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Tagged with hashed-elgamal elgamal-signature
3 questions
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Why $1\leq r\leq p-1$ verification is needed for (hashed) Elgamal signature?
I am reading the "Handbook of Applied Cryptography" by Menezes et al. (hashed) ElGamal Signature verification in this book talks about verification of $1\leq r\leq p-1$. Subsequently, this ...
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Using GP/PARI how would you solve this randomised Elgamal question?
I know how to solve this question manually, but I don't know how to solve it using the program gp/pari. It is based on randomised Elgamal
Let p = 739. Given the following ciphertext of some message m1 ...
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Elgamal test vectors
I know that Elgamal algorithms have fallen out of fashion, and they are not included in any widespread cryptographic standard nowadays. However, they are still present in several popular crypto ...