1 #ifndef __ENCRYPTED_KEY_H 2 #define __ENCRYPTED_KEY_H 3 4 #define ENCRYPTED_DEBUG 0 5 #ifdef CONFIG_TRUSTED_KEYS 6 extern struct key *request_trusted_key(const char *trusted_desc, 7 u8 **master_key, size_t *master_keylen); 8 #else 9 static inline struct key *request_trusted_key(const char *trusted_desc, 10 u8 **master_key, 11 size_t *master_keylen) 12 { 13 return ERR_PTR(-EOPNOTSUPP); 14 } 15 #endif 16 17 #if ENCRYPTED_DEBUG 18 static inline void dump_master_key(const u8 *master_key, size_t master_keylen) 19 { 20 print_hex_dump(KERN_ERR, "master key: ", DUMP_PREFIX_NONE, 32, 1, 21 master_key, master_keylen, 0); 22 } 23 24 static inline void dump_decrypted_data(struct encrypted_key_payload *epayload) 25 { 26 print_hex_dump(KERN_ERR, "decrypted data: ", DUMP_PREFIX_NONE, 32, 1, 27 epayload->decrypted_data, 28 epayload->decrypted_datalen, 0); 29 } 30 31 static inline void dump_encrypted_data(struct encrypted_key_payload *epayload, 32 unsigned int encrypted_datalen) 33 { 34 print_hex_dump(KERN_ERR, "encrypted data: ", DUMP_PREFIX_NONE, 32, 1, 35 epayload->encrypted_data, encrypted_datalen, 0); 36 } 37 38 static inline void dump_hmac(const char *str, const u8 *digest, 39 unsigned int hmac_size) 40 { 41 if (str) 42 pr_info("encrypted_key: %s", str); 43 print_hex_dump(KERN_ERR, "hmac: ", DUMP_PREFIX_NONE, 32, 1, digest, 44 hmac_size, 0); 45 } 46 #else 47 static inline void dump_master_key(const u8 *master_key, size_t master_keylen) 48 { 49 } 50 51 static inline void dump_decrypted_data(struct encrypted_key_payload *epayload) 52 { 53 } 54 55 static inline void dump_encrypted_data(struct encrypted_key_payload *epayload, 56 unsigned int encrypted_datalen) 57 { 58 } 59 60 static inline void dump_hmac(const char *str, const u8 *digest, 61 unsigned int hmac_size) 62 { 63 } 64 #endif 65 #endif 66