1 Min Read onMarch 6, 2025 Encryption algorithms — Part 3: Block ciphers This part of ISO/IEC 18033 specifies block ciphers. A block cipher maps blocks of n bits to blocks of n bits, under the control of a key of k…
1 Min Read onMarch 6, 2025 Encryption algorithms — Part 4: Stream ciphers This part of ISO/IEC 18033 specifies a) output functions to combine a keystream with plaintext, b) keystream generators for producing…
1 Min Read onMarch 6, 2025 Encryption algorithms — Part 5: Identity-based ciphers This part of ISO/IEC 18033 specifies identity-based encryption mechanisms. For each mechanism the functional interface, the precise operation…