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author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-10-19 15:19:19 -0400 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-10-19 15:19:19 -0400 |
commit | e05dacd71db0a5da7c1a44bcaab2a8a240b9c233 (patch) | |
tree | 31382cf1c7d62c03126448affb2fc86e8c4aaa8b /include/crypto/public_key.h | |
parent | xen: arm: comment on why 64-bit xen_pfn_t is safe even on 32 bit (diff) | |
parent | Linux 3.7-rc1 (diff) | |
download | linux-dev-e05dacd71db0a5da7c1a44bcaab2a8a240b9c233.tar.xz linux-dev-e05dacd71db0a5da7c1a44bcaab2a8a240b9c233.zip |
Merge commit 'v3.7-rc1' into stable/for-linus-3.7
* commit 'v3.7-rc1': (10892 commits)
Linux 3.7-rc1
x86, boot: Explicitly include autoconf.h for hostprogs
perf: Fix UAPI fallout
ARM: config: make sure that platforms are ordered by option string
ARM: config: sort select statements alphanumerically
UAPI: (Scripted) Disintegrate include/linux/byteorder
UAPI: (Scripted) Disintegrate include/linux
UAPI: Unexport linux/blk_types.h
UAPI: Unexport part of linux/ppp-comp.h
perf: Handle new rbtree implementation
procfs: don't need a PATH_MAX allocation to hold a string representation of an int
vfs: embed struct filename inside of names_cache allocation if possible
audit: make audit_inode take struct filename
vfs: make path_openat take a struct filename pointer
vfs: turn do_path_lookup into wrapper around struct filename variant
audit: allow audit code to satisfy getname requests from its names_list
vfs: define struct filename and have getname() return it
btrfs: Fix compilation with user namespace support enabled
userns: Fix posix_acl_file_xattr_userns gid conversion
userns: Properly print bluetooth socket uids
...
Diffstat (limited to 'include/crypto/public_key.h')
-rw-r--r-- | include/crypto/public_key.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/include/crypto/public_key.h b/include/crypto/public_key.h new file mode 100644 index 000000000000..f5b0224c9967 --- /dev/null +++ b/include/crypto/public_key.h @@ -0,0 +1,108 @@ +/* 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) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#ifndef _LINUX_PUBLIC_KEY_H +#define _LINUX_PUBLIC_KEY_H + +#include <linux/mpi.h> + +enum pkey_algo { + PKEY_ALGO_DSA, + PKEY_ALGO_RSA, + PKEY_ALGO__LAST +}; + +extern const char *const pkey_algo[PKEY_ALGO__LAST]; + +enum pkey_hash_algo { + PKEY_HASH_MD4, + PKEY_HASH_MD5, + PKEY_HASH_SHA1, + PKEY_HASH_RIPE_MD_160, + PKEY_HASH_SHA256, + PKEY_HASH_SHA384, + PKEY_HASH_SHA512, + PKEY_HASH_SHA224, + PKEY_HASH__LAST +}; + +extern const char *const pkey_hash_algo[PKEY_HASH__LAST]; + +enum pkey_id_type { + PKEY_ID_PGP, /* OpenPGP generated key ID */ + PKEY_ID_X509, /* X.509 arbitrary subjectKeyIdentifier */ + PKEY_ID_TYPE__LAST +}; + +extern const char *const pkey_id_type[PKEY_ID_TYPE__LAST]; + +/* + * 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 { + const struct public_key_algorithm *algo; + u8 capabilities; +#define PKEY_CAN_ENCRYPT 0x01 +#define PKEY_CAN_DECRYPT 0x02 +#define PKEY_CAN_SIGN 0x04 +#define PKEY_CAN_VERIFY 0x08 + enum pkey_id_type id_type : 8; + union { + MPI mpi[5]; + struct { + MPI p; /* DSA prime */ + MPI q; /* DSA group order */ + MPI g; /* DSA group generator */ + MPI y; /* DSA public-key value = g^x mod p */ + MPI x; /* DSA secret exponent (if present) */ + } dsa; + struct { + MPI n; /* RSA public modulus */ + MPI e; /* RSA public encryption exponent */ + MPI d; /* RSA secret encryption exponent (if present) */ + MPI p; /* RSA secret prime (if present) */ + MPI q; /* RSA secret prime (if present) */ + } rsa; + }; +}; + +extern void public_key_destroy(void *payload); + +/* + * Public key cryptography signature data + */ +struct public_key_signature { + u8 *digest; + u8 digest_size; /* Number of bytes in digest */ + u8 nr_mpi; /* Occupancy of mpi[] */ + enum pkey_hash_algo pkey_hash_algo : 8; + union { + MPI mpi[2]; + struct { + MPI s; /* m^d mod n */ + } rsa; + struct { + MPI r; + MPI s; + } dsa; + }; +}; + +struct key; +extern int verify_signature(const struct key *key, + const struct public_key_signature *sig); + +#endif /* _LINUX_PUBLIC_KEY_H */ |