ARIA-256-CCM 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-WRAP

The ARIA-256-CCM algorithm is a symmetric-key block cipher designed for secure data encryption. ARIA operates on a block size of 128 bits and supports key sizes of 128, 192, and 256 bits. In the context of ARIA-256-CCM, the 256-bit key length is used, providing a high level of cryptographic security against brute-force attacks. The algorithm utilizes a substitution-permutation network structure, combining confusion and diffusion techniques through multiple rounds of transformations to ensure resistance against linear and differential cryptanalysis.

Key Schedule and Round Transformations

ARIA-256 generates a series of round keys from the original 256-bit encryption key using a key schedule procedure. This process involves initial key whitening, followed by multiple iterations of substitution using S-boxes, linear transformations with fixed matrices, and bitwise operations such as XOR. Each round of the cipher applies these transformations to the 128-bit data block, progressively increasing security by mixing key material with plaintext data. The number of rounds for ARIA-256 is 16, which ensures a strong balance between performance and cryptographic strength.

CCM Mode Integration

The CCM (Counter with CBC-MAC) mode provides authenticated encryption for ARIA-256. CCM combines the confidentiality of counter (CTR) mode with the integrity and authenticity provided by CBC-MAC. The encryption process begins with generating a unique counter block, which is incremented for each plaintext block. Each counter block is encrypted using the ARIA-256 cipher and XORed with the corresponding plaintext block to produce ciphertext. Simultaneously, CBC-MAC calculates a message authentication code over the plaintext and associated data, ensuring that any tampering can be detected during decryption.

Security Properties and Performance

ARIA-256-CCM ensures both confidentiality and integrity of data. The 256-bit key length provides a theoretical security margin against brute-force attacks, while the combination with CCM mode prevents unauthorized modifications. The algorithm is optimized for software and hardware implementations, offering efficient encryption and decryption speeds without compromising security. Its design supports parallel processing in CTR mode, allowing scalability for high-throughput applications.

Application Scenarios

This algorithm is suitable for secure communications, storage encryption, and data integrity verification in networking protocols, embedded systems, and industrial applications. Its robustness against known cryptanalytic attacks and ability to provide authenticated encryption make it appropriate for sensitive environments requiring strong data protection measures.

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