diff options
Diffstat (limited to 'src/libs/3rdparty/botan/src/lib/modes/cipher_mode.cpp')
| -rw-r--r-- | src/libs/3rdparty/botan/src/lib/modes/cipher_mode.cpp | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/modes/cipher_mode.cpp b/src/libs/3rdparty/botan/src/lib/modes/cipher_mode.cpp deleted file mode 100644 index 710f16ba22..0000000000 --- a/src/libs/3rdparty/botan/src/lib/modes/cipher_mode.cpp +++ /dev/null @@ -1,205 +0,0 @@ -/* -* Cipher Modes -* (C) 2015 Jack Lloyd -* -* Botan is released under the Simplified BSD License (see license.txt) -*/ - -#include <botan/cipher_mode.h> -#include <botan/stream_mode.h> -#include <botan/scan_name.h> -#include <botan/parsing.h> -#include <sstream> - -#if defined(BOTAN_HAS_BLOCK_CIPHER) - #include <botan/block_cipher.h> -#endif - -#if defined(BOTAN_HAS_AEAD_MODES) - #include <botan/aead.h> -#endif - -#if defined(BOTAN_HAS_MODE_CBC) - #include <botan/cbc.h> -#endif - -#if defined(BOTAN_HAS_MODE_CFB) - #include <botan/cfb.h> -#endif - -#if defined(BOTAN_HAS_MODE_XTS) - #include <botan/xts.h> -#endif - -#if defined(BOTAN_HAS_OPENSSL) - #include <botan/internal/openssl.h> -#endif - -#if defined(BOTAN_HAS_COMMONCRYPTO) - #include <botan/internal/commoncrypto.h> -#endif - -namespace Botan { - -std::unique_ptr<Cipher_Mode> Cipher_Mode::create_or_throw(const std::string& algo, - Cipher_Dir direction, - const std::string& provider) - { - if(auto mode = Cipher_Mode::create(algo, direction, provider)) - return mode; - - throw Lookup_Error("Cipher mode", algo, provider); - } - -std::unique_ptr<Cipher_Mode> Cipher_Mode::create(const std::string& algo, - Cipher_Dir direction, - const std::string& provider) - { -#if defined(BOTAN_HAS_COMMONCRYPTO) - if(provider.empty() || provider == "commoncrypto") - { - std::unique_ptr<Cipher_Mode> commoncrypto_cipher(make_commoncrypto_cipher_mode(algo, direction)); - - if(commoncrypto_cipher) - return commoncrypto_cipher; - - if(!provider.empty()) - return std::unique_ptr<Cipher_Mode>(); - } -#endif - -#if defined(BOTAN_HAS_OPENSSL) - if(provider.empty() || provider == "openssl") - { - std::unique_ptr<Cipher_Mode> openssl_cipher(make_openssl_cipher_mode(algo, direction)); - - if(openssl_cipher) - return openssl_cipher; - - if(!provider.empty()) - return std::unique_ptr<Cipher_Mode>(); - } -#endif - -#if defined(BOTAN_HAS_STREAM_CIPHER) - if(auto sc = StreamCipher::create(algo)) - { - return std::unique_ptr<Cipher_Mode>(new Stream_Cipher_Mode(sc.release())); - } -#endif - -#if defined(BOTAN_HAS_AEAD_MODES) - if(auto aead = AEAD_Mode::create(algo, direction)) - { - return std::unique_ptr<Cipher_Mode>(aead.release()); - } -#endif - - if(algo.find('/') != std::string::npos) - { - const std::vector<std::string> algo_parts = split_on(algo, '/'); - const std::string cipher_name = algo_parts[0]; - const std::vector<std::string> mode_info = parse_algorithm_name(algo_parts[1]); - - if(mode_info.empty()) - return std::unique_ptr<Cipher_Mode>(); - - std::ostringstream alg_args; - - alg_args << '(' << cipher_name; - for(size_t i = 1; i < mode_info.size(); ++i) - alg_args << ',' << mode_info[i]; - for(size_t i = 2; i < algo_parts.size(); ++i) - alg_args << ',' << algo_parts[i]; - alg_args << ')'; - - const std::string mode_name = mode_info[0] + alg_args.str(); - return Cipher_Mode::create(mode_name, direction, provider); - } - -#if defined(BOTAN_HAS_BLOCK_CIPHER) - - SCAN_Name spec(algo); - - if(spec.arg_count() == 0) - { - return std::unique_ptr<Cipher_Mode>(); - } - - std::unique_ptr<BlockCipher> bc(BlockCipher::create(spec.arg(0), provider)); - - if(!bc) - { - return std::unique_ptr<Cipher_Mode>(); - } - -#if defined(BOTAN_HAS_MODE_CBC) - if(spec.algo_name() == "CBC") - { - const std::string padding = spec.arg(1, "PKCS7"); - - if(padding == "CTS") - { - if(direction == ENCRYPTION) - return std::unique_ptr<Cipher_Mode>(new CTS_Encryption(bc.release())); - else - return std::unique_ptr<Cipher_Mode>(new CTS_Decryption(bc.release())); - } - else - { - std::unique_ptr<BlockCipherModePaddingMethod> pad(get_bc_pad(padding)); - - if(pad) - { - if(direction == ENCRYPTION) - return std::unique_ptr<Cipher_Mode>(new CBC_Encryption(bc.release(), pad.release())); - else - return std::unique_ptr<Cipher_Mode>(new CBC_Decryption(bc.release(), pad.release())); - } - } - } -#endif - -#if defined(BOTAN_HAS_MODE_XTS) - if(spec.algo_name() == "XTS") - { - if(direction == ENCRYPTION) - return std::unique_ptr<Cipher_Mode>(new XTS_Encryption(bc.release())); - else - return std::unique_ptr<Cipher_Mode>(new XTS_Decryption(bc.release())); - } -#endif - -#if defined(BOTAN_HAS_MODE_CFB) - if(spec.algo_name() == "CFB") - { - const size_t feedback_bits = spec.arg_as_integer(1, 8*bc->block_size()); - if(direction == ENCRYPTION) - return std::unique_ptr<Cipher_Mode>(new CFB_Encryption(bc.release(), feedback_bits)); - else - return std::unique_ptr<Cipher_Mode>(new CFB_Decryption(bc.release(), feedback_bits)); - } -#endif - -#endif - - return std::unique_ptr<Cipher_Mode>(); - } - -//static -std::vector<std::string> Cipher_Mode::providers(const std::string& algo_spec) - { - const std::vector<std::string>& possible = { "base", "openssl", "commoncrypto" }; - std::vector<std::string> providers; - for(auto&& prov : possible) - { - std::unique_ptr<Cipher_Mode> mode = Cipher_Mode::create(algo_spec, ENCRYPTION, prov); - if(mode) - { - providers.push_back(prov); // available - } - } - return providers; - } - -} |