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This commit is contained in:
NIIBE Yutaka 2017-09-28 16:44:54 +09:00
parent 86715dd4fe
commit 81b18f2db4
4 changed files with 17 additions and 5 deletions
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4
ChangeLog
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@ -1,5 +1,9 @@
2017-09-28 NIIBE Yutaka <gniibe@fsij.org>
* src/ec_p256k1.c (coefficient_a): Remove.
* library/bignum.c (mpi_fill_pseudo_random): Fix for 64-bit.
* src/call-rsa.c (rsa_decrypt): Fix for 64-bit machine.
* src/flash.c (flash_do_storage_init): Rename from flash_init.

12
polarssl/library/bignum.c
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@ -2052,17 +2052,19 @@ jkiss (struct jkiss_state *s)
static int mpi_fill_pseudo_random ( mpi *X, size_t size)
{
int ret;
uint32_t *p;
uint32_t *p, *p_end;
MPI_CHK( mpi_grow( X, CHARS_TO_LIMBS( size ) ) );
MPI_CHK( mpi_lset( X, 0 ) );
/* Assume little endian. */
p = X->p;
while (p < X->p + (size/ciL))
p = (uint32_t *)X->p;
p_end = (uint32_t *)(X->p + (size/sizeof (uint32_t)));
while (p < p_end)
*p++ = jkiss (&jkiss_state_v);
if ((size % ciL))
*p = jkiss (&jkiss_state_v) & ((1 << (8*(size % ciL))) - 1);
if ((size%sizeof (uint32_t)))
*p = jkiss (&jkiss_state_v) & ((1 << (8*(size % sizeof (uint32_t)))) - 1);
cleanup:
return ret;

4
src/Makefile
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@ -31,6 +31,10 @@ USE_USB = yes
USE_ADC = yes
USE_EVENTFLAG = yes
ifneq ($(EMULATION),)
DEFS += -DBN256_C_IMPLEMENTATION
endif
ifneq ($(ENABLE_DEBUG),)
CSRC += debug.c
endif

2
src/ec_p256k1.c
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@ -42,9 +42,11 @@
/*
* a = 0, b = 7
*/
#if 0
static const bn256 coefficient_a[1] = {
{{ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 }}
};
#endif
static const bn256 coefficient_b[1] = {
{{ 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 }}