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-rw-r--r--include/crypto/public_key.h76
1 files changed, 13 insertions, 63 deletions
diff --git a/include/crypto/public_key.h b/include/crypto/public_key.h
index cc2516df0efa..aa730ea7faf8 100644
--- a/include/crypto/public_key.h
+++ b/include/crypto/public_key.h
@@ -14,30 +14,6 @@
#ifndef _LINUX_PUBLIC_KEY_H
#define _LINUX_PUBLIC_KEY_H
-#include <linux/mpi.h>
-#include <crypto/hash_info.h>
-
-enum pkey_algo {
- PKEY_ALGO_DSA,
- PKEY_ALGO_RSA,
- PKEY_ALGO__LAST
-};
-
-extern const char *const pkey_algo_name[PKEY_ALGO__LAST];
-extern const struct public_key_algorithm *pkey_algo[PKEY_ALGO__LAST];
-
-/* asymmetric key implementation supports only up to SHA224 */
-#define PKEY_HASH__LAST (HASH_ALGO_SHA224 + 1)
-
-enum pkey_id_type {
- PKEY_ID_PGP, /* OpenPGP generated key ID */
- PKEY_ID_X509, /* X.509 arbitrary subjectKeyIdentifier */
- PKEY_ID_PKCS7, /* Signature in PKCS#7 message */
- PKEY_ID_TYPE__LAST
-};
-
-extern const char *const pkey_id_type_name[PKEY_ID_TYPE__LAST];
-
/*
* The use to which an asymmetric key is being put.
*/
@@ -59,31 +35,10 @@ extern const char *const key_being_used_for[NR__KEY_BEING_USED_FOR];
* 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_algo pkey_algo : 8;
- 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;
- };
+ void *key;
+ u32 keylen;
+ const char *id_type;
+ const char *pkey_algo;
};
extern void public_key_destroy(void *payload);
@@ -92,23 +47,15 @@ extern void public_key_destroy(void *payload);
* Public key cryptography signature data
*/
struct public_key_signature {
+ u8 *s; /* Signature */
+ u32 s_size; /* Number of bytes in signature */
u8 *digest;
- u8 digest_size; /* Number of bytes in digest */
- u8 nr_mpi; /* Occupancy of mpi[] */
- enum pkey_algo pkey_algo : 8;
- enum hash_algo pkey_hash_algo : 8;
- union {
- MPI mpi[2];
- struct {
- MPI s; /* m^d mod n */
- } rsa;
- struct {
- MPI r;
- MPI s;
- } dsa;
- };
+ u8 digest_size; /* Number of bytes in digest */
+ const char *pkey_algo;
+ const char *hash_algo;
};
+extern struct asymmetric_key_subtype public_key_subtype;
struct key;
extern int verify_signature(const struct key *key,
const struct public_key_signature *sig);
@@ -119,4 +66,7 @@ extern struct key *x509_request_asymmetric_key(struct key *keyring,
const struct asymmetric_key_id *skid,
bool partial);
+int public_key_verify_signature(const struct public_key *pkey,
+ const struct public_key_signature *sig);
+
#endif /* _LINUX_PUBLIC_KEY_H */