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Questions and Answers
Which block cipher is considered the replacement for DES as the standard encryption algorithm for the US federal government?
Which block cipher is considered the replacement for DES as the standard encryption algorithm for the US federal government?
- Serpent
- Twofish
- 3DES
- AES (correct)
What is the key length used by DES?
What is the key length used by DES?
- 128-bit
- 56-bit (correct)
- 192-bit
- 256-bit
Which block modes are used by AES?
Which block modes are used by AES?
- CTR and TCB
- CBC and ECB (correct)
- RC4 and ORYX
- CFB and OFB
