CAMELLIA-192-CFB1 ENCRYPTION TOOL
Other Crypto Algorithms
AES-128-CBC AES-128-CBC-CTS AES-128-CBC-HMAC-SHA1 AES-128-CBC-HMAC-SHA256 AES-128-CCM AES-128-CFB AES-128-CFB1 AES-128-CFB8 AES-128-CTR AES-128-ECB AES-128-GCM AES-128-GCM-SIV AES-128-OCB AES-128-OFB AES-128-SIV AES-128-WRAP AES-128-WRAP-INV AES-128-WRAP-PAD AES-128-WRAP-PAD-INV AES-128-XTS AES-192-CBC AES-192-CBC-CTS AES-192-CCM AES-192-CFB AES-192-CFB1 AES-192-CFB8 AES-192-CTR AES-192-ECB AES-192-GCM AES-192-GCM-SIV AES-192-OCB AES-192-OFB AES-192-SIV AES-192-WRAP AES-192-WRAP-INV AES-192-WRAP-PAD AES-192-WRAP-PAD-INV AES-256-CBC AES-256-CBC-CTS AES-256-CBC-HMAC-SHA1 AES-256-CBC-HMAC-SHA256 AES-256-CCM AES-256-CFB AES-256-CFB1 AES-256-CFB8 AES-256-CTR AES-256-ECB AES-256-GCM AES-256-GCM-SIV AES-256-OCB AES-256-OFB AES-256-SIV AES-256-WRAP AES-256-WRAP-INV AES-256-WRAP-PAD AES-256-WRAP-PAD-INV AES-256-XTS ARIA-128-CBC ARIA-128-CCM ARIA-128-CFB ARIA-128-CFB1 ARIA-128-CFB8 ARIA-128-CTR ARIA-128-ECB ARIA-128-GCM ARIA-128-OFB ARIA-192-CBC ARIA-192-CCM ARIA-192-CFB ARIA-192-CFB1 ARIA-192-CFB8 ARIA-192-CTR ARIA-192-ECB ARIA-192-GCM ARIA-192-OFB ARIA-256-CBC ARIA-256-CCM ARIA-256-CFB ARIA-256-CFB1 ARIA-256-CFB8 ARIA-256-CTR ARIA-256-ECB ARIA-256-GCM ARIA-256-OFB CAMELLIA-128-CBC CAMELLIA-128-CBC-CTS CAMELLIA-128-CFB CAMELLIA-128-CFB1 CAMELLIA-128-CFB8 CAMELLIA-128-CTR CAMELLIA-128-ECB CAMELLIA-128-OFB CAMELLIA-192-CBC CAMELLIA-192-CBC-CTS CAMELLIA-192-CFB CAMELLIA-192-CFB1 CAMELLIA-192-CFB8 CAMELLIA-192-CTR CAMELLIA-192-ECB CAMELLIA-192-OFB CAMELLIA-256-CBC CAMELLIA-256-CBC-CTS CAMELLIA-256-CFB CAMELLIA-256-CFB1 CAMELLIA-256-CFB8 CAMELLIA-256-CTR CAMELLIA-256-ECB CAMELLIA-256-OFB CHACHA20 CHACHA20-POLY1305 DES-EDE-CBC DES-EDE-CFB DES-EDE-ECB DES-EDE-OFB DES-EDE3-CBC DES-EDE3-CFB DES-EDE3-CFB1 DES-EDE3-CFB8 DES-EDE3-ECB DES-EDE3-OFB DES3-WRAPThe Camellia-192-CFB1 algorithm is a symmetric key block cipher operating in Cipher Feedback mode with a 1-bit shift, designed for secure encryption and decryption of data streams. It utilizes a fixed block size of 128 bits and a key length of 192 bits, providing a balance between computational efficiency and high security levels. Camellia is recognized for its rigorous cryptographic structure and resistance to known cryptanalytic attacks.
Key Structure and Expansion
The algorithm begins with a 192-bit secret key, which is expanded into multiple subkeys used across encryption and decryption rounds. The key schedule involves multiple logical transformations, including rotations and XOR operations, ensuring that each round uses distinct subkeys. This prevents linear and differential attacks while maintaining the diffusion of input bits throughout the cipher process.
Encryption Process
In CFB1 mode, Camellia operates on the plaintext one bit at a time. Each bit of plaintext is XORed with the most significant bit of the output from the previous encryption of the 128-bit block. The resulting ciphertext bit is fed back into the shift register, maintaining a chain that links all bits in sequence. This mode ensures that any change in a single bit of plaintext affects subsequent bits, providing error propagation and data integrity checks.
Decryption Process
Decryption mirrors the encryption steps. The ciphertext is processed one bit at a time using the same subkeys in the same order. The shift register updates after each bit, reconstructing the original plaintext by reversing the XOR operation. The feedback mechanism guarantees that the algorithm correctly handles bitwise dependencies and maintains consistency across the entire data stream.
Security Characteristics
Camellia-192-CFB1 provides strong resistance to brute force attacks due to its 192-bit key length. Its internal structure, based on Feistel networks and S-box transformations, ensures high diffusion and nonlinearity. The algorithm has undergone extensive analysis and is widely recognized for its suitability in high-security environments, including secure communications and cryptographic protocols that require bitwise data handling.
Applications
This configuration is used in contexts where secure bit-level encryption is required, such as secure messaging systems, hardware encryption modules, and protocols handling continuous data streams. The combination of 192-bit key strength and CFB1 mode makes it ideal for applications requiring both confidentiality and precise error propagation control.