Dear all,
I am trying to learn how S/MIME encryption/digital signing works.
I would like to show the numerical values assigned to my private and
public key.
I have converted my personal certificate from p12 to pem, in this way:
openssl pkcs12 -in mycert.p12 -out mycert.pem
Now, I have used this command to show the modulus of the private/public key:
openssl rsa -in mykey.pem -noout -modulus
and I see an hexadecimal value, now I know that my public key is a data
like this:
(exp1, modulus)
where modulus is the value above. My private key is:
(exp2, modulus)
where exp1 and exp2 satisfy:
exp1*exp2 ? 1 mod (p-1)(q-1)
modulus=p*q
I would like to know if is it possible to show the numerical values of
exp1 and exp2 stored in my certificate.
Sandro
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