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ssh non ecc

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This commit is contained in:
toddouska
2012-05-07 16:35:23 -07:00
parent 4278a4ac99
commit 2a817adfcc
14 changed files with 1166 additions and 108 deletions
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18
ctaocrypt/src/coding.c
View File

@@ -202,6 +202,24 @@ int Base16_Decode(const byte* in, word32 inLen, byte* out, word32* outLen)
word32 inIdx = 0;
word32 outIdx = 0;
if (inLen == 1 && *outLen && in) {
byte b = in[inIdx++] - 0x30; /* 0 starts at 0x30 */
/* sanity check */
if (b >= sizeof(hexDecode)/sizeof(hexDecode[0]))
return ASN_INPUT_E;
b = hexDecode[b];
if (b == BAD)
return ASN_INPUT_E;
out[outIdx++] = b;
*outLen = outIdx;
return 0;
}
if (inLen % 2)
return BAD_FUNC_ARG;

54
ctaocrypt/src/integer.c
View File

@@ -3664,6 +3664,34 @@ int fast_s_mp_mul_high_digs (mp_int * a, mp_int * b, mp_int * c, int digs)
}
/* set a 32-bit const */
int mp_set_int (mp_int * a, unsigned long b)
{
int x, res;
mp_zero (a);
/* set four bits at a time */
for (x = 0; x < 8; x++) {
/* shift the number up four bits */
if ((res = mp_mul_2d (a, 4, a)) != MP_OKAY) {
return res;
}
/* OR in the top four bits of the source */
a->dp[0] |= (b >> 28) & 15;
/* shift the source up to the next four bits */
b <<= 4;
/* ensure that digits are not clamped off */
a->used += 1;
}
mp_clamp (a);
return MP_OKAY;
}
#if defined(CYASSL_KEY_GEN) || defined(HAVE_ECC)
/* c = a * a (mod b) */
@@ -4329,32 +4357,6 @@ LBL_U:mp_clear (&v);
}
/* set a 32-bit const */
int mp_set_int (mp_int * a, unsigned long b)
{
int x, res;
mp_zero (a);
/* set four bits at a time */
for (x = 0; x < 8; x++) {
/* shift the number up four bits */
if ((res = mp_mul_2d (a, 4, a)) != MP_OKAY) {
return res;
}
/* OR in the top four bits of the source */
a->dp[0] |= (b >> 28) & 15;
/* shift the source up to the next four bits */
b <<= 4;
/* ensure that digits are not clamped off */
a->used += 1;
}
mp_clamp (a);
return MP_OKAY;
}
#endif /* CYASSL_KEY_GEN */

16
ctaocrypt/src/tfm.c
View File

@@ -1962,6 +1962,14 @@ int mp_count_bits (mp_int* a)
}
/* fast math wrappers */
int mp_set_int(fp_int *a, fp_digit b)
{
fp_set(a, b);
return MP_OKAY;
}
#if defined(CYASSL_KEY_GEN) || defined (HAVE_ECC)
/* c = a * a (mod b) */
@@ -1996,14 +2004,6 @@ void fp_lcm(fp_int *a, fp_int *b, fp_int *c);
int fp_isprime(fp_int *a);
int fp_cnt_lsb(fp_int *a);
/* fast math wrappers */
int mp_set_int(fp_int *a, fp_digit b)
{
fp_set(a, b);
return MP_OKAY;
}
int mp_gcd(fp_int *a, fp_int *b, fp_int *c)
{
fp_gcd(a, b, c);