Basic HTML version of Foils prepared 11 March 99

Foil 18 JAR Files

From Overview of JavaScript II -- From Cookies to Dynamical HTML CPS616 Technologies of the Information Age -- Spring Semester 99. by Geoffrey C. Fox (Tom Scavo)
1 Signed objects are packaged in a JAR (Java Archive) file, a sort of "digital envelope" based on the ZIP archive format
2 Using signtool, one associates digital signatures with the files in a JAR, which:
  • confirm the identity of the entity whose digital signature is associated with the JAR
  • check whether the files have been tampered with since being signed
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