The reasons for this are mainly the algebraic simplicity of the idea, and the homomorphic property it possesses. The latter property makes the El Gamal system malleable, i.e. given c = E(m) it is feasible to compute c = E(f(m)), for some nontrivial function f.
The homomorphic property of the El Gamal cryptosystem is useful in the construction of efficient protocols. It is believed that only a small class of�...
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The homomorphic property of the El Gamal cryptosystem is useful in the construction of efficient protocols. It is believed that only a small class of�...
The homomorphic property of the El Gamal cryptosystem is useful in the construction of efficient protocols. It is believed that only a small class of�...
The homomorphic property of the El Gamal cryptosystem is useful in the construction of efficient protocols and the program of showing that these are the�...
Abstract: The homomorphic property of the El Gamal cryptosystem is useful in the construction of efficient protocols. It is believed that only a small class�...
The homomorphic property of the El Gamal cryptosystem is useful in the construction of efficient protocols. It is believed that only a small class of�...
Feb 18, 2022 � If you have c=E(r1,m) you can multiply it with E(r2,1) and then you have : c′=E(r1,m)E(r2,1)=(gr1,myr1)(gr2,yr2)=(gr1+r2,myr1+r2)=E(r1+r2,m).
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ElGamal encryption is unconditionally malleable, and therefore is not secure under chosen ciphertext attack. For example, given an encryption ( c 1 , c 2 )�...