cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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encrypted.h (1902B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __ENCRYPTED_KEY_H
      3#define __ENCRYPTED_KEY_H
      4
      5#define ENCRYPTED_DEBUG 0
      6#if defined(CONFIG_TRUSTED_KEYS) || \
      7  (defined(CONFIG_TRUSTED_KEYS_MODULE) && defined(CONFIG_ENCRYPTED_KEYS_MODULE))
      8extern struct key *request_trusted_key(const char *trusted_desc,
      9				       const u8 **master_key, size_t *master_keylen);
     10#else
     11static inline struct key *request_trusted_key(const char *trusted_desc,
     12					      const u8 **master_key,
     13					      size_t *master_keylen)
     14{
     15	return ERR_PTR(-EOPNOTSUPP);
     16}
     17#endif
     18
     19#if ENCRYPTED_DEBUG
     20static inline void dump_master_key(const u8 *master_key, size_t master_keylen)
     21{
     22	print_hex_dump(KERN_ERR, "master key: ", DUMP_PREFIX_NONE, 32, 1,
     23		       master_key, master_keylen, 0);
     24}
     25
     26static inline void dump_decrypted_data(struct encrypted_key_payload *epayload)
     27{
     28	print_hex_dump(KERN_ERR, "decrypted data: ", DUMP_PREFIX_NONE, 32, 1,
     29		       epayload->decrypted_data,
     30		       epayload->decrypted_datalen, 0);
     31}
     32
     33static inline void dump_encrypted_data(struct encrypted_key_payload *epayload,
     34				       unsigned int encrypted_datalen)
     35{
     36	print_hex_dump(KERN_ERR, "encrypted data: ", DUMP_PREFIX_NONE, 32, 1,
     37		       epayload->encrypted_data, encrypted_datalen, 0);
     38}
     39
     40static inline void dump_hmac(const char *str, const u8 *digest,
     41			     unsigned int hmac_size)
     42{
     43	if (str)
     44		pr_info("encrypted_key: %s", str);
     45	print_hex_dump(KERN_ERR, "hmac: ", DUMP_PREFIX_NONE, 32, 1, digest,
     46		       hmac_size, 0);
     47}
     48#else
     49static inline void dump_master_key(const u8 *master_key, size_t master_keylen)
     50{
     51}
     52
     53static inline void dump_decrypted_data(struct encrypted_key_payload *epayload)
     54{
     55}
     56
     57static inline void dump_encrypted_data(struct encrypted_key_payload *epayload,
     58				       unsigned int encrypted_datalen)
     59{
     60}
     61
     62static inline void dump_hmac(const char *str, const u8 *digest,
     63			     unsigned int hmac_size)
     64{
     65}
     66#endif
     67#endif