| /linux/security/integrity/ima/ |
| H A D | ima_modsig.c | 18 struct modsig { struct
41 struct modsig **modsig) in ima_read_modsig() argument
45 struct modsig *hdr; in ima_read_modsig()
85 *modsig = hdr; in ima_read_modsig()
100 void ima_collect_modsig(struct modsig *modsig, const void *buf, loff_t size) in ima_collect_modsig() argument
108 size -= modsig->raw_pkcs7_len + strlen(MODULE_SIG_STRING) + in ima_collect_modsig()
110 rc = pkcs7_supply_detached_data(modsig->pkcs7_msg, buf, size); in ima_collect_modsig()
115 rc = pkcs7_get_digest(modsig->pkcs7_msg, &modsig->digest, in ima_collect_modsig()
116 &modsig->digest_size, &modsig->hash_algo); in ima_collect_modsig()
119 int ima_modsig_verify(struct key *keyring, const struct modsig *modsig) in ima_modsig_verify() argument
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| H A D | ima.h | 76 const struct modsig *modsig; member
348 struct modsig;
383 struct modsig *modsig);
387 int xattr_len, const struct modsig *modsig, int pcr,
433 const struct modsig *modsig, int pcr);
437 int xattr_len, const struct modsig *modsig);
451 const struct modsig *modsig, int pcr) in ima_check_blacklist() argument
462 const struct modsig *modsig) in ima_appraise_measurement() argument
506 struct modsig **modsig);
507 void ima_collect_modsig(struct modsig *modsig, const void *buf, loff_t size);
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| H A D | ima_appraise.c | 419 static int modsig_verify(enum ima_hooks func, const struct modsig *modsig, in modsig_verify() argument
424 rc = integrity_modsig_verify(INTEGRITY_KEYRING_IMA, modsig); in modsig_verify()
428 modsig); in modsig_verify()
448 const struct modsig *modsig, int pcr) in ima_check_blacklist() argument
458 if (iint->flags & IMA_MODSIG_ALLOWED && modsig) { in ima_check_blacklist()
459 ima_get_modsig_digest(modsig, &hash_algo, &digest, &digestsize); in ima_check_blacklist()
495 int xattr_len, const struct modsig *modsig) in ima_appraise_measurement() argument
504 bool try_modsig = iint->flags & IMA_MODSIG_ALLOWED && modsig; in ima_appraise_measurement()
581 rc = modsig_verify(func, modsig, &status, &cause); in ima_appraise_measurement()
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| H A D | ima_main.c | 222 struct modsig *modsig = NULL; in process_measurement() local
365 rc = ima_read_modsig(func, buf, size, &modsig); in process_measurement()
375 rc = ima_collect_measurement(iint, file, buf, size, hash_algo, modsig); in process_measurement()
384 xattr_value, xattr_len, modsig, pcr, in process_measurement()
387 rc = ima_check_blacklist(iint, modsig, pcr); in process_measurement()
392 xattr_len, modsig); in process_measurement()
420 ima_free_modsig(modsig); in process_measurement()
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| H A D | ima_template_lib.c | 464 if (!event_data->modsig) in ima_eventdigest_modsig_init()
475 rc = ima_get_modsig_digest(event_data->modsig, &hash_algo, in ima_eventdigest_modsig_init()
592 if (!event_data->modsig) in ima_eventmodsig_init()
599 rc = ima_get_raw_modsig(event_data->modsig, &data, &data_len); in ima_eventmodsig_init()
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| H A D | Kconfig | 243 The modsig keyword can be used in the IMA policy to allow a hook
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| /linux/security/integrity/ |
| H A D | integrity.h | 126 struct modsig;
132 int integrity_modsig_verify(unsigned int id, const struct modsig *modsig);
148 const struct modsig *modsig) in integrity_modsig_verify() argument
179 int ima_modsig_verify(struct key *keyring, const struct modsig *modsig);
182 const struct modsig *modsig) in ima_modsig_verify() argument
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| H A D | digsig.c | 87 int integrity_modsig_verify(const unsigned int id, const struct modsig *modsig) in integrity_modsig_verify() argument
95 return ima_modsig_verify(keyring, modsig); in integrity_modsig_verify()
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| /linux/Documentation/security/ |
| H A D | IMA-templates.rst | 72 - 'd-modsig': the digest of the event without the appended modsig;
76 - 'modsig' the appended file signature;
96 - "ima-modsig": its format is ``d-ng|n-ng|sig|d-modsig|modsig``;
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| /linux/Documentation/ABI/testing/ |
| H A D | ima_policy | 51 appraise_type:= [imasig] | [imasig|modsig] | [sigv3]
54 where 'modsig' is an appended signature,
146 Example of appraise rule allowing modsig appended signatures:
148 appraise func=KEXEC_KERNEL_CHECK appraise_type=imasig|modsig
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