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pkg/micro-ecc: adapted patch files to hwrng changes

pr/gpio
Hauke Petersen 7 years ago
parent
commit
c4ae555f5c
  1. 5
      pkg/micro-ecc/0001-Add-RIOT-Makefile.patch
  2. 75
      pkg/micro-ecc/0002-Include-RIOT-Hardware-RNG-interface.patch

5
pkg/micro-ecc/0001-Add-RIOT-Makefile.patch

@ -1,4 +1,4 @@
From d6c1cb4244c72a8fa7d5a8550c8193700cd0de03 Mon Sep 17 00:00:00 2001
From 146edb3bb6d23c8d3571bac0b12fd4d1ddc16639 Mon Sep 17 00:00:00 2001
From: Frank Holtz <frank-riot2015@holtznet.de>
Date: Sat, 27 Dec 2014 19:57:01 +0100
Subject: [PATCH 1/2] Add RIOT Makefile
@ -19,5 +19,4 @@ index 0000000..33c8152
+
+include $(RIOTBASE)/Makefile.base
--
1.8.3.1
2.7.1

75
pkg/micro-ecc/0002-Include-RIOT-Hardware-RNG-interface.patch

@ -1,15 +1,15 @@
From 60ac2261d89d1a483bef4676c1e9b16fec8830d1 Mon Sep 17 00:00:00 2001
From 2ab8fb085a02fec23ca817bd6de8848df160970b Mon Sep 17 00:00:00 2001
From: Frank Holtz <frank-riot2015@holtznet.de>
Date: Sat, 17 Jan 2015 18:41:14 +0100
Subject: [PATCH 2/2] Include RIOT Hardware RNG interface
---
uECC.c | 99 +++++++++++-------------------------------------------------------
uECC.h | 28 +------------------
2 files changed, 17 insertions(+), 110 deletions(-)
uECC.c | 93 +++++++-----------------------------------------------------------
uECC.h | 28 +-------------------
2 files changed, 11 insertions(+), 110 deletions(-)
diff --git a/uECC.c b/uECC.c
index aded242..5fe3389 100644
index aded242..8b355a4 100644
--- a/uECC.c
+++ b/uECC.c
@@ -322,85 +322,6 @@ static void vli_square(uECC_word_t *p_result, uECC_word_t *p_left);
@ -98,86 +98,67 @@ index aded242..5fe3389 100644
#ifdef __GNUC__ /* Only support GCC inline asm for now */
#if (uECC_ASM && (uECC_PLATFORM == uECC_avr))
#include "asm_avr.inc"
@@ -1779,11 +1700,15 @@ int uECC_make_key(uint8_t p_publicKey[uECC_BYTES*2], uint8_t p_privateKey[uECC_B
uECC_word_t l_private[uECC_WORDS];
uECC_word_t l_tries = 0;
+ /* power on rng */
+ random_poweron();
+
@@ -1782,10 +1703,13 @@ int uECC_make_key(uint8_t p_publicKey[uECC_BYTES*2], uint8_t p_privateKey[uECC_B
do
{
repeat:
- if(!g_rng((uint8_t *)l_private, sizeof(l_private)) || (l_tries++ >= MAX_TRIES))
+ if(random_read((char *)l_private, sizeof(l_private))!=sizeof(l_private) || (l_tries++ >= MAX_TRIES))
+ if(l_tries++ >= MAX_TRIES)
{
+ random_poweroff();
return 0;
}
+
+ hwrng_read((uint8_t *)l_private, sizeof(l_private));
+
if(vli_isZero(l_private))
@@ -1805,6 +1730,7 @@ int uECC_make_key(uint8_t p_publicKey[uECC_BYTES*2], uint8_t p_privateKey[uECC_B
vli_nativeToBytes(p_privateKey, l_private);
vli_nativeToBytes(p_publicKey, l_public.x);
vli_nativeToBytes(p_publicKey + uECC_BYTES, l_public.y);
+ random_poweroff();
return 1;
}
@@ -1814,7 +1740,9 @@ int uECC_shared_secret(const uint8_t p_publicKey[uECC_BYTES*2], const uint8_t p_
{
goto repeat;
@@ -1814,7 +1738,7 @@ int uECC_shared_secret(const uint8_t p_publicKey[uECC_BYTES*2], const uint8_t p_
uECC_word_t l_private[uECC_WORDS];
uECC_word_t l_random[uECC_WORDS];
- g_rng((uint8_t *)l_random, sizeof(l_random));
+ random_poweron();
+ random_read((char *)l_random, sizeof(l_random));
+ random_poweroff();
+ hwrng_read((uint8_t *)l_random, sizeof(l_random));
vli_bytesToNative(l_private, p_privateKey);
vli_bytesToNative(l_public.x, p_publicKey);
@@ -2152,11 +2080,14 @@ int uECC_sign(const uint8_t p_privateKey[uECC_BYTES], const uint8_t p_hash[uECC_
EccPoint p;
uECC_word_t l_tries = 0;
+ random_poweron();
+
@@ -2155,11 +2079,13 @@ int uECC_sign(const uint8_t p_privateKey[uECC_BYTES], const uint8_t p_hash[uECC_
do
{
repeat:
- if(!g_rng((uint8_t *)k, sizeof(k)) || (l_tries++ >= MAX_TRIES))
+ if(random_read((char *)k, sizeof(k))!=sizeof(k) || (l_tries++ >= MAX_TRIES))
+ if(l_tries++ >= MAX_TRIES)
{
+ random_poweroff();
return 0;
}
@@ -2203,8 +2134,9 @@ int uECC_sign(const uint8_t p_privateKey[uECC_BYTES], const uint8_t p_hash[uECC_
+ hwrng_read((uint8_t *)k, sizeof(k));
+
if(vli_isZero(k))
{
goto repeat;
@@ -2203,10 +2129,11 @@ int uECC_sign(const uint8_t p_privateKey[uECC_BYTES], const uint8_t p_hash[uECC_
l_tries = 0;
do
{
- if(!g_rng((uint8_t *)l_tmp, sizeof(l_tmp)) || (l_tries++ >= MAX_TRIES))
+ if(random_read((char *)l_tmp, sizeof(l_tmp))!=sizeof(l_tmp) || (l_tries++ >= MAX_TRIES))
+ if(l_tries++ >= MAX_TRIES)
{
+ random_poweroff();
return 0;
}
+ hwrng_read((uint8_t *)l_tmp, sizeof(l_tmp));
} while(vli_isZero(l_tmp));
@@ -2234,6 +2166,7 @@ int uECC_sign(const uint8_t p_privateKey[uECC_BYTES], const uint8_t p_hash[uECC_
#endif
vli_nativeToBytes(p_signature + uECC_BYTES, s);
+ random_poweroff();
return 1;
}
/* Prevent side channel analysis of vli_modInv() to determine
diff --git a/uECC.h b/uECC.h
index 2c9927b..27a2e47 100644
index 2c9927b..02e2f22 100644
--- a/uECC.h
+++ b/uECC.h
@@ -4,6 +4,7 @@
#define _MICRO_ECC_H_
#include <stdint.h>
+#include "periph/random.h"
+#include "periph/hwrng.h"
/* Platform selection options.
If uECC_PLATFORM is not defined, the code will try to guess it based on compiler macros.
@ -216,5 +197,5 @@ index 2c9927b..27a2e47 100644
Create a public/private key pair.
--
1.8.3.1
2.7.1

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