Safe JCE Cipher input/output streams and AEAD support for LW Cipher input/output streams#32
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Safe JCE Cipher input/output streams and AEAD support for LW Cipher input/output streams#32timw wants to merge 1 commit intobcgit:masterbcgit/bc-java:masterfrom timw:feature/cipher-input-streamtimw/bc-java:feature/cipher-input-streamCopy head branch name to clipboard
timw wants to merge 1 commit intobcgit:masterbcgit/bc-java:masterfrom
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Rewrites of JCE javax.crypto.CipherInputStream and CipherOutputStream that don't silently eat invalid ciphertext exceptions and don't call doFinal() twice (i.e. can be used and used safely with AEAD ciphers). Improvement to LW API CipherInputStream and CipherOutputStream to support AEADBlockCiphers and simplify internal logic. Full testing of JCE and LW Cipher streams with common ciphers, including tampering of AEAD ciphertexts. Oracle bug refs for broken Cipher stream behaviour: - http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8016171 (CipherInputStream masks ciphertext tampering with AEAD ciphers in decrypt mode) - http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8016249 (CipherInputStream in decrypt mode fails on close with AEAD ciphers) - http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8012900 (CICO ignores AAD in GCM mode)
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Merged with minor mods - jce.io became jcajce.io. |
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Some of the new tests here will fail on issues fixed by #31
Two parts to this:
Full testing of JCE and LW Cipher streams with common ciphers is included, including tampering of AEAD ciphertexts.
Oracle bug refs for broken Cipher stream behaviour: