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Merge pull request #2837 from SparkiDev/sp_x64_rsa_priv

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Fix SP x64 RSA Private op
This commit is contained in:
toddouska
2020-03-05 08:33:11 -08:00
committed by GitHub
parent f24622596f 3707eea2f3
commit 59b9483cde
2 changed files with 1056 additions and 18 deletions
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60
wolfcrypt/src/sp_x86_64.c
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@ -1466,6 +1466,8 @@ int sp_RsaPublic_2048(const byte* in, word32 inLen, mp_int* em, mp_int* mm,
return err;
}
extern sp_digit sp_2048_cond_add_16(sp_digit* r, const sp_digit* a, const sp_digit* b, sp_digit m);
extern sp_digit sp_2048_cond_add_avx2_16(sp_digit* r, const sp_digit* a, const sp_digit* b, sp_digit m);
/* RSA private key operation.
*
* in Array of bytes representing the number to exponentiate, base.
@ -1500,7 +1502,6 @@ int sp_RsaPrivate_2048(const byte* in, word32 inLen, mp_int* dm,
sp_digit* dp;
sp_digit* dq;
sp_digit* qi;
sp_digit* tmp;
sp_digit* tmpa;
sp_digit* tmpb;
sp_digit* r;
@ -1533,8 +1534,7 @@ int sp_RsaPrivate_2048(const byte* in, word32 inLen, mp_int* dm,
tmpa = qi + 16;
tmpb = tmpa + 32;
tmp = t;
r = tmp + 32;
r = t + 32;
}
#else
r = a = ad;
@ -1543,7 +1543,6 @@ int sp_RsaPrivate_2048(const byte* in, word32 inLen, mp_int* dm,
qi = dq = dp = dpd;
tmpa = tmpad;
tmpb = tmpbd;
tmp = a + 32;
#endif
if (err == MP_OKAY) {
@ -1571,8 +1570,17 @@ int sp_RsaPrivate_2048(const byte* in, word32 inLen, mp_int* dm,
if (err == MP_OKAY) {
c = sp_2048_sub_in_place_16(tmpa, tmpb);
sp_2048_mask_16(tmp, p, c);
sp_2048_add_16(tmpa, tmpa, tmp);
#ifdef HAVE_INTEL_AVX2
if (IS_INTEL_BMI2(cpuid_flags) && IS_INTEL_ADX(cpuid_flags)) {
c += sp_2048_cond_add_avx2_16(tmpa, tmpa, p, c);
c += sp_2048_cond_add_avx2_16(tmpa, tmpa, p, c);
}
else
#endif
{
c += sp_2048_cond_add_16(tmpa, tmpa, p, c);
c += sp_2048_cond_add_16(tmpa, tmpa, p, c);
}
sp_2048_from_mp(qi, 16, qim);
#ifdef HAVE_INTEL_AVX2
@ -3512,6 +3520,8 @@ int sp_RsaPublic_3072(const byte* in, word32 inLen, mp_int* em, mp_int* mm,
return err;
}
extern sp_digit sp_3072_cond_add_24(sp_digit* r, const sp_digit* a, const sp_digit* b, sp_digit m);
extern sp_digit sp_3072_cond_add_avx2_24(sp_digit* r, const sp_digit* a, const sp_digit* b, sp_digit m);
/* RSA private key operation.
*
* in Array of bytes representing the number to exponentiate, base.
@ -3546,7 +3556,6 @@ int sp_RsaPrivate_3072(const byte* in, word32 inLen, mp_int* dm,
sp_digit* dp;
sp_digit* dq;
sp_digit* qi;
sp_digit* tmp;
sp_digit* tmpa;
sp_digit* tmpb;
sp_digit* r;
@ -3579,8 +3588,7 @@ int sp_RsaPrivate_3072(const byte* in, word32 inLen, mp_int* dm,
tmpa = qi + 24;
tmpb = tmpa + 48;
tmp = t;
r = tmp + 48;
r = t + 48;
}
#else
r = a = ad;
@ -3589,7 +3597,6 @@ int sp_RsaPrivate_3072(const byte* in, word32 inLen, mp_int* dm,
qi = dq = dp = dpd;
tmpa = tmpad;
tmpb = tmpbd;
tmp = a + 48;
#endif
if (err == MP_OKAY) {
@ -3617,8 +3624,17 @@ int sp_RsaPrivate_3072(const byte* in, word32 inLen, mp_int* dm,
if (err == MP_OKAY) {
c = sp_3072_sub_in_place_24(tmpa, tmpb);
sp_3072_mask_24(tmp, p, c);
sp_3072_add_24(tmpa, tmpa, tmp);
#ifdef HAVE_INTEL_AVX2
if (IS_INTEL_BMI2(cpuid_flags) && IS_INTEL_ADX(cpuid_flags)) {
c += sp_3072_cond_add_avx2_24(tmpa, tmpa, p, c);
c += sp_3072_cond_add_avx2_24(tmpa, tmpa, p, c);
}
else
#endif
{
c += sp_3072_cond_add_24(tmpa, tmpa, p, c);
c += sp_3072_cond_add_24(tmpa, tmpa, p, c);
}
sp_3072_from_mp(qi, 24, qim);
#ifdef HAVE_INTEL_AVX2
@ -5012,6 +5028,8 @@ int sp_RsaPublic_4096(const byte* in, word32 inLen, mp_int* em, mp_int* mm,
return err;
}
extern sp_digit sp_4096_cond_add_32(sp_digit* r, const sp_digit* a, const sp_digit* b, sp_digit m);
extern sp_digit sp_4096_cond_add_avx2_32(sp_digit* r, const sp_digit* a, const sp_digit* b, sp_digit m);
/* RSA private key operation.
*
* in Array of bytes representing the number to exponentiate, base.
@ -5046,7 +5064,6 @@ int sp_RsaPrivate_4096(const byte* in, word32 inLen, mp_int* dm,
sp_digit* dp;
sp_digit* dq;
sp_digit* qi;
sp_digit* tmp;
sp_digit* tmpa;
sp_digit* tmpb;
sp_digit* r;
@ -5079,8 +5096,7 @@ int sp_RsaPrivate_4096(const byte* in, word32 inLen, mp_int* dm,
tmpa = qi + 32;
tmpb = tmpa + 64;
tmp = t;
r = tmp + 64;
r = t + 64;
}
#else
r = a = ad;
@ -5089,7 +5105,6 @@ int sp_RsaPrivate_4096(const byte* in, word32 inLen, mp_int* dm,
qi = dq = dp = dpd;
tmpa = tmpad;
tmpb = tmpbd;
tmp = a + 64;
#endif
if (err == MP_OKAY) {
@ -5117,8 +5132,17 @@ int sp_RsaPrivate_4096(const byte* in, word32 inLen, mp_int* dm,
if (err == MP_OKAY) {
c = sp_2048_sub_in_place_32(tmpa, tmpb);
sp_2048_mask_32(tmp, p, c);
sp_2048_add_32(tmpa, tmpa, tmp);
#ifdef HAVE_INTEL_AVX2
if (IS_INTEL_BMI2(cpuid_flags) && IS_INTEL_ADX(cpuid_flags)) {
c += sp_4096_cond_add_avx2_32(tmpa, tmpa, p, c);
c += sp_4096_cond_add_avx2_32(tmpa, tmpa, p, c);
}
else
#endif
{
c += sp_4096_cond_add_32(tmpa, tmpa, p, c);
c += sp_4096_cond_add_32(tmpa, tmpa, p, c);
}
sp_2048_from_mp(qi, 32, qim);
#ifdef HAVE_INTEL_AVX2

1014
wolfcrypt/src/sp_x86_64_asm.S
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