[PATCH v6 07/11] ima-evm-utils: Replace find_keyid with find_keyid_pkey

[Vitaly Chikunov <vt@xxxxxxxxxxxx>]

Finish conversion of find_keyid to EVP_PKEY API. After verify_hash_v2()
is switched to EVP_PKEY API (in previous commit) old RSA-specific
find_keyid() does not needed anymore and can be replaced with
find_keyid_pkey().

Signed-off-by: Vitaly Chikunov <vt@xxxxxxxxxxxx>
---
 src/libimaevm.c | 20 ++------------------
 1 file changed, 2 insertions(+), 18 deletions(-)

diff --git a/src/libimaevm.c b/src/libimaevm.c
index c24c67f..d8223e0 100644
--- a/src/libimaevm.c
+++ b/src/libimaevm.c
@@ -456,7 +456,7 @@ struct public_key_entry {
 };
 static struct public_key_entry *public_keys = NULL;
 
-static EVP_PKEY *find_keyid_pkey(uint32_t keyid)
+static EVP_PKEY *find_keyid(uint32_t keyid)
 {
 	struct public_key_entry *entry;
 
@@ -467,22 +467,6 @@ static EVP_PKEY *find_keyid_pkey(uint32_t keyid)
 	return NULL;
 }
 
-static RSA *find_keyid(uint32_t keyid)
-{
-	EVP_PKEY *pkey;
-	RSA *key;
-
-	pkey = find_keyid_pkey(keyid);
-	if (!pkey)
-		return NULL;
-	key = EVP_PKEY_get0_RSA(pkey);
-	if (!key) {
-		log_err("find_keyid: unsupported key type\n");
-		return NULL;
-	}
-	return key;
-}
-
 void init_public_keys(const char *keyfiles)
 {
 	struct public_key_entry *entry;
@@ -537,7 +521,7 @@ int verify_hash_v2(const char *file, const unsigned char *hash, int size,
 	}
 
 	if (public_keys) {
-		pkey = find_keyid_pkey(hdr->keyid);
+		pkey = find_keyid(hdr->keyid);
 		if (!pkey) {
 			log_err("%s: unknown keyid: %x\n", file,
 				__be32_to_cpup(&hdr->keyid));
-- 
2.11.0