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Diffstat (limited to 'crypto/asymmetric_keys/x509_public_key.c')
-rw-r--r--crypto/asymmetric_keys/x509_public_key.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/crypto/asymmetric_keys/x509_public_key.c b/crypto/asymmetric_keys/x509_public_key.c
index 7092d5cbb5d3..9e9e5a6a9ed6 100644
--- a/crypto/asymmetric_keys/x509_public_key.c
+++ b/crypto/asymmetric_keys/x509_public_key.c
@@ -13,11 +13,15 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
+#include <linux/err.h>
+#include <linux/mpi.h>
+#include <linux/asn1_decoder.h>
#include <keys/asymmetric-subtype.h>
#include <keys/asymmetric-parser.h>
#include <keys/system_keyring.h>
#include <crypto/hash.h>
#include "asymmetric_keys.h"
+#include "public_key.h"
#include "x509_parser.h"
static bool use_builtin_keys;
@@ -163,15 +167,13 @@ int x509_get_sig_params(struct x509_certificate *cert)
if (cert->unsupported_crypto)
return -ENOPKG;
- if (cert->sig.s)
+ if (cert->sig.rsa.s)
return 0;
- cert->sig.s = kmemdup(cert->raw_sig, cert->raw_sig_size,
- GFP_KERNEL);
- if (!cert->sig.s)
+ cert->sig.rsa.s = mpi_read_raw_data(cert->raw_sig, cert->raw_sig_size);
+ if (!cert->sig.rsa.s)
return -ENOMEM;
-
- cert->sig.s_size = cert->raw_sig_size;
+ cert->sig.nr_mpi = 1;
/* Allocate the hashing algorithm we're going to need and find out how
* big the hash operational data will be.
@@ -294,6 +296,8 @@ static int x509_key_preparse(struct key_preparsed_payload *prep)
if (cert->pub->pkey_algo >= PKEY_ALGO__LAST ||
cert->sig.pkey_algo >= PKEY_ALGO__LAST ||
cert->sig.pkey_hash_algo >= PKEY_HASH__LAST ||
+ !pkey_algo[cert->pub->pkey_algo] ||
+ !pkey_algo[cert->sig.pkey_algo] ||
!hash_algo_name[cert->sig.pkey_hash_algo]) {
ret = -ENOPKG;
goto error_free_cert;
@@ -305,6 +309,7 @@ static int x509_key_preparse(struct key_preparsed_payload *prep)
pkey_algo_name[cert->sig.pkey_algo],
hash_algo_name[cert->sig.pkey_hash_algo]);
+ cert->pub->algo = pkey_algo[cert->pub->pkey_algo];
cert->pub->id_type = PKEY_ID_X509;
/* Check the signature on the key if it appears to be self-signed */