JDK-5056438 : Cipher.init throws exception if Cipher is generated using RC4 as algorithm
  • Type: Bug
  • Component: security-libs
  • Sub-Component: javax.crypto
  • Affected Version: 5.0
  • Priority: P4
  • Status: Closed
  • Resolution: Fixed
  • OS: generic,windows_xp
  • CPU: generic,x86
  • Submitted: 2004-06-02
  • Updated: 2006-10-10
  • Resolved: 2005-02-18
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Other JDK 6
5.0u7Fixed 6 betaFixed
Related Reports
Duplicate :  
JDK-5056170 - Unspecified NPE in Cipher init(int, Key) and init(int, Key,
Description
Cipher.init(int opmode, Key key) throws exception when Cipher is generated using RC4 as algorithm, but no exception were thrown if algorithm is ARCFOUR. 

The following exception is generated by the test program attached (SQE ws: .../security/src/Manual/PKCS11/TestSunJCE.java):

--- START  ---
... TESTING: Algorithm = ARCFOUR : KeyLength = 128 ...
Provider: SunJCE version 1.5
IV: null
=== STATUS: PASS
... TESTING: Algorithm = RC4 : KeyLength = 128 ...
Provider: SunJCE version 1.5
IV: null
=== STATUS: FAIL (with exception)
java.security.InvalidKeyException: Illegal key size or default parameters
	at javax.crypto.Cipher.a(DashoA12275)
	at javax.crypto.Cipher.init(DashoA12275)
	at javax.crypto.Cipher.init(DashoA12275)
	at TestSunJCE.testSecretKey(TestSunJCE.java:213)
	at TestSunJCE.main(TestSunJCE.java:480)
--- END: ---
STATUS: FAIL
Comments
CONVERTED DATA BugTraq+ Release Management Values COMMIT TO FIX: dragon
01-09-2004
EVALUATION ###@###.### 2004-06-03 will fix. ###@###.### 2004-06-08 This is due to the aliasing of RC4 and ARCFOUR. The generated Key always has ARCFOUR but the Cipher instance is requested using "RC4", so the crypto permission check failed due to different algorithm names.
01-09-2004