The digital signature standard
CORPORATE NIST · Communications of the ACM · 1992
Proposed by NIST his standard specifies a Digital Signature Algorithm (DSA) appropriate for applications requiring a digital rather than written signature.The DSA digital signature is a pair of large numbers represented in a computer as strings of binary digits...................The digital signature is a computer using a set of rules (i.e., the DSA) and a set of parameters enabling it to be used to verify the identity of the originator and integrity of the data.