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gptkb:RSA_encryption
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ciphertext is raised to the power of private exponent modulo n
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gptkb:knapsack_cryptosystem
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modular inverse and subset sum
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gptkb:Niederreiter_cryptosystem
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uses private code to decode syndrome
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gptkb:CBC_(Cipher_Block_Chaining)
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decrypts ciphertext block and XORs with previous ciphertext block
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gptkb:Counter_(CTR)_mode
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encrypts counter value and XORs with ciphertext
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gptkb:Electronic_Codebook_(ECB)_mode
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each block decrypted independently
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gptkb:Cipher_Feedback_(CFB)
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XORs ciphertext with encrypted previous ciphertext
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gptkb:Counter_Mode
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encrypts counter value and XORs with ciphertext
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gptkb:cipher_block_chaining_(CBC)
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each ciphertext block is decrypted and XORed with previous ciphertext block
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