diff options
author | lloyd <[email protected]> | 2008-10-01 15:55:40 +0000 |
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committer | lloyd <[email protected]> | 2008-10-01 15:55:40 +0000 |
commit | 514c4e35119eca7132ca9ab38cc0de2b701da492 (patch) | |
tree | 62d8a216e3e548aa04cc78b7d70010854a0dc29f /src/pbe/pbe_base | |
parent | 97b4b23a88c27bc154a3751e8e99cd75b7ea8e84 (diff) |
Move get_pbe from libstate to new pbe_base module (in pbe/)
Diffstat (limited to 'src/pbe/pbe_base')
-rw-r--r-- | src/pbe/pbe_base/get_pbe.cpp | 87 | ||||
-rw-r--r-- | src/pbe/pbe_base/get_pbe.h | 22 | ||||
-rw-r--r-- | src/pbe/pbe_base/info.txt | 15 |
3 files changed, 124 insertions, 0 deletions
diff --git a/src/pbe/pbe_base/get_pbe.cpp b/src/pbe/pbe_base/get_pbe.cpp new file mode 100644 index 000000000..cd1ed2aa4 --- /dev/null +++ b/src/pbe/pbe_base/get_pbe.cpp @@ -0,0 +1,87 @@ +/************************************************* +* PBE Retrieval Source File * +* (C) 1999-2007 Jack Lloyd * +*************************************************/ + +#include <botan/get_pbe.h> +#include <botan/oids.h> +#include <botan/parsing.h> + +#if defined(BOTAN_HAS_PBE_PKCS_V15) + #include <botan/pbes1.h> +#endif + +#if defined(BOTAN_HAS_PBE_PKCS_V20) + #include <botan/pbes2.h> +#endif + +namespace Botan { + +/************************************************* +* Get an encryption PBE, set new parameters * +*************************************************/ +PBE* get_pbe(const std::string& pbe_name) + { + std::vector<std::string> algo_name; + algo_name = parse_algorithm_name(pbe_name); + + if(algo_name.size() != 3) + throw Invalid_Algorithm_Name(pbe_name); + + const std::string pbe = algo_name[0]; + const std::string digest = algo_name[1]; + const std::string cipher = algo_name[2]; + + PBE* pbe_obj = 0; + +#if defined(BOTAN_HAS_PBE_PKCS_V15) + if(!pbe_obj && pbe == "PBE-PKCS5v15") + pbe_obj = new PBE_PKCS5v15(digest, cipher, ENCRYPTION); +#endif + +#if defined(BOTAN_HAS_PBE_PKCS_V20) + if(!pbe_obj && pbe == "PBE-PKCS5v20") + pbe_obj = new PBE_PKCS5v20(digest, cipher); +#endif + + if(!pbe_obj) + throw Algorithm_Not_Found(pbe_name); + + return pbe_obj; + } + +/************************************************* +* Get a decryption PBE, decode parameters * +*************************************************/ +PBE* get_pbe(const OID& pbe_oid, DataSource& params) + { + std::vector<std::string> algo_name; + algo_name = parse_algorithm_name(OIDS::lookup(pbe_oid)); + + if(algo_name.size() < 1) + throw Invalid_Algorithm_Name(pbe_oid.as_string()); + const std::string pbe_algo = algo_name[0]; + + if(pbe_algo == "PBE-PKCS5v15") + { +#if defined(BOTAN_HAS_PBE_PKCS_V15) + if(algo_name.size() != 3) + throw Invalid_Algorithm_Name(pbe_oid.as_string()); + const std::string digest = algo_name[1]; + const std::string cipher = algo_name[2]; + PBE* pbe = new PBE_PKCS5v15(digest, cipher, DECRYPTION); + pbe->decode_params(params); + return pbe; +#endif + } + else if(pbe_algo == "PBE-PKCS5v20") + { +#if defined(BOTAN_HAS_PBE_PKCS_V20) + return new PBE_PKCS5v20(params); +#endif + } + + throw Algorithm_Not_Found(pbe_oid.as_string()); + } + +} diff --git a/src/pbe/pbe_base/get_pbe.h b/src/pbe/pbe_base/get_pbe.h new file mode 100644 index 000000000..e7b434c1f --- /dev/null +++ b/src/pbe/pbe_base/get_pbe.h @@ -0,0 +1,22 @@ +/************************************************* +* PBE Lookup Header File * +* (C) 1999-2007 Jack Lloyd * +*************************************************/ + +#ifndef BOTAN_LOOKUP_PBE_H__ +#define BOTAN_LOOKUP_PBE_H__ + +#include <botan/pbe.h> +#include <string> + +namespace Botan { + +/************************************************* +* Get a PBE object * +*************************************************/ +BOTAN_DLL PBE* get_pbe(const std::string&); +BOTAN_DLL PBE* get_pbe(const OID&, DataSource&); + +} + +#endif diff --git a/src/pbe/pbe_base/info.txt b/src/pbe/pbe_base/info.txt new file mode 100644 index 000000000..59cdae61f --- /dev/null +++ b/src/pbe/pbe_base/info.txt @@ -0,0 +1,15 @@ +realname "PBE Base" + +load_on auto + +define PASSWORD_BASED_ENCRYPTION + +<requires> +filters +asn1 +</requires> + +<add> +get_pbe.cpp +get_pbe.h +</add> |