integrity: convert digsig to akcipher api

Convert asymmetric_verify to akcipher api. Signed-off-by: Tadeusz Struk <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
TechNexion · Feb 6, 2016 · 42bbaab · 42bbaab
1 parent 57f96bb
commit 42bbaab
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diff --git a/security/integrity/Kconfig b/security/integrity/Kconfig
@@ -36,6 +36,7 @@ config INTEGRITY_ASYMMETRIC_KEYS
         select ASYMMETRIC_KEY_TYPE
         select ASYMMETRIC_PUBLIC_KEY_SUBTYPE
         select PUBLIC_KEY_ALGO_RSA
+        select CRYPTO_RSA
         select X509_CERTIFICATE_PARSER
 	help
 	  This option enables digital signature verification using

diff --git a/security/integrity/digsig_asymmetric.c b/security/integrity/digsig_asymmetric.c
@@ -106,13 +106,9 @@ int asymmetric_verify(struct key *keyring, const char *sig,
 	pks.pkey_hash_algo = hdr->hash_algo;
 	pks.digest = (u8 *)data;
 	pks.digest_size = datalen;
-	pks.nr_mpi = 1;
-	pks.rsa.s = mpi_read_raw_data(hdr->sig, siglen);
-
-	if (pks.rsa.s)
-		ret = verify_signature(key, &pks);
-
-	mpi_free(pks.rsa.s);
+	pks.s = hdr->sig;
+	pks.s_size = siglen;
+	ret = verify_signature(key, &pks);
 	key_put(key);
 	pr_debug("%s() = %d\n", __func__, ret);
 	return ret;