diff options
Diffstat (limited to 'src/pluto/crypto.c')
| -rw-r--r-- | src/pluto/crypto.c | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/src/pluto/crypto.c b/src/pluto/crypto.c index 1819e50f2..0684de618 100644 --- a/src/pluto/crypto.c +++ b/src/pluto/crypto.c @@ -1,6 +1,10 @@ /* crypto interfaces + * + * Copyright (C) 2010 Tobias Brunner + * Copyright (C) 2007-2009 Andreas Steffen + * Hochschule fuer Technik Rapperswil + * * Copyright (C) 1998-2001 D. Hugh Redelmeier - * Copyright (C) 2007-2009 Andreas Steffen - 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 @@ -518,7 +522,7 @@ signature_scheme_t oakley_to_signature_scheme(int method) } /** - * Table to map IKEv2 encryption algorithms to IKEv1 (or IKEv1 ESP) + * Table to map IKEv2 encryption algorithms to IKEv1 (or IKEv1 ESP) and back */ struct { encryption_algorithm_t alg; @@ -578,9 +582,24 @@ int esp_from_encryption_algorithm(encryption_algorithm_t alg) return 0; } +/** + * Converts IKEv1 ESP encryption to IKEv2 algorithm + */ +encryption_algorithm_t encryption_algorithm_from_esp(int esp) +{ + int i; + for (i = 0; i < countof(encr_map); i++) + { + if (encr_map[i].esp == esp) + { + return encr_map[i].alg; + } + } + return 0; +} /** - * Table to map IKEv2 integrity algorithms to IKEv1 (or IKEv1 ESP) + * Table to map IKEv2 integrity algorithms to IKEv1 (or IKEv1 ESP) and back */ struct { integrity_algorithm_t alg; @@ -632,3 +651,19 @@ int esp_from_integrity_algorithm(integrity_algorithm_t alg) return 0; } +/** + * Converts IKEv1 ESP authentication to IKEv2 integrity algorithm + */ +integrity_algorithm_t integrity_algorithm_from_esp(int esp) +{ + int i; + for (i = 0; i < countof(auth_map); i++) + { + if (auth_map[i].esp == esp) + { + return auth_map[i].alg; + } + } + return 0; +} + |