1. digital signatures digital signature Digital Signature Standard standard> The NISTs standard for digital signatures authenticating both a message and the signer that was first announced in 1991. It is based on an algorithm using discrete logarithms, which is a variant of the Elgamal algorithm with Schnorrs improvements. DSSs security is currently considered very strong - comparable to RSA. It is estimated that DSSs 1024-bit keys would take 1. 4E16 MIPS-years to crack.
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