Signature Generation
To sign a message m the signer performs the following steps.
- Choose a random k such that 0 < k < p − 1 and gcd(k, p − 1) = 1.
- Compute .
- Compute .
- If start over again.
Then the pair (r,s) is the digital signature of m. The signer repeats these steps for every signature.
Read more about this topic: ElGamal Signature Scheme
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