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#ifndef __ENCRYPTED_KEY_H
#define __ENCRYPTED_KEY_H
#define ENCRYPTED_DEBUG 0
#ifdef CONFIG_TRUSTED_KEYS
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
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