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add ssh-agent via factotum

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This commit is contained in:
rsc 2005-02-13 18:04:00 +00:00
parent ea77b9ce7c
commit ce94dbe662
9 changed files with 1267 additions and 59 deletions
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14
src/cmd/auth/factotum/dsa.c
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@ -23,7 +23,7 @@ xdsasign(Conv *c)
{
int n;
mpint *m;
uchar digest[SHA1dlen];
uchar digest[SHA1dlen], sigblob[20+20];
DSAsig *sig;
Key *k;
@ -46,7 +46,13 @@ xdsasign(Conv *c)
mpfree(m);
if(sig == nil)
return -1;
convprint(c, "%B %B", sig->r, sig->s);
if(mpsignif(sig->r) > 20*8 || mpsignif(sig->s) > 20*8){
werrstr("signature too long");
return -1;
}
mptoberjust(sig->r, sigblob, 20);
mptoberjust(sig->s, sigblob+20, 20);
convwrite(c, sigblob, sizeof sigblob);
dsasigfree(sig);
return 0;
}
@ -80,11 +86,11 @@ readdsapriv(Key *k)
|| (priv->pub.q=strtomp(a, nil, 16, nil))==nil)
goto Error;
strlwr(a);
if((a=strfindattr(k->privattr, "alpha"))==nil
if((a=strfindattr(k->attr, "alpha"))==nil
|| (priv->pub.alpha=strtomp(a, nil, 16, nil))==nil)
goto Error;
strlwr(a);
if((a=strfindattr(k->privattr, "key"))==nil
if((a=strfindattr(k->attr, "key"))==nil
|| (priv->pub.key=strtomp(a, nil, 16, nil))==nil)
goto Error;
strlwr(a);