diff options
Diffstat (limited to 'src/libs/3rdparty/botan/src/lib/pubkey/pem/pem.cpp')
-rw-r--r-- | src/libs/3rdparty/botan/src/lib/pubkey/pem/pem.cpp | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/pubkey/pem/pem.cpp b/src/libs/3rdparty/botan/src/lib/pubkey/pem/pem.cpp deleted file mode 100644 index d2433860dd..0000000000 --- a/src/libs/3rdparty/botan/src/lib/pubkey/pem/pem.cpp +++ /dev/null @@ -1,169 +0,0 @@ -/* -* PEM Encoding/Decoding -* (C) 1999-2007 Jack Lloyd -* -* Botan is released under the Simplified BSD License (see license.txt) -*/ - -#include <botan/pem.h> -#include <botan/data_src.h> -#include <botan/base64.h> -#include <botan/exceptn.h> - -namespace Botan { - -namespace PEM_Code { - -namespace { - -std::string linewrap(size_t width, const std::string& in) - { - std::string out; - for(size_t i = 0; i != in.size(); ++i) - { - if(i > 0 && i % width == 0) - { - out.push_back('\n'); - } - out.push_back(in[i]); - } - if(out.size() > 0 && out[out.size()-1] != '\n') - { - out.push_back('\n'); - } - - return out; - } - -} - -/* -* PEM encode BER/DER-encoded objects -*/ -std::string encode(const uint8_t der[], size_t length, const std::string& label, size_t width) - { - const std::string PEM_HEADER = "-----BEGIN " + label + "-----\n"; - const std::string PEM_TRAILER = "-----END " + label + "-----\n"; - - return (PEM_HEADER + linewrap(width, base64_encode(der, length)) + PEM_TRAILER); - } - -/* -* Decode PEM down to raw BER/DER -*/ -secure_vector<uint8_t> decode_check_label(DataSource& source, - const std::string& label_want) - { - std::string label_got; - secure_vector<uint8_t> ber = decode(source, label_got); - if(label_got != label_want) - throw Decoding_Error("PEM: Label mismatch, wanted " + label_want + - ", got " + label_got); - return ber; - } - -/* -* Decode PEM down to raw BER/DER -*/ -secure_vector<uint8_t> decode(DataSource& source, std::string& label) - { - const size_t RANDOM_CHAR_LIMIT = 8; - - label.clear(); - - const std::string PEM_HEADER1 = "-----BEGIN "; - const std::string PEM_HEADER2 = "-----"; - size_t position = 0; - - while(position != PEM_HEADER1.length()) - { - uint8_t b; - if(!source.read_byte(b)) - throw Decoding_Error("PEM: No PEM header found"); - if(b == PEM_HEADER1[position]) - ++position; - else if(position >= RANDOM_CHAR_LIMIT) - throw Decoding_Error("PEM: Malformed PEM header"); - else - position = 0; - } - position = 0; - while(position != PEM_HEADER2.length()) - { - uint8_t b; - if(!source.read_byte(b)) - throw Decoding_Error("PEM: No PEM header found"); - if(b == PEM_HEADER2[position]) - ++position; - else if(position) - throw Decoding_Error("PEM: Malformed PEM header"); - - if(position == 0) - label += static_cast<char>(b); - } - - std::vector<char> b64; - - const std::string PEM_TRAILER = "-----END " + label + "-----"; - position = 0; - while(position != PEM_TRAILER.length()) - { - uint8_t b; - if(!source.read_byte(b)) - throw Decoding_Error("PEM: No PEM trailer found"); - if(b == PEM_TRAILER[position]) - ++position; - else if(position) - throw Decoding_Error("PEM: Malformed PEM trailer"); - - if(position == 0) - b64.push_back(b); - } - - return base64_decode(b64.data(), b64.size()); - } - -secure_vector<uint8_t> decode_check_label(const std::string& pem, - const std::string& label_want) - { - DataSource_Memory src(pem); - return decode_check_label(src, label_want); - } - -secure_vector<uint8_t> decode(const std::string& pem, std::string& label) - { - DataSource_Memory src(pem); - return decode(src, label); - } - -/* -* Search for a PEM signature -*/ -bool matches(DataSource& source, const std::string& extra, - size_t search_range) - { - const std::string PEM_HEADER = "-----BEGIN " + extra; - - secure_vector<uint8_t> search_buf(search_range); - size_t got = source.peek(search_buf.data(), search_buf.size(), 0); - - if(got < PEM_HEADER.length()) - return false; - - size_t index = 0; - - for(size_t j = 0; j != got; ++j) - { - if(search_buf[j] == PEM_HEADER[index]) - ++index; - else - index = 0; - if(index == PEM_HEADER.size()) - return true; - } - return false; - } - -} - -} |