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Diffstat (limited to 'include/crypto/backport-public_key.h')
-rw-r--r-- | include/crypto/backport-public_key.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/include/crypto/backport-public_key.h b/include/crypto/backport-public_key.h new file mode 100644 index 0000000..1107db7 --- /dev/null +++ b/include/crypto/backport-public_key.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Asymmetric public-key algorithm definitions + * + * See Documentation/crypto/asymmetric-keys.txt + * + * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + +#ifndef _LINUX_PUBLIC_KEY_H +#define _LINUX_PUBLIC_KEY_H + +#include <linux/keyctl.h> +#include <linux/oid_registry.h> + +/* + * Cryptographic data for the public-key subtype of the asymmetric key type. + * + * Note that this may include private part of the key as well as the public + * part. + */ +struct public_key { + void *key; + u32 keylen; + enum OID algo; + void *params; + u32 paramlen; + bool key_is_private; + const char *id_type; + const char *pkey_algo; +}; + +extern void public_key_free(struct public_key *key); + +/* + * Public key cryptography signature data + */ +struct public_key_signature { + struct asymmetric_key_id *auth_ids[2]; + u8 *s; /* Signature */ + u32 s_size; /* Number of bytes in signature */ + u8 *digest; + u8 digest_size; /* Number of bytes in digest */ + const char *pkey_algo; + const char *hash_algo; + const char *encoding; +}; + +extern void public_key_signature_free(struct public_key_signature *sig); + +extern struct asymmetric_key_subtype public_key_subtype; + +int public_key_verify_signature(const struct public_key *pkey, + const struct public_key_signature *sig); + +#endif /* _LINUX_PUBLIC_KEY_H */ |