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libsec: ecgen() and ecdsasign() fix

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This commit is contained in:
aiju 2014-09-13 19:46:41 +02:00
parent 62a8bf1846
commit 69fab298be
1 changed files with 5 additions and 3 deletions
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8
sys/src/libsec/port/ecc.c
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@ -397,10 +397,10 @@ ecgen(ECdomain *dom, ECpriv *p)
p = mallocz(sizeof(*p), 1);
if(p == nil)
return nil;
p->x = mpnew(0);
p->y = mpnew(0);
p->d = mpnew(0);
}
p->x = mpnew(0);
p->y = mpnew(0);
p->d = mpnew(0);
for(;;){
mprand(mpsignif(dom->n), genrandom, p->d);
if(mpcmp(p->d, mpzero) > 0 && mpcmp(p->d, dom->n) < 0)
@ -418,6 +418,7 @@ ecdsasign(ECdomain *dom, ECpriv *priv, uchar *dig, int len, mpint *r, mpint *s)
tmp.x = mpnew(0);
tmp.y = mpnew(0);
tmp.d = mpnew(0);
E = betomp(dig, len, nil);
t = mpnew(0);
if(mpsignif(dom->n) < 8*len)
@ -439,6 +440,7 @@ ecdsasign(ECdomain *dom, ECpriv *priv, uchar *dig, int len, mpint *r, mpint *s)
mpfree(E);
mpfree(tmp.x);
mpfree(tmp.y);
mpfree(tmp.d);
}
int