ox_des.h Previous Back to the files list Data Encryption Standard syscalls. More... Data Structures struct cx_des_key_s DES key container. More... Macros #define CX_DES_BLOCK_SIZE 8 Block size of the DES in bytes. More... Typedefs typedef struct cx_des_key_s cx_des_key_t Convenience type. More... Functions SYSCALL cx_err_t cx_des_set_key_hw (const cx_des_key_t *keys, uint32_t mode) Sets a DES key in hardware. More... SYSCALL void cx_des_reset_hw (void) Resets the DES context. More... SYSCALL void cx_des_block_hw (const unsigned char *inblock, unsigned char *outblock) Encrypts or decrypts a block with DES. More... Detailed Description Data Encryption Standard syscalls. This file contains DES definitions and functions: Set the DES key in memory Encrypt a 64-bit block Reset the DES context Macro Definition Documentation CX_DES_BLOCK_SIZE #define CX_DES_BLOCK_SIZE 8 Block size of the DES in bytes. Typedef Documentation cx_des_key_t typedef struct cx_des_key_s cx_des_key_t Convenience type. See cx_des_key_s. Function Documentation cx_des_block_hw() SYSCALL void cx_des_block_hw ( const unsigned char * inblock, unsigned char * outblock ) Encrypts or decrypts a block with DES. Parameters [in]inblockPointer to the block. [out]outblockBuffer for the output. cx_des_reset_hw() SYSCALL void cx_des_reset_hw ( void ) Resets the DES context. cx_des_set_key_hw() SYSCALL cx_err_t cx_des_set_key_hw ( const cx_des_key_t * keys, uint32_t mode ) Sets a DES key in hardware. Parameters [in]keysDES key. [in]modeOperation for which the key will be used. ReturnsError code: CX_OK on success INVALID_PARAMETER Previous Back to the files list Did you find this page helpful? How would you improve this page for developers? I am a developer. Contributors will be chosen randomly to receive rewards. Check this box to send your email and participate. Ledger collects your email address to send you rewards for your contribution to improve the Developer Portal documentation. Learn more about how we manage your data and your rights. By providing your email address, you consent that Ledger may contact you for rewards delivery purposes. If you are part of the randomly selected contributors, we will send you an email to ask for your physical address and if necessary, ask you for additional information on the suggestion you made. Your information will only be available to Ledger and will be retained for no longer than 90 days. It may be transferred to non-European countries that ensure an adequate level of protection or under the standard contractual clauses adopted by the EU Commission. Please note that you may withdraw your consent at any time, access your data and request their rectification or deletion. You may also request the limitation of the processing of your data. To exercise your rights or for any question on the processing of your data, please contact LEDGER’s Data Protection Officer here. If nevertheless you believe LEDGER did not adequately address your concerns and mishandled your data, you may lodge a complaint with the personal data protection authority of your country.