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Revert bd8cbd3175

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Go back to masking the high bit in curve25519 instead of processing the
key as a 256-bit value.
This commit is contained in:
Frank Denis 2014-06-06 08:22:11 -07:00
parent 6145edc563
commit 2058eaea99
6 changed files with 0 additions and 80 deletions
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2
.gitignore vendored
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@ -88,8 +88,6 @@ test/default/scalarmult
test/default/scalarmult2
test/default/scalarmult5
test/default/scalarmult6
test/default/scalarmult7
test/default/scalarmult8
test/default/secretbox
test/default/secretbox2
test/default/secretbox7

12
test/default/Makefile.am
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@ -37,8 +37,6 @@ EXTRA_DIST = \
scalarmult2.exp \
scalarmult5.exp \
scalarmult6.exp \
scalarmult7.exp \
scalarmult8.exp \
secretbox.exp \
secretbox2.exp \
secretbox7.exp \
@ -94,8 +92,6 @@ DISTCLEANFILES = \
scalarmult2.res \
scalarmult5.res \
scalarmult6.res \
scalarmult7.res \
scalarmult8.res \
secretbox.res \
secretbox2.res \
secretbox7.res \
@ -159,8 +155,6 @@ TESTS_TARGETS = \
scalarmult2 \
scalarmult5 \
scalarmult6 \
scalarmult7 \
scalarmult8 \
secretbox \
secretbox2 \
secretbox7 \
@ -292,12 +286,6 @@ scalarmult5_LDADD = $(TESTS_LDADD)
scalarmult6_SOURCE = cmptest.h scalarmult6.c
scalarmult6_LDADD = $(TESTS_LDADD)
scalarmult7_SOURCE = cmptest.h scalarmult7.c
scalarmult7_LDADD = $(TESTS_LDADD)
scalarmult8_SOURCE = cmptest.h scalarmult8.c
scalarmult8_LDADD = $(TESTS_LDADD)
secretbox_SOURCE = cmptest.h secretbox.c
secretbox_LDADD = $(TESTS_LDADD)

32
test/default/scalarmult7.c
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@ -1,32 +0,0 @@
#include <stdio.h>
#include <string.h>
#define TEST_NAME "scalarmult7"
#include "cmptest.h"
unsigned char p1[32] = {
0x72, 0x20, 0xf0, 0x09, 0x89, 0x30, 0xa7, 0x54,
0x74, 0x8b, 0x7d, 0xdc, 0xb4, 0x3e, 0xf7, 0x5a,
0x0d, 0xbf, 0x3a, 0x0d, 0x26, 0x38, 0x1a, 0xf4,
0xeb, 0xa4, 0xa9, 0x8e, 0xaa, 0x9b, 0x4e, 0xea
};
unsigned char p2[32] = {
0x85, 0x20, 0xf0, 0x09, 0x89, 0x30, 0xa7, 0x54,
0x74, 0x8b, 0x7d, 0xdc, 0xb4, 0x3e, 0xf7, 0x5a,
0x0d, 0xbf, 0x3a, 0x0d, 0x26, 0x38, 0x1a, 0xf4,
0xeb, 0xa4, 0xa9, 0x8e, 0xaa, 0x9b, 0x4e, 0x6a
};
unsigned char scalar[32];
unsigned char out1[32];
unsigned char out2[32];
int main(void)
{
scalar[0] = 1U;
crypto_scalarmult_curve25519(out1, scalar, p1);
crypto_scalarmult_curve25519(out2, scalar, p2);
printf("%d\n", memcmp(out1, out2, sizeof out1));
return 0;
}

1
test/default/scalarmult7.exp
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@ -1 +0,0 @@
0

32
test/default/scalarmult8.c
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@ -1,32 +0,0 @@
#include <stdio.h>
#include <string.h>
#define TEST_NAME "scalarmult7"
#include "cmptest.h"
unsigned char p1[32] = {
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF
};
unsigned char p2[32] = {
0x25,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
unsigned char scalar[32];
unsigned char out1[32];
unsigned char out2[32];
int main(void)
{
scalar[0] = 1U;
crypto_scalarmult_curve25519(out1, scalar, p1);
crypto_scalarmult_curve25519(out2, scalar, p2);
printf("%d\n", memcmp(out1, out2, sizeof out1));
return 0;
}

1
test/default/scalarmult8.exp
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@ -1 +0,0 @@
0