X.509: Certificate Content

• Version

• Serial Number

• Signature Algorithm Identifier

  • Object Identifier (OID)
  • e.g. id-dsa: {iso(1) member-body(2) us(840) x9-57 (10040) x9algorithm(4) 1}

• Issuer (CA) X.500 name

• Validity Period (Start,End)

• Subject X.500 name

• Subject Public Key

  • Algorithm
  • Value

• Issuer Unique Id (Version 2 ,3)

• Subject Unique Id (Version 2,3)

• Extensions (version 3)

  • optional

• CA digital Signature

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