68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ENCRYPTED_KEY_H
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#define __ENCRYPTED_KEY_H
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#define ENCRYPTED_DEBUG 0
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#if defined(CONFIG_TRUSTED_KEYS) || \
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(defined(CONFIG_TRUSTED_KEYS_MODULE) && defined(CONFIG_ENCRYPTED_KEYS_MODULE))
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extern struct key *request_trusted_key(const char *trusted_desc,
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const u8 **master_key, size_t *master_keylen);
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#else
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static inline struct key *request_trusted_key(const char *trusted_desc,
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const u8 **master_key,
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size_t *master_keylen)
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{
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return ERR_PTR(-EOPNOTSUPP);
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}
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#endif
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#if ENCRYPTED_DEBUG
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static inline void dump_master_key(const u8 *master_key, size_t master_keylen)
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{
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print_hex_dump(KERN_ERR, "master key: ", DUMP_PREFIX_NONE, 32, 1,
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master_key, master_keylen, 0);
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}
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static inline void dump_decrypted_data(struct encrypted_key_payload *epayload)
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{
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print_hex_dump(KERN_ERR, "decrypted data: ", DUMP_PREFIX_NONE, 32, 1,
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epayload->decrypted_data,
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epayload->decrypted_datalen, 0);
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}
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static inline void dump_encrypted_data(struct encrypted_key_payload *epayload,
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unsigned int encrypted_datalen)
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{
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print_hex_dump(KERN_ERR, "encrypted data: ", DUMP_PREFIX_NONE, 32, 1,
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epayload->encrypted_data, encrypted_datalen, 0);
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}
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static inline void dump_hmac(const char *str, const u8 *digest,
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unsigned int hmac_size)
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{
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if (str)
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pr_info("encrypted_key: %s", str);
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print_hex_dump(KERN_ERR, "hmac: ", DUMP_PREFIX_NONE, 32, 1, digest,
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hmac_size, 0);
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}
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#else
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static inline void dump_master_key(const u8 *master_key, size_t master_keylen)
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{
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}
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static inline void dump_decrypted_data(struct encrypted_key_payload *epayload)
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{
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}
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static inline void dump_encrypted_data(struct encrypted_key_payload *epayload,
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unsigned int encrypted_datalen)
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{
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}
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static inline void dump_hmac(const char *str, const u8 *digest,
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unsigned int hmac_size)
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{
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}
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#endif
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#endif
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