#ifndef __ENCRYPTED_KEY_H #define __ENCRYPTED_KEY_H #define ENCRYPTED_DEBUG 0 #if defined(CONFIG_TRUSTED_KEYS) || \ (defined(CONFIG_TRUSTED_KEYS_MODULE) && defined(CONFIG_ENCRYPTED_KEYS_MODULE)) extern struct key *request_trusted_key(const char *trusted_desc, u8 **master_key, size_t *master_keylen); #else static inline struct key *request_trusted_key(const char *trusted_desc, u8 **master_key, size_t *master_keylen) { return ERR_PTR(-EOPNOTSUPP); } #endif #if ENCRYPTED_DEBUG static inline void dump_master_key(const u8 *master_key, size_t master_keylen) { print_hex_dump(KERN_ERR, "master key: ", DUMP_PREFIX_NONE, 32, 1, master_key, master_keylen, 0); } static inline void dump_decrypted_data(struct encrypted_key_payload *epayload) { print_hex_dump(KERN_ERR, "decrypted data: ", DUMP_PREFIX_NONE, 32, 1, epayload->decrypted_data, epayload->decrypted_datalen, 0); } static inline void dump_encrypted_data(struct encrypted_key_payload *epayload, unsigned int encrypted_datalen) { print_hex_dump(KERN_ERR, "encrypted data: ", DUMP_PREFIX_NONE, 32, 1, epayload->encrypted_data, encrypted_datalen, 0); } static inline void dump_hmac(const char *str, const u8 *digest, unsigned int hmac_size) { if (str) pr_info("encrypted_key: %s", str); print_hex_dump(KERN_ERR, "hmac: ", DUMP_PREFIX_NONE, 32, 1, digest, hmac_size, 0); } #else static inline void dump_master_key(const u8 *master_key, size_t master_keylen) { } static inline void dump_decrypted_data(struct encrypted_key_payload *epayload) { } static inline void dump_encrypted_data(struct encrypted_key_payload *epayload, unsigned int encrypted_datalen) { } static inline void dump_hmac(const char *str, const u8 *digest, unsigned int hmac_size) { } #endif #endif