Basic HTML version of Foils prepared January 31 1999

Foil 6 Signed data

From Security Overview of MiddleWare(WebFlow) for Gateway ASC Gateway Project Dayton Ohio -- January 7 1999. by Tom Haupt
The encrypted digest for a signer is a digital signature on the content for that signer.
Signed data:
  • content of any type
  • message digest encrypted with the signer private key
  • digest algorithm used
Verification:
  • decrypt the digest using the signer public key (authentication)
  • generate new message digest
  • compare the two versions (integrity)

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Page produced by wwwfoil on Sun Jan 31 1999