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Diffstat (limited to 'src/libstrongswan/crypto/prfs/prf.c')
-rw-r--r--src/libstrongswan/crypto/prfs/prf.c27
1 files changed, 26 insertions, 1 deletions
diff --git a/src/libstrongswan/crypto/prfs/prf.c b/src/libstrongswan/crypto/prfs/prf.c
index 12e13ef57..eee09535d 100644
--- a/src/libstrongswan/crypto/prfs/prf.c
+++ b/src/libstrongswan/crypto/prfs/prf.c
@@ -1,7 +1,8 @@
/*
+ * Copyright (C) 2018 Tobias Brunner
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
- * Hochschule fuer Technik Rapperswil
+ * HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -16,6 +17,8 @@
#include "prf.h"
+#include <asn1/oid.h>
+
ENUM_BEGIN(pseudo_random_function_names, PRF_UNDEFINED, PRF_CAMELLIA128_XCBC,
"PRF_UNDEFINED",
"PRF_FIPS_SHA1_160",
@@ -33,3 +36,25 @@ ENUM_NEXT(pseudo_random_function_names, PRF_HMAC_MD5, PRF_AES128_CMAC, PRF_CAMEL
"PRF_AES128_CMAC");
ENUM_END(pseudo_random_function_names, PRF_AES128_CMAC);
+/*
+ * Described in header.
+ */
+pseudo_random_function_t pseudo_random_function_from_oid(int oid)
+{
+ switch (oid)
+ {
+ case OID_HMAC_SHA1:
+ return PRF_HMAC_SHA1;
+ case OID_HMAC_SHA256:
+ return PRF_HMAC_SHA2_256;
+ case OID_HMAC_SHA384:
+ return PRF_HMAC_SHA2_384;
+ case OID_HMAC_SHA512:
+ return PRF_HMAC_SHA2_512;
+ case OID_HMAC_SHA224:
+ case OID_HMAC_SHA512_224:
+ case OID_HMAC_SHA512_256:
+ default:
+ return PRF_UNDEFINED;
+ }
+}