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authorStefano Babic <sbabic@denx.de>2020-05-10 13:03:56 +0200
committerStefano Babic <sbabic@denx.de>2020-05-10 13:03:56 +0200
commitb77d0292ca9f3ca69259dca7e2c5e193a403b289 (patch)
tree0af352de3e405f839188aad7acaa9930d18afdd8 /include/crypto
parent8142a97d541ef1473925b3677d6bf86bcddb69ac (diff)
parentc5c657644bc35fd6b3d6e5517698721e90646b8d (diff)
Merge branch 'master' of git://git.denx.de/u-boot
Diffstat (limited to 'include/crypto')
-rw-r--r--include/crypto/pkcs7_parser.h69
-rw-r--r--include/crypto/x509_parser.h61
2 files changed, 130 insertions, 0 deletions
diff --git a/include/crypto/pkcs7_parser.h b/include/crypto/pkcs7_parser.h
new file mode 100644
index 0000000000..b8234da45a
--- /dev/null
+++ b/include/crypto/pkcs7_parser.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* PKCS#7 crypto data parser internal definitions
+ *
+ * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ */
+
+#ifndef _PKCS7_PARSER_H
+#define _PKCS7_PARSER_H
+
+#include <linux/oid_registry.h>
+#include <crypto/pkcs7.h>
+#include "x509_parser.h"
+
+#define kenter(FMT, ...) \
+ pr_devel("==> %s("FMT")\n", __func__, ##__VA_ARGS__)
+#define kleave(FMT, ...) \
+ pr_devel("<== %s()"FMT"\n", __func__, ##__VA_ARGS__)
+
+struct pkcs7_signed_info {
+ struct pkcs7_signed_info *next;
+ struct x509_certificate *signer; /* Signing certificate (in msg->certs) */
+ unsigned index;
+ bool unsupported_crypto; /* T if not usable due to missing crypto */
+ bool blacklisted;
+
+ /* Message digest - the digest of the Content Data (or NULL) */
+ const void *msgdigest;
+ unsigned msgdigest_len;
+
+ /* Authenticated Attribute data (or NULL) */
+ unsigned authattrs_len;
+ const void *authattrs;
+ unsigned long aa_set;
+#define sinfo_has_content_type 0
+#define sinfo_has_signing_time 1
+#define sinfo_has_message_digest 2
+#define sinfo_has_smime_caps 3
+#define sinfo_has_ms_opus_info 4
+#define sinfo_has_ms_statement_type 5
+ time64_t signing_time;
+
+ /* Message signature.
+ *
+ * This contains the generated digest of _either_ the Content Data or
+ * the Authenticated Attributes [RFC2315 9.3]. If the latter, one of
+ * the attributes contains the digest of the the Content Data within
+ * it.
+ *
+ * THis also contains the issuing cert serial number and issuer's name
+ * [PKCS#7 or CMS ver 1] or issuing cert's SKID [CMS ver 3].
+ */
+ struct public_key_signature *sig;
+};
+
+struct pkcs7_message {
+ struct x509_certificate *certs; /* Certificate list */
+ struct x509_certificate *crl; /* Revocation list */
+ struct pkcs7_signed_info *signed_infos;
+ u8 version; /* Version of cert (1 -> PKCS#7 or CMS; 3 -> CMS) */
+ bool have_authattrs; /* T if have authattrs */
+
+ /* Content Data (or NULL) */
+ enum OID data_type; /* Type of Data */
+ size_t data_len; /* Length of Data */
+ size_t data_hdrlen; /* Length of Data ASN.1 header */
+ const void *data; /* Content Data (or 0) */
+};
+#endif /* _PKCS7_PARSER_H */
diff --git a/include/crypto/x509_parser.h b/include/crypto/x509_parser.h
new file mode 100644
index 0000000000..4cbdc1d661
--- /dev/null
+++ b/include/crypto/x509_parser.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* X.509 certificate parser internal definitions
+ *
+ * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ */
+
+#ifndef _X509_PARSER_H
+#define _X509_PARSER_H
+
+#include <linux/time.h>
+#include <crypto/public_key.h>
+#include <keys/asymmetric-type.h>
+
+struct x509_certificate {
+ struct x509_certificate *next;
+ struct x509_certificate *signer; /* Certificate that signed this one */
+ struct public_key *pub; /* Public key details */
+ struct public_key_signature *sig; /* Signature parameters */
+ char *issuer; /* Name of certificate issuer */
+ char *subject; /* Name of certificate subject */
+ struct asymmetric_key_id *id; /* Issuer + Serial number */
+ struct asymmetric_key_id *skid; /* Subject + subjectKeyId (optional) */
+ time64_t valid_from;
+ time64_t valid_to;
+ const void *tbs; /* Signed data */
+ unsigned tbs_size; /* Size of signed data */
+ unsigned raw_sig_size; /* Size of sigature */
+ const void *raw_sig; /* Signature data */
+ const void *raw_serial; /* Raw serial number in ASN.1 */
+ unsigned raw_serial_size;
+ unsigned raw_issuer_size;
+ const void *raw_issuer; /* Raw issuer name in ASN.1 */
+ const void *raw_subject; /* Raw subject name in ASN.1 */
+ unsigned raw_subject_size;
+ unsigned raw_skid_size;
+ const void *raw_skid; /* Raw subjectKeyId in ASN.1 */
+ unsigned index;
+ bool seen; /* Infinite recursion prevention */
+ bool verified;
+ bool self_signed; /* T if self-signed (check unsupported_sig too) */
+ bool unsupported_key; /* T if key uses unsupported crypto */
+ bool unsupported_sig; /* T if signature uses unsupported crypto */
+ bool blacklisted;
+};
+
+/*
+ * x509_cert_parser.c
+ */
+extern void x509_free_certificate(struct x509_certificate *cert);
+extern struct x509_certificate *x509_cert_parse(const void *data, size_t datalen);
+extern int x509_decode_time(time64_t *_t, size_t hdrlen,
+ unsigned char tag,
+ const unsigned char *value, size_t vlen);
+
+/*
+ * x509_public_key.c
+ */
+extern int x509_get_sig_params(struct x509_certificate *cert);
+extern int x509_check_for_self_signed(struct x509_certificate *cert);
+#endif /* _X509_PARSER_H */