Oh sorry, this is random_primitive
def random_primitive(p,h):
F.<x>=GF(p^h)
s=p^h-1
r=F.random_element()
j=0
if r!=0:
for t in prime_factors(s):
if r^(s/t)==1:
j=j+1
if j==0:
return r
else:
return random_primitive(p,h)
else:
return random_primitive(p,h)
Im using SAGE 5.11 in VirtualBox, my SO is Windows 7.
El domingo, 20 de abril de 2014 22:39:14 UTC-5, William escribió:
>
> On Sun, Apr 20, 2014 at 8:36 PM, Jan Medina <[email protected]<javascript:>>
> wrote:
> > I have this error when i runnig this algorithm
> >
> > def Trujillo_Gomez(p,h):
> > if is_prime(p):
> > F.<x>=GF(p^(h-1),name='x')
> > g=random_primitive(p,h-1);
> > s=p^(h-1)
> > for i in range(p):
> > a1=discrete_log(g+i,g)
> > a2=a1-i
> > a3=s*a1+i
> > A2=A2+[ZZ(mod(a1,(p*(s-1))))]
> > aP=Permutations(A2).random_element()
> > return aP
> > else:
> > print 'P debe ser primo'
> >
> > for p=409 y h=17.
> >
> > Is it a bug?
>
> I get the error
>
>
> NameError: global name 'random_primitive' is not defined
>
> What is random_primitive? Is that defined elsewhere in your code? If
> not, exactly what version of Sage are you using, and on exactly which
> operating system, etc.? Did you install a binary (which, exactly?) or
> build from source?
>
> Thanks,
>
> William
>
>
> >
> > --
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>
>
>
> --
> William Stein
> Professor of Mathematics
> University of Washington
> http://wstein.org
>
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