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@@ -0,0 +1,668 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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+/* Asymmetric public-key cryptography key type
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+ *
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+ * See Documentation/crypto/asymmetric-keys.txt
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+ *
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+ * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
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+ * Written by David Howells (dhowells@redhat.com)
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+ */
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+#ifndef __UBOOT__
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+#include <keys/asymmetric-subtype.h>
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+#include <keys/asymmetric-parser.h>
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+#endif
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+#include <crypto/public_key.h>
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+#ifdef __UBOOT__
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+#include <linux/compat.h>
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+#include <linux/ctype.h>
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+#include <linux/string.h>
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+#else
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+#include <linux/seq_file.h>
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+#include <linux/module.h>
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+#include <linux/slab.h>
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+#include <linux/ctype.h>
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+#endif
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+#ifdef __UBOOT__
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+#include <keys/asymmetric-type.h>
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+#else
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+#include <keys/system_keyring.h>
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+#include <keys/user-type.h>
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+#include "asymmetric_keys.h"
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+#endif
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+
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+MODULE_LICENSE("GPL");
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+
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+#ifndef __UBOOT__
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+const char *const key_being_used_for[NR__KEY_BEING_USED_FOR] = {
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+ [VERIFYING_MODULE_SIGNATURE] = "mod sig",
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+ [VERIFYING_FIRMWARE_SIGNATURE] = "firmware sig",
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+ [VERIFYING_KEXEC_PE_SIGNATURE] = "kexec PE sig",
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+ [VERIFYING_KEY_SIGNATURE] = "key sig",
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+ [VERIFYING_KEY_SELF_SIGNATURE] = "key self sig",
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+ [VERIFYING_UNSPECIFIED_SIGNATURE] = "unspec sig",
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+};
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+EXPORT_SYMBOL_GPL(key_being_used_for);
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+
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+static LIST_HEAD(asymmetric_key_parsers);
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+static DECLARE_RWSEM(asymmetric_key_parsers_sem);
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+
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+/**
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+ * find_asymmetric_key - Find a key by ID.
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+ * @keyring: The keys to search.
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+ * @id_0: The first ID to look for or NULL.
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+ * @id_1: The second ID to look for or NULL.
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+ * @partial: Use partial match if true, exact if false.
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+ *
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+ * Find a key in the given keyring by identifier. The preferred identifier is
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+ * the id_0 and the fallback identifier is the id_1. If both are given, the
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+ * lookup is by the former, but the latter must also match.
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+ */
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+struct key *find_asymmetric_key(struct key *keyring,
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+ const struct asymmetric_key_id *id_0,
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+ const struct asymmetric_key_id *id_1,
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+ bool partial)
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+{
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+ struct key *key;
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+ key_ref_t ref;
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+ const char *lookup;
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+ char *req, *p;
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+ int len;
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+
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+ BUG_ON(!id_0 && !id_1);
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+
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+ if (id_0) {
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+ lookup = id_0->data;
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+ len = id_0->len;
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+ } else {
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+ lookup = id_1->data;
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+ len = id_1->len;
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+ }
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+
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+ /* Construct an identifier "id:<keyid>". */
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+ p = req = kmalloc(2 + 1 + len * 2 + 1, GFP_KERNEL);
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+ if (!req)
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+ return ERR_PTR(-ENOMEM);
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+
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+ if (partial) {
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+ *p++ = 'i';
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+ *p++ = 'd';
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+ } else {
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+ *p++ = 'e';
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+ *p++ = 'x';
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+ }
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+ *p++ = ':';
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+ p = bin2hex(p, lookup, len);
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+ *p = 0;
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+
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+ pr_debug("Look up: \"%s\"\n", req);
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+
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+ ref = keyring_search(make_key_ref(keyring, 1),
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+ &key_type_asymmetric, req, true);
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+ if (IS_ERR(ref))
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+ pr_debug("Request for key '%s' err %ld\n", req, PTR_ERR(ref));
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+ kfree(req);
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+
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+ if (IS_ERR(ref)) {
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+ switch (PTR_ERR(ref)) {
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+ /* Hide some search errors */
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+ case -EACCES:
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+ case -ENOTDIR:
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+ case -EAGAIN:
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+ return ERR_PTR(-ENOKEY);
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+ default:
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+ return ERR_CAST(ref);
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+ }
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+ }
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+
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+ key = key_ref_to_ptr(ref);
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+ if (id_0 && id_1) {
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+ const struct asymmetric_key_ids *kids = asymmetric_key_ids(key);
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+
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+ if (!kids->id[1]) {
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+ pr_debug("First ID matches, but second is missing\n");
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+ goto reject;
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+ }
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+ if (!asymmetric_key_id_same(id_1, kids->id[1])) {
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+ pr_debug("First ID matches, but second does not\n");
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+ goto reject;
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+ }
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+ }
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+
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+ pr_devel("<==%s() = 0 [%x]\n", __func__, key_serial(key));
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+ return key;
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+
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+reject:
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+ key_put(key);
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+ return ERR_PTR(-EKEYREJECTED);
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+}
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+EXPORT_SYMBOL_GPL(find_asymmetric_key);
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+#endif /* !__UBOOT__ */
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+
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+/**
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+ * asymmetric_key_generate_id: Construct an asymmetric key ID
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+ * @val_1: First binary blob
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+ * @len_1: Length of first binary blob
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+ * @val_2: Second binary blob
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+ * @len_2: Length of second binary blob
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+ *
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+ * Construct an asymmetric key ID from a pair of binary blobs.
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+ */
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+struct asymmetric_key_id *asymmetric_key_generate_id(const void *val_1,
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+ size_t len_1,
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+ const void *val_2,
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+ size_t len_2)
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+{
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+ struct asymmetric_key_id *kid;
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+
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+ kid = kmalloc(sizeof(struct asymmetric_key_id) + len_1 + len_2,
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+ GFP_KERNEL);
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+ if (!kid)
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+ return ERR_PTR(-ENOMEM);
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+ kid->len = len_1 + len_2;
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+ memcpy(kid->data, val_1, len_1);
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+ memcpy(kid->data + len_1, val_2, len_2);
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+ return kid;
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+}
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+EXPORT_SYMBOL_GPL(asymmetric_key_generate_id);
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+
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+/**
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+ * asymmetric_key_id_same - Return true if two asymmetric keys IDs are the same.
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+ * @kid_1, @kid_2: The key IDs to compare
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+ */
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+bool asymmetric_key_id_same(const struct asymmetric_key_id *kid1,
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+ const struct asymmetric_key_id *kid2)
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+{
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+ if (!kid1 || !kid2)
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+ return false;
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+ if (kid1->len != kid2->len)
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+ return false;
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+ return memcmp(kid1->data, kid2->data, kid1->len) == 0;
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+}
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+EXPORT_SYMBOL_GPL(asymmetric_key_id_same);
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+
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+/**
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+ * asymmetric_key_id_partial - Return true if two asymmetric keys IDs
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+ * partially match
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+ * @kid_1, @kid_2: The key IDs to compare
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+ */
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+bool asymmetric_key_id_partial(const struct asymmetric_key_id *kid1,
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+ const struct asymmetric_key_id *kid2)
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+{
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+ if (!kid1 || !kid2)
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+ return false;
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+ if (kid1->len < kid2->len)
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+ return false;
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+ return memcmp(kid1->data + (kid1->len - kid2->len),
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+ kid2->data, kid2->len) == 0;
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+}
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+EXPORT_SYMBOL_GPL(asymmetric_key_id_partial);
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+
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+#ifndef __UBOOT__
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+/**
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+ * asymmetric_match_key_ids - Search asymmetric key IDs
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+ * @kids: The list of key IDs to check
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+ * @match_id: The key ID we're looking for
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+ * @match: The match function to use
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+ */
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+static bool asymmetric_match_key_ids(
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+ const struct asymmetric_key_ids *kids,
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+ const struct asymmetric_key_id *match_id,
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+ bool (*match)(const struct asymmetric_key_id *kid1,
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+ const struct asymmetric_key_id *kid2))
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+{
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+ int i;
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+
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+ if (!kids || !match_id)
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+ return false;
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+ for (i = 0; i < ARRAY_SIZE(kids->id); i++)
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+ if (match(kids->id[i], match_id))
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+ return true;
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+ return false;
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+}
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+
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+/* helper function can be called directly with pre-allocated memory */
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+inline int __asymmetric_key_hex_to_key_id(const char *id,
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+ struct asymmetric_key_id *match_id,
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+ size_t hexlen)
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+{
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+ match_id->len = hexlen;
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+ return hex2bin(match_id->data, id, hexlen);
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+}
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+
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+/**
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+ * asymmetric_key_hex_to_key_id - Convert a hex string into a key ID.
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+ * @id: The ID as a hex string.
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+ */
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+struct asymmetric_key_id *asymmetric_key_hex_to_key_id(const char *id)
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+{
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+ struct asymmetric_key_id *match_id;
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+ size_t asciihexlen;
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+ int ret;
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+
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+ if (!*id)
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+ return ERR_PTR(-EINVAL);
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+ asciihexlen = strlen(id);
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+ if (asciihexlen & 1)
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+ return ERR_PTR(-EINVAL);
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+
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+ match_id = kmalloc(sizeof(struct asymmetric_key_id) + asciihexlen / 2,
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+ GFP_KERNEL);
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+ if (!match_id)
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+ return ERR_PTR(-ENOMEM);
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+ ret = __asymmetric_key_hex_to_key_id(id, match_id, asciihexlen / 2);
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+ if (ret < 0) {
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+ kfree(match_id);
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+ return ERR_PTR(-EINVAL);
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+ }
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+ return match_id;
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+}
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+
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+/*
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+ * Match asymmetric keys by an exact match on an ID.
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+ */
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+static bool asymmetric_key_cmp(const struct key *key,
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+ const struct key_match_data *match_data)
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+{
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+ const struct asymmetric_key_ids *kids = asymmetric_key_ids(key);
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+ const struct asymmetric_key_id *match_id = match_data->preparsed;
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+
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+ return asymmetric_match_key_ids(kids, match_id,
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+ asymmetric_key_id_same);
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+}
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+
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+/*
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+ * Match asymmetric keys by a partial match on an IDs.
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+ */
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+static bool asymmetric_key_cmp_partial(const struct key *key,
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+ const struct key_match_data *match_data)
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+{
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+ const struct asymmetric_key_ids *kids = asymmetric_key_ids(key);
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+ const struct asymmetric_key_id *match_id = match_data->preparsed;
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+
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+ return asymmetric_match_key_ids(kids, match_id,
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+ asymmetric_key_id_partial);
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+}
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+
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+/*
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+ * Preparse the match criterion. If we don't set lookup_type and cmp,
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+ * the default will be an exact match on the key description.
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+ *
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+ * There are some specifiers for matching key IDs rather than by the key
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+ * description:
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+ *
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+ * "id:<id>" - find a key by partial match on any available ID
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+ * "ex:<id>" - find a key by exact match on any available ID
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+ *
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+ * These have to be searched by iteration rather than by direct lookup because
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+ * the key is hashed according to its description.
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+ */
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+static int asymmetric_key_match_preparse(struct key_match_data *match_data)
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+{
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+ struct asymmetric_key_id *match_id;
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+ const char *spec = match_data->raw_data;
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+ const char *id;
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+ bool (*cmp)(const struct key *, const struct key_match_data *) =
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+ asymmetric_key_cmp;
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+
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+ if (!spec || !*spec)
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+ return -EINVAL;
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+ if (spec[0] == 'i' &&
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+ spec[1] == 'd' &&
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+ spec[2] == ':') {
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+ id = spec + 3;
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+ cmp = asymmetric_key_cmp_partial;
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+ } else if (spec[0] == 'e' &&
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+ spec[1] == 'x' &&
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+ spec[2] == ':') {
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+ id = spec + 3;
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+ } else {
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+ goto default_match;
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+ }
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+
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+ match_id = asymmetric_key_hex_to_key_id(id);
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+ if (IS_ERR(match_id))
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+ return PTR_ERR(match_id);
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+
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+ match_data->preparsed = match_id;
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+ match_data->cmp = cmp;
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+ match_data->lookup_type = KEYRING_SEARCH_LOOKUP_ITERATE;
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+ return 0;
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+
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+default_match:
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+ return 0;
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+}
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+
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+/*
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+ * Free the preparsed the match criterion.
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+ */
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+static void asymmetric_key_match_free(struct key_match_data *match_data)
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+{
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+ kfree(match_data->preparsed);
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+}
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+
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+/*
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+ * Describe the asymmetric key
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+ */
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+static void asymmetric_key_describe(const struct key *key, struct seq_file *m)
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+{
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+ const struct asymmetric_key_subtype *subtype = asymmetric_key_subtype(key);
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+ const struct asymmetric_key_ids *kids = asymmetric_key_ids(key);
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+ const struct asymmetric_key_id *kid;
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+ const unsigned char *p;
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+ int n;
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+
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+ seq_puts(m, key->description);
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+
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+ if (subtype) {
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+ seq_puts(m, ": ");
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+ subtype->describe(key, m);
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+
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+ if (kids && kids->id[1]) {
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+ kid = kids->id[1];
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+ seq_putc(m, ' ');
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+ n = kid->len;
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+ p = kid->data;
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+ if (n > 4) {
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+ p += n - 4;
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+ n = 4;
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+ }
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+ seq_printf(m, "%*phN", n, p);
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+ }
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+
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+ seq_puts(m, " [");
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+ /* put something here to indicate the key's capabilities */
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+ seq_putc(m, ']');
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+ }
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+}
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+
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+/*
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+ * Preparse a asymmetric payload to get format the contents appropriately for the
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+ * internal payload to cut down on the number of scans of the data performed.
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+ *
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+ * We also generate a proposed description from the contents of the key that
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+ * can be used to name the key if the user doesn't want to provide one.
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+ */
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+static int asymmetric_key_preparse(struct key_preparsed_payload *prep)
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+{
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+ struct asymmetric_key_parser *parser;
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+ int ret;
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+
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+ pr_devel("==>%s()\n", __func__);
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+
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+ if (prep->datalen == 0)
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+ return -EINVAL;
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+
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+ down_read(&asymmetric_key_parsers_sem);
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+
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+ ret = -EBADMSG;
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+ list_for_each_entry(parser, &asymmetric_key_parsers, link) {
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+ pr_debug("Trying parser '%s'\n", parser->name);
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+
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+ ret = parser->parse(prep);
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+ if (ret != -EBADMSG) {
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+ pr_debug("Parser recognised the format (ret %d)\n",
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+ ret);
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+ break;
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+ }
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+ }
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+
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+ up_read(&asymmetric_key_parsers_sem);
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+ pr_devel("<==%s() = %d\n", __func__, ret);
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+ return ret;
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+}
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|
+
|
|
|
+/*
|
|
|
+ * Clean up the key ID list
|
|
|
+ */
|
|
|
+static void asymmetric_key_free_kids(struct asymmetric_key_ids *kids)
|
|
|
+{
|
|
|
+ int i;
|
|
|
+
|
|
|
+ if (kids) {
|
|
|
+ for (i = 0; i < ARRAY_SIZE(kids->id); i++)
|
|
|
+ kfree(kids->id[i]);
|
|
|
+ kfree(kids);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+/*
|
|
|
+ * Clean up the preparse data
|
|
|
+ */
|
|
|
+static void asymmetric_key_free_preparse(struct key_preparsed_payload *prep)
|
|
|
+{
|
|
|
+ struct asymmetric_key_subtype *subtype = prep->payload.data[asym_subtype];
|
|
|
+ struct asymmetric_key_ids *kids = prep->payload.data[asym_key_ids];
|
|
|
+
|
|
|
+ pr_devel("==>%s()\n", __func__);
|
|
|
+
|
|
|
+ if (subtype) {
|
|
|
+ subtype->destroy(prep->payload.data[asym_crypto],
|
|
|
+ prep->payload.data[asym_auth]);
|
|
|
+ module_put(subtype->owner);
|
|
|
+ }
|
|
|
+ asymmetric_key_free_kids(kids);
|
|
|
+ kfree(prep->description);
|
|
|
+}
|
|
|
+
|
|
|
+/*
|
|
|
+ * dispose of the data dangling from the corpse of a asymmetric key
|
|
|
+ */
|
|
|
+static void asymmetric_key_destroy(struct key *key)
|
|
|
+{
|
|
|
+ struct asymmetric_key_subtype *subtype = asymmetric_key_subtype(key);
|
|
|
+ struct asymmetric_key_ids *kids = key->payload.data[asym_key_ids];
|
|
|
+ void *data = key->payload.data[asym_crypto];
|
|
|
+ void *auth = key->payload.data[asym_auth];
|
|
|
+
|
|
|
+ key->payload.data[asym_crypto] = NULL;
|
|
|
+ key->payload.data[asym_subtype] = NULL;
|
|
|
+ key->payload.data[asym_key_ids] = NULL;
|
|
|
+ key->payload.data[asym_auth] = NULL;
|
|
|
+
|
|
|
+ if (subtype) {
|
|
|
+ subtype->destroy(data, auth);
|
|
|
+ module_put(subtype->owner);
|
|
|
+ }
|
|
|
+
|
|
|
+ asymmetric_key_free_kids(kids);
|
|
|
+}
|
|
|
+
|
|
|
+static struct key_restriction *asymmetric_restriction_alloc(
|
|
|
+ key_restrict_link_func_t check,
|
|
|
+ struct key *key)
|
|
|
+{
|
|
|
+ struct key_restriction *keyres =
|
|
|
+ kzalloc(sizeof(struct key_restriction), GFP_KERNEL);
|
|
|
+
|
|
|
+ if (!keyres)
|
|
|
+ return ERR_PTR(-ENOMEM);
|
|
|
+
|
|
|
+ keyres->check = check;
|
|
|
+ keyres->key = key;
|
|
|
+ keyres->keytype = &key_type_asymmetric;
|
|
|
+
|
|
|
+ return keyres;
|
|
|
+}
|
|
|
+
|
|
|
+/*
|
|
|
+ * look up keyring restrict functions for asymmetric keys
|
|
|
+ */
|
|
|
+static struct key_restriction *asymmetric_lookup_restriction(
|
|
|
+ const char *restriction)
|
|
|
+{
|
|
|
+ char *restrict_method;
|
|
|
+ char *parse_buf;
|
|
|
+ char *next;
|
|
|
+ struct key_restriction *ret = ERR_PTR(-EINVAL);
|
|
|
+
|
|
|
+ if (strcmp("builtin_trusted", restriction) == 0)
|
|
|
+ return asymmetric_restriction_alloc(
|
|
|
+ restrict_link_by_builtin_trusted, NULL);
|
|
|
+
|
|
|
+ if (strcmp("builtin_and_secondary_trusted", restriction) == 0)
|
|
|
+ return asymmetric_restriction_alloc(
|
|
|
+ restrict_link_by_builtin_and_secondary_trusted, NULL);
|
|
|
+
|
|
|
+ parse_buf = kstrndup(restriction, PAGE_SIZE, GFP_KERNEL);
|
|
|
+ if (!parse_buf)
|
|
|
+ return ERR_PTR(-ENOMEM);
|
|
|
+
|
|
|
+ next = parse_buf;
|
|
|
+ restrict_method = strsep(&next, ":");
|
|
|
+
|
|
|
+ if ((strcmp(restrict_method, "key_or_keyring") == 0) && next) {
|
|
|
+ char *key_text;
|
|
|
+ key_serial_t serial;
|
|
|
+ struct key *key;
|
|
|
+ key_restrict_link_func_t link_fn =
|
|
|
+ restrict_link_by_key_or_keyring;
|
|
|
+ bool allow_null_key = false;
|
|
|
+
|
|
|
+ key_text = strsep(&next, ":");
|
|
|
+
|
|
|
+ if (next) {
|
|
|
+ if (strcmp(next, "chain") != 0)
|
|
|
+ goto out;
|
|
|
+
|
|
|
+ link_fn = restrict_link_by_key_or_keyring_chain;
|
|
|
+ allow_null_key = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (kstrtos32(key_text, 0, &serial) < 0)
|
|
|
+ goto out;
|
|
|
+
|
|
|
+ if ((serial == 0) && allow_null_key) {
|
|
|
+ key = NULL;
|
|
|
+ } else {
|
|
|
+ key = key_lookup(serial);
|
|
|
+ if (IS_ERR(key)) {
|
|
|
+ ret = ERR_CAST(key);
|
|
|
+ goto out;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ ret = asymmetric_restriction_alloc(link_fn, key);
|
|
|
+ if (IS_ERR(ret))
|
|
|
+ key_put(key);
|
|
|
+ }
|
|
|
+
|
|
|
+out:
|
|
|
+ kfree(parse_buf);
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+int asymmetric_key_eds_op(struct kernel_pkey_params *params,
|
|
|
+ const void *in, void *out)
|
|
|
+{
|
|
|
+ const struct asymmetric_key_subtype *subtype;
|
|
|
+ struct key *key = params->key;
|
|
|
+ int ret;
|
|
|
+
|
|
|
+ pr_devel("==>%s()\n", __func__);
|
|
|
+
|
|
|
+ if (key->type != &key_type_asymmetric)
|
|
|
+ return -EINVAL;
|
|
|
+ subtype = asymmetric_key_subtype(key);
|
|
|
+ if (!subtype ||
|
|
|
+ !key->payload.data[0])
|
|
|
+ return -EINVAL;
|
|
|
+ if (!subtype->eds_op)
|
|
|
+ return -ENOTSUPP;
|
|
|
+
|
|
|
+ ret = subtype->eds_op(params, in, out);
|
|
|
+
|
|
|
+ pr_devel("<==%s() = %d\n", __func__, ret);
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static int asymmetric_key_verify_signature(struct kernel_pkey_params *params,
|
|
|
+ const void *in, const void *in2)
|
|
|
+{
|
|
|
+ struct public_key_signature sig = {
|
|
|
+ .s_size = params->in2_len,
|
|
|
+ .digest_size = params->in_len,
|
|
|
+ .encoding = params->encoding,
|
|
|
+ .hash_algo = params->hash_algo,
|
|
|
+ .digest = (void *)in,
|
|
|
+ .s = (void *)in2,
|
|
|
+ };
|
|
|
+
|
|
|
+ return verify_signature(params->key, &sig);
|
|
|
+}
|
|
|
+
|
|
|
+struct key_type key_type_asymmetric = {
|
|
|
+ .name = "asymmetric",
|
|
|
+ .preparse = asymmetric_key_preparse,
|
|
|
+ .free_preparse = asymmetric_key_free_preparse,
|
|
|
+ .instantiate = generic_key_instantiate,
|
|
|
+ .match_preparse = asymmetric_key_match_preparse,
|
|
|
+ .match_free = asymmetric_key_match_free,
|
|
|
+ .destroy = asymmetric_key_destroy,
|
|
|
+ .describe = asymmetric_key_describe,
|
|
|
+ .lookup_restriction = asymmetric_lookup_restriction,
|
|
|
+ .asym_query = query_asymmetric_key,
|
|
|
+ .asym_eds_op = asymmetric_key_eds_op,
|
|
|
+ .asym_verify_signature = asymmetric_key_verify_signature,
|
|
|
+};
|
|
|
+EXPORT_SYMBOL_GPL(key_type_asymmetric);
|
|
|
+
|
|
|
+/**
|
|
|
+ * register_asymmetric_key_parser - Register a asymmetric key blob parser
|
|
|
+ * @parser: The parser to register
|
|
|
+ */
|
|
|
+int register_asymmetric_key_parser(struct asymmetric_key_parser *parser)
|
|
|
+{
|
|
|
+ struct asymmetric_key_parser *cursor;
|
|
|
+ int ret;
|
|
|
+
|
|
|
+ down_write(&asymmetric_key_parsers_sem);
|
|
|
+
|
|
|
+ list_for_each_entry(cursor, &asymmetric_key_parsers, link) {
|
|
|
+ if (strcmp(cursor->name, parser->name) == 0) {
|
|
|
+ pr_err("Asymmetric key parser '%s' already registered\n",
|
|
|
+ parser->name);
|
|
|
+ ret = -EEXIST;
|
|
|
+ goto out;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ list_add_tail(&parser->link, &asymmetric_key_parsers);
|
|
|
+
|
|
|
+ pr_notice("Asymmetric key parser '%s' registered\n", parser->name);
|
|
|
+ ret = 0;
|
|
|
+
|
|
|
+out:
|
|
|
+ up_write(&asymmetric_key_parsers_sem);
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+EXPORT_SYMBOL_GPL(register_asymmetric_key_parser);
|
|
|
+
|
|
|
+/**
|
|
|
+ * unregister_asymmetric_key_parser - Unregister a asymmetric key blob parser
|
|
|
+ * @parser: The parser to unregister
|
|
|
+ */
|
|
|
+void unregister_asymmetric_key_parser(struct asymmetric_key_parser *parser)
|
|
|
+{
|
|
|
+ down_write(&asymmetric_key_parsers_sem);
|
|
|
+ list_del(&parser->link);
|
|
|
+ up_write(&asymmetric_key_parsers_sem);
|
|
|
+
|
|
|
+ pr_notice("Asymmetric key parser '%s' unregistered\n", parser->name);
|
|
|
+}
|
|
|
+EXPORT_SYMBOL_GPL(unregister_asymmetric_key_parser);
|
|
|
+
|
|
|
+/*
|
|
|
+ * Module stuff
|
|
|
+ */
|
|
|
+static int __init asymmetric_key_init(void)
|
|
|
+{
|
|
|
+ return register_key_type(&key_type_asymmetric);
|
|
|
+}
|
|
|
+
|
|
|
+static void __exit asymmetric_key_cleanup(void)
|
|
|
+{
|
|
|
+ unregister_key_type(&key_type_asymmetric);
|
|
|
+}
|
|
|
+
|
|
|
+module_init(asymmetric_key_init);
|
|
|
+module_exit(asymmetric_key_cleanup);
|
|
|
+#endif /* !__UBOOT__ */
|