
#ifndef crypto_shorthash_siphash24_H
#define crypto_shorthash_siphash24_H
#define crypto_shorthash_siphash24_ref_BYTES 8
#ifdef __cplusplus
#include <string>
extern "C" {
#endif
extern int crypto_shorthash_siphash24_ref(unsigned char *,const unsigned char *,unsigned long long);
#ifdef __cplusplus
}
#endif
#define crypto_shorthash_siphash24 crypto_shorthash_siphash24_ref
#define crypto_shorthash_siphash24_BYTES crypto_shorthash_siphash24_ref_BYTES
#define crypto_shorthash_siphash24_IMPLEMENTATION
#ifndef crypto_shorthash_siphash24_ref_VERSION
#define crypto_shorthash_siphash24_ref_VERSION "-"
#endif
#define crypto_shorthash_siphash24_VERSION crypto_shorthash_siphash24_ref_VERSION
#endif

177
test/Makefile.am
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@ -3,3 +3,180 @@ SUBDIRS = \
EXTRA_DIST = \
quirks/windows/windows-quirks.h
cmptest.h \
auth.exp \
auth2.exp \
auth3.exp \
auth5.exp \
box.exp \
box2.exp \
box7.exp \
box8.exp \
core1.exp \
core2.exp \
core3.exp \
core4.exp \
core5.exp \
core6.exp \
hash.exp \
hash2.exp \
hash3.exp \
onetimeauth.exp \
onetimeauth2.exp \
onetimeauth7.exp \
scalarmult.exp \
scalarmult2.exp \
scalarmult5.exp \
scalarmult6.exp \
secretbox.exp \
secretbox2.exp \
secretbox7.exp \
secretbox8.exp \
stream.exp \
stream2.exp \
stream3.exp \
stream4.exp
AM_CPPFLAGS = \
-I$(top_srcdir)/src/libsodium/include \
-I$(top_srcdir)/src/libsodium/include/sodium
TESTS_TARGETS = \
auth \
auth2 \
auth3 \
auth5 \
box \
box2 \
box7 \
box8 \
core1 \
core2 \
core3 \
core4 \
core5 \
core6 \
hash \
hash3 \
onetimeauth \
onetimeauth2 \
onetimeauth7 \
randombytes \
scalarmult \
scalarmult2 \
scalarmult5 \
scalarmult6 \
secretbox \
secretbox2 \
secretbox7 \
secretbox8 \
stream \
stream2 \
stream3 \
stream4
check_PROGRAMS = $(TESTS_TARGETS)
TESTS = $(TESTS_TARGETS)
TESTS_LDADD = \
${top_builddir}/src/libsodium/libsodium.la
auth_SOURCE = cmptest.h auth.c
auth_LDADD = $(TESTS_LDADD)
auth2_SOURCE = cmptest.h auth2.c
auth2_LDADD = $(TESTS_LDADD)
auth3_SOURCE = cmptest.h auth3.c
auth3_LDADD = $(TESTS_LDADD)
auth5_SOURCE = cmptest.h auth5.c windows/windows-quirks.h
auth5_LDADD = $(TESTS_LDADD)
box_SOURCE = cmptest.h box.c
box_LDADD = $(TESTS_LDADD)
box2_SOURCE = cmptest.h box2.c
box2_LDADD = $(TESTS_LDADD)
box7_SOURCE = cmptest.h box7.c
box7_LDADD = $(TESTS_LDADD)
box8_SOURCE = cmptest.h box8.c
box8_LDADD = $(TESTS_LDADD)
core1_SOURCE = cmptest.h core1.c
core1_LDADD = $(TESTS_LDADD)
core2_SOURCE = cmptest.h core2.c
core2_LDADD = $(TESTS_LDADD)
core3_SOURCE = cmptest.h core3.c
core3_LDADD = $(TESTS_LDADD)
core4_SOURCE = cmptest.h core4.c
core4_LDADD = $(TESTS_LDADD)
core5_SOURCE = cmptest.h core5.c
core5_LDADD = $(TESTS_LDADD)
core6_SOURCE = cmptest.h core6.c
core6_LDADD = $(TESTS_LDADD)
hash_SOURCE = cmptest.h hash.c
hash_LDADD = $(TESTS_LDADD)
hash3_SOURCE = cmptest.h hash3.c
hash3_LDADD = $(TESTS_LDADD)
onetimeauth_SOURCE = cmptest.h onetimeauth.c
onetimeauth_LDADD = $(TESTS_LDADD)
onetimeauth2_SOURCE = cmptest.h onetimeauth2.c
onetimeauth2_LDADD = $(TESTS_LDADD)
onetimeauth7_SOURCE = cmptest.h onetimeauth7.c
onetimeauth7_LDADD = $(TESTS_LDADD)
randombytes_SOURCE = randombytes.c
randombytes_LDADD = $(TESTS_LDADD)
scalarmult_SOURCE = cmptest.h scalarmult.c
scalarmult_LDADD = $(TESTS_LDADD)
scalarmult2_SOURCE = cmptest.h scalarmult2.c
scalarmult2_LDADD = $(TESTS_LDADD)
scalarmult5_SOURCE = cmptest.h scalarmult5.c
scalarmult5_LDADD = $(TESTS_LDADD)
scalarmult6_SOURCE = cmptest.h scalarmult6.c
scalarmult6_LDADD = $(TESTS_LDADD)
secretbox_SOURCE = cmptest.h secretbox.c
secretbox_LDADD = $(TESTS_LDADD)
secretbox2_SOURCE = cmptest.h secretbox2.c
secretbox2_LDADD = $(TESTS_LDADD)
secretbox7_SOURCE = cmptest.h secretbox7.c
secretbox7_LDADD = $(TESTS_LDADD)
secretbox8_SOURCE = cmptest.h secretbox8.c
secretbox8_LDADD = $(TESTS_LDADD)
stream_SOURCE = cmptest.h stream.c
stream_LDADD = $(TESTS_LDADD)
stream2_SOURCE = cmptest.h stream2.c
stream2_LDADD = $(TESTS_LDADD)
stream3_SOURCE = cmptest.h stream3.c
stream3_LDADD = $(TESTS_LDADD)
stream4_SOURCE = cmptest.h stream4.c
stream4_LDADD = $(TESTS_LDADD)
verify: check

17
test/default/shorthash.c
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@ -1,17 +0,0 @@
#include <stdio.h>
#include "crypto_shorthash.h"
#define TEST_NAME "shorthash"
#include "cmptest.h"
unsigned char x[8] = "testing\n";
unsigned char h[crypto_shorthash_BYTES];
int main(void)
{
int i;
crypto_shorthash(h,x,sizeof x);
for (i = 0;i < crypto_shorthash_BYTES;++i) printf("%02x",(unsigned int) h[i]);
printf("\n");
return 0;
}

1
test/default/shorthash.exp
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@ -1 +0,0 @@
4656ce5d9cdde68d