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Some formatting changes.

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This commit is contained in:
Ken MacKay
2013-05-24 00:02:05 -07:00
parent c774993fac
commit 3e1910ebfb
2 changed files with 11 additions and 13 deletions
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ecdh.c
+6 -6
View File
@@ -89,7 +89,7 @@ static uint vli_numDigits(uint32_t *p_vli)
int i;
/* Search from the end until we find a non-zero digit.
We do it in reverse because we expect that most digits will be nonzero. */
for (i = NUM_ECC_DIGITS - 1; i >= 0 && p_vli[i] == 0; --i)
for(i = NUM_ECC_DIGITS - 1; i >= 0 && p_vli[i] == 0; --i)
{
}
@@ -489,7 +489,7 @@ static void vli_mmod_fast(uint32_t *p_result, uint32_t *p_product)
{
uint32_t l_tmp[2*NUM_ECC_DIGITS];
while (!vli_isZero(p_product + NUM_ECC_DIGITS)) /* While c1 != 0 */
while(!vli_isZero(p_product + NUM_ECC_DIGITS)) /* While c1 != 0 */
{
uint32_t l_carry = 0;
uint i;
@@ -511,7 +511,7 @@ static void vli_mmod_fast(uint32_t *p_result, uint32_t *p_product)
}
}
while (vli_cmp(p_product, curve_p) > 0)
while(vli_cmp(p_product, curve_p) > 0)
{
vli_sub(p_product, p_product, curve_p);
}
@@ -599,7 +599,7 @@ static void vli_modInv(uint32_t *p_result, uint32_t *p_input, uint32_t *p_mod)
vli_clear(v);
int l_cmpResult;
while ((l_cmpResult = vli_cmp(a, b)) != 0)
while((l_cmpResult = vli_cmp(a, b)) != 0)
{
l_carry = 0;
if(EVEN(a))
@@ -1063,8 +1063,8 @@ static uint max(uint a, uint b)
return (a > b ? a : b);
}
int ecdsa_sign(uint32_t p_privateKey[NUM_ECC_DIGITS], uint32_t p_random[NUM_ECC_DIGITS], uint32_t p_hash[NUM_ECC_DIGITS],
uint32_t r[NUM_ECC_DIGITS], uint32_t s[NUM_ECC_DIGITS])
int ecdsa_sign(uint32_t r[NUM_ECC_DIGITS], uint32_t s[NUM_ECC_DIGITS], uint32_t p_privateKey[NUM_ECC_DIGITS],
uint32_t p_random[NUM_ECC_DIGITS], uint32_t p_hash[NUM_ECC_DIGITS])
{
uint32_t k[NUM_ECC_DIGITS];
EccPoint p;
ecdh.h
+5 -7
View File
@@ -12,11 +12,11 @@ ECC_SOFT_MULT64 - For platforms that do not have instructions to allow a fast 64
enables code to do 64x64 bit multiplies faster than libgcc does. Improves speed by about 6% on Cortex-M0
(with 32-cycle multiply instruction). Do not enable on platforms that have a fast 64x64 bit multiply.
*/
#define ECC_SQUARE_FUNC 0
#define ECC_USE_NAF 0
#define ECC_SQUARE_FUNC 1
#define ECC_USE_NAF 1
#define ECC_SOFT_MULT64 1
#define ECC_CURVE secp384r1
#define ECC_CURVE secp192r1
#define secp128r1 4
#define secp192r1 6
@@ -43,10 +43,8 @@ int ecdh_shared_secret(uint32_t p_secret[NUM_ECC_DIGITS], EccPoint *p_publicKey,
int ecdh_make_key(EccPoint *p_publicKey, uint32_t p_privateKey[NUM_ECC_DIGITS], uint32_t p_random[NUM_ECC_DIGITS]);
int ecc_valid_public_key(EccPoint *p_publicKey);
int ecdsa_sign(uint32_t r[NUM_ECC_DIGITS], uint32_t s[NUM_ECC_DIGITS],
uint32_t p_privateKey[NUM_ECC_DIGITS], uint32_t p_random[NUM_ECC_DIGITS], uint32_t p_hash[NUM_ECC_DIGITS]);
int ecdsa_sign(uint32_t r[NUM_ECC_DIGITS], uint32_t s[NUM_ECC_DIGITS], uint32_t p_privateKey[NUM_ECC_DIGITS],
uint32_t p_random[NUM_ECC_DIGITS], uint32_t p_hash[NUM_ECC_DIGITS]);
int ecdsa_verify(EccPoint *p_publicKey, uint32_t p_hash[NUM_ECC_DIGITS], uint32_t r[NUM_ECC_DIGITS], uint32_t s[NUM_ECC_DIGITS]);
#endif /* _MICRO_ECDH_H_ */