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Correct SP x->used with sp_clamp()

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This commit is contained in:
Tesfa Mael 2021-01-03 20:08:06 -08:00
parent ef56bc09f1
commit 01c27068c1
1 changed files with 17 additions and 13 deletions
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30
wolfcrypt/src/sp_int.c
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@ -4798,8 +4798,8 @@ int sp_mod(sp_int* a, sp_int* m, sp_int* r)
t->dp[k+1] = (sp_int_digit)h;
t->used = k + 2;
sp_clamp(t);
sp_copy(t, r);
sp_clamp(r);
}
#ifdef WOLFSSL_SMALL_STACK
@ -5002,12 +5002,13 @@ int sp_mod(sp_int* a, sp_int* m, sp_int* r)
t->dp[5] = l;
l = h;
h = o;
o = 0;
SP_ASM_MUL_ADD_NO(l, h, a->dp[3], b->dp[3]);
t->dp[6] = l;
t->dp[7] = h;
t->used = 8;
sp_copy(t, r);
sp_clamp(t);
sp_clamp(r);
}
#ifdef WOLFSSL_SMALL_STACK
@ -5125,12 +5126,13 @@ int sp_mod(sp_int* a, sp_int* m, sp_int* r)
t->dp[9] = l;
l = h;
h = o;
o = 0;
SP_ASM_MUL_ADD_NO(l, h, a->dp[5], b->dp[5]);
t->dp[10] = l;
t->dp[11] = h;
t->used = 12;
sp_copy(t, r);
sp_clamp(t);
sp_clamp(r);
}
#ifdef WOLFSSL_SMALL_STACK
@ -5298,7 +5300,7 @@ int sp_mod(sp_int* a, sp_int* m, sp_int* r)
t->dp[15] = h;
t->used = 16;
sp_copy(t, r);
sp_clamp(t);
sp_clamp(r);
}
#ifdef WOLFSSL_SMALL_STACK
@ -5578,7 +5580,7 @@ int sp_mod(sp_int* a, sp_int* m, sp_int* r)
t->dp[23] = h;
t->used = 24;
sp_copy(t, r);
sp_clamp(t);
sp_clamp(r);
}
#ifdef WOLFSSL_SMALL_STACK
@ -6004,7 +6006,7 @@ int sp_mod(sp_int* a, sp_int* m, sp_int* r)
t->dp[31] = h;
t->used = 32;
sp_copy(t, r);
sp_clamp(t);
sp_clamp(r);
}
#ifdef WOLFSSL_SMALL_STACK
@ -6811,7 +6813,7 @@ int sp_mod(sp_int* a, sp_int* m, sp_int* r)
t->dp[47] = h;
t->used = 48;
sp_copy(t, r);
sp_clamp(t);
sp_clamp(r);
}
#ifdef WOLFSSL_SMALL_STACK
@ -9693,12 +9695,13 @@ int sp_mul_2d(sp_int* a, int e, sp_int* r)
t->dp[5] = l;
l = h;
h = o;
o = 0;
SP_ASM_SQR_ADD_NO(l, h, a->dp[3]);
t->dp[6] = l;
t->dp[7] = h;
t->used = 8;
sp_copy(t, r);
sp_clamp(t);
sp_clamp(r);
}
#ifdef WOLFSSL_SMALL_STACK
@ -9808,12 +9811,13 @@ int sp_mul_2d(sp_int* a, int e, sp_int* r)
t->dp[9] = l;
l = h;
h = o;
o = 0;
SP_ASM_SQR_ADD_NO(l, h, a->dp[5]);
t->dp[10] = l;
t->dp[11] = h;
t->used = 12;
sp_copy(t, r);
sp_clamp(t);
sp_clamp(r);
}
#ifdef WOLFSSL_SMALL_STACK
@ -9964,7 +9968,7 @@ int sp_mul_2d(sp_int* a, int e, sp_int* r)
t->dp[15] = h;
t->used = 16;
sp_copy(t, r);
sp_clamp(t);
sp_clamp(r);
}
#ifdef WOLFSSL_SMALL_STACK
@ -10197,7 +10201,7 @@ int sp_mul_2d(sp_int* a, int e, sp_int* r)
t->dp[23] = h;
t->used = 24;
sp_copy(t, r);
sp_clamp(t);
sp_clamp(r);
}
#ifdef WOLFSSL_SMALL_STACK
@ -10530,7 +10534,7 @@ int sp_mul_2d(sp_int* a, int e, sp_int* r)
t->dp[31] = h;
t->used = 32;
sp_copy(t, r);
sp_clamp(t);
sp_clamp(r);
}
#ifdef WOLFSSL_SMALL_STACK
@ -11104,7 +11108,7 @@ int sp_mul_2d(sp_int* a, int e, sp_int* r)
t->dp[47] = h;
t->used = 48;
sp_copy(t, r);
sp_clamp(t);
sp_clamp(r);
}
#ifdef WOLFSSL_SMALL_STACK