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Merge pull request #1738 from ejohnstown/DH

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DH SP Fix
This commit is contained in:
David Garske
2018-08-02 15:04:33 -07:00
committed by GitHub
parent 660c3300e1 6527c2a724
commit a915c3a381
2 changed files with 4 additions and 4 deletions
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4
wolfcrypt/src/sp_c32.c
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@@ -2083,7 +2083,7 @@ static int sp_2048_mod_exp_45(sp_digit* r, sp_digit* a, sp_digit* e, int bits,
n |= e[i--] << (9 - c); n |= e[i--] << (9 - c);
c += 23; c += 23;
} }
y = n >> 27; y = (n >> 27) & 0x1f;
n <<= 5; n <<= 5;
c -= 5; c -= 5;
XMEMCPY(rt, t[y], sizeof(rt)); XMEMCPY(rt, t[y], sizeof(rt));
@@ -3016,7 +3016,7 @@ static int sp_2048_mod_exp_90(sp_digit* r, sp_digit* a, sp_digit* e, int bits,
n |= e[i--] << (9 - c); n |= e[i--] << (9 - c);
c += 23; c += 23;
} }
y = n >> 27; y = (n >> 27) & 0x1f;
n <<= 5; n <<= 5;
c -= 5; c -= 5;
XMEMCPY(rt, t[y], sizeof(rt)); XMEMCPY(rt, t[y], sizeof(rt));

4
wolfcrypt/src/sp_c64.c
View File

@@ -1593,7 +1593,7 @@ static int sp_2048_mod_exp_18(sp_digit* r, sp_digit* a, sp_digit* e, int bits,
n |= e[i--] << (7 - c); n |= e[i--] << (7 - c);
c += 57; c += 57;
} }
y = n >> 59; y = (n >> 59) & 0x1f;
n <<= 5; n <<= 5;
c -= 5; c -= 5;
XMEMCPY(rt, t[y], sizeof(rt)); XMEMCPY(rt, t[y], sizeof(rt));
@@ -2442,7 +2442,7 @@ static int sp_2048_mod_exp_36(sp_digit* r, sp_digit* a, sp_digit* e, int bits,
n |= e[i--] << (7 - c); n |= e[i--] << (7 - c);
c += 57; c += 57;
} }
y = n >> 59; y = (n >> 59) & 0x1f;
n <<= 5; n <<= 5;
c -= 5; c -= 5;
XMEMCPY(rt, t[y], sizeof(rt)); XMEMCPY(rt, t[y], sizeof(rt));