examples/tools/protected_update_data_set/include/pal/pal_crypt.h

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#ifndef _PROTECTED_UPDATE_PAL_CRYPTO_
#define _PROTECTED_UPDATE_PAL_CRYPTO_
 
#include <stdint.h>
#include "protected_update_data_set.h"
 
typedef struct pal_crypt
{
    void * callback_ctx;
}pal_crypt_t;
 
typedef uint16_t pal_status_t;
 
// Generates hash
pal_status_t pal_crypt_hash(pal_crypt_t* p_pal_crypt,
                            uint8_t hash_algorithm,
                            const uint8_t * p_message,
                            uint32_t message_length,
                            uint8_t * p_digest);
 
// Calculates signature
pal_status_t pal_crypt_sign(pal_crypt_t* p_pal_crypt,
                            uint8_t * p_digest, 
                            uint16_t digest_length,
                            uint8_t * p_signature,
                            uint16_t * signature_length,
                            const uint8_t * p_private_key,
                            uint16_t private_key_length);
 
// Gets the signature length based on private key
pal_status_t pal_crypt_get_signature_length( uint8_t * p_private_key,
                                            uint16_t * sign_len,
                                            signature_algo_t sign_algo);
 
// Generate encrypted data
pal_status_t pal_crypt_encrypt_aes128_ccm(  pal_crypt_t* p_pal_crypt,
                                            const uint8_t * p_plain_text,
                                            uint16_t plain_text_length,
                                            const uint8_t * p_encrypt_key,
                                            const uint8_t * p_nonce,
                                            uint16_t nonce_length,
                                            const uint8_t * p_associated_data,
                                            uint16_t associated_data_length,
                                            uint8_t mac_size,
                                            uint8_t * p_cipher_text);
// Derive key
pal_status_t pal_crypt_tls_prf_sha256(  pal_crypt_t* p_pal_crypt,
                                        const uint8_t * p_secret,
                                        uint16_t secret_length,
                                        const uint8_t * p_label,
                                        uint16_t label_length,
                                        const uint8_t * p_seed,
                                        uint16_t seed_length,
                                        uint8_t * p_derived_key,
                                        uint16_t derived_key_length);
 
 
// Generate random
pal_status_t pal_crypt_generate_random(pal_crypt_t* p_pal_crypt,
                                       uint8_t * p_random_data ,
                                       uint16_t random_data_length );
 
// Set seed
pal_status_t pal_crypt_set_seed(pal_crypt_t* p_pal_crypt,
                                uint8_t * p_seed,
                                uint16_t seed_length);
 
pal_status_t pal_crypt_get_key_type(int8_t * key_file);
 
pal_status_t pal_crypt_parse_ecc_key(void * key_file,
                                    uint8_t ** D, uint16_t * D_length,
                                    uint8_t ** X, uint16_t * X_length,
                                    uint8_t ** Y, uint16_t * Y_length);
 
pal_status_t pal_crypt_parse_rsa_key(void * key_file,
                                    uint8_t ** N, uint16_t * N_length,
                                    uint8_t ** E, uint16_t * E_length,
                                    uint8_t ** D, uint16_t * D_length);
 
#endif //_PROTECTED_UPDATE_PAL_CRYPTO_