JDK-8177080 : Release Note: Add variant of DSA Signature algorithms that do not ASN.1 encode the signature bytes
  • Type: Sub-task
  • Component: security-libs
  • Affected Version: 9
  • Priority: P4
  • Status: Closed
  • Resolution: Delivered
  • Submitted: 2017-03-18
  • Updated: 2017-09-22
  • Resolved: 2017-03-24
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JDK 9
9Resolved
Description
A non-ASN.1 encoded form for DSA and ECDSA signatures has been implemented.  This new signature output format concatenates the r and s values from the signature in conformance with IEEE P1363.  Signature objects using this format must provide one of the following algorithm Strings to the Signature.getInstance() method:

For DSA:
NONEwithDSAinP1363Format 
SHA1withDSAinP1363Format
SHA224withDSAinP1363Format
SHA256withDSAinP1363Format
 
For ECDSA:
NONEwithECDSAinP1363Format
SHA1withECDSAinP1363Format
SHA224withECDSAinP1363Format
SHA256withECDSAinP1363Format
SHA384withECDSAinP1363Format
SHA512withECDSAinP1363Format