| 11 | * http://cryptome.org/jya/a5-hack.htm - Cryptanalysis of Alleged A5 Stream Cipher |
| 12 | * https://svn-batch.grid.pub.ro/svn/PP2009/proiecte/HadoopA51/docs/a5/CS-2006-07.pdf - Instant Ciphertext-Only Cryptanalysis of GSM Encrypted Communication |
| 13 | * https://svn-batch.grid.pub.ro/svn/PP2009/proiecte/HadoopA51/docs/a5/a5-1.c - reference A5/1 implementation |
| 14 | * https://svn-batch.grid.pub.ro/svn/PP2009/proiecte/HadoopA51/docs/rainbow/Making%20a%20Faster%20Cryptanalytic%20Time-Memory%20Trade-Off%20-%20Oech03.pdf - A paper describing the rainbow table technique |
| 15 | * http://www.copacobana.org/paper/TC_COPACOBANA.pdf - Cryptanalysis with COPACOBANA |