Encryption modes - for input 00100001 00100100 00100100
Use the sdes calculator at http://buzzard.ups.edu/sdes/sdes.html to perform sdes encryptions when called for.
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ELECTRONIC CODEBOOK (ECB) MODE
Input (uppercase A):
↓ sdes with key 1010000010 ↓
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Input (uppercase D):
↓ sdes with key 1010000010 ↓
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Input (uppercase D):
↓ sdes with key 1010000010 ↓
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| COUNTER (CTR) MODE
Counter:
↓ sdes with key 1010000010 ↓
⊕ (xor) Input:
↓
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Counter:
↓ sdes with key 1010000010 ↓
⊕ (xor) Input:
↓
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Counter:
↓ sdes with key 1010000010 ↓
⊕ (xor) Input:
↓
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CIPHERBLOCK CHAINING (CBC) MODE Input:
⊕ (xor) initialization vector:
↓
↓ sdes with key 1010000010 ↓
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Input::
⊕ (xor) Previous col's result carried fwd:
↓
↓ sdes with key 1010000010 ↓
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Input::
⊕ (xor) Previous col's result carried fwd:
↓
↓ sdes with key 1010000010 ↓
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