diff options
Diffstat (limited to 'Swiften/StringCodecs/HMACSHA1.cpp')
-rw-r--r-- | Swiften/StringCodecs/HMACSHA1.cpp | 67 |
1 files changed, 41 insertions, 26 deletions
diff --git a/Swiften/StringCodecs/HMACSHA1.cpp b/Swiften/StringCodecs/HMACSHA1.cpp index 6ae5513..fd951ae 100644 --- a/Swiften/StringCodecs/HMACSHA1.cpp +++ b/Swiften/StringCodecs/HMACSHA1.cpp @@ -4,41 +4,56 @@ * See Documentation/Licenses/GPLv3.txt for more information. */ -#include "Swiften/StringCodecs/HMACSHA1.h" +#include <Swiften/StringCodecs/HMACSHA1.h> #include <cassert> -#include "Swiften/StringCodecs/SHA1.h" -#include "Swiften/Base/ByteArray.h" +#include <Swiften/StringCodecs/SHA1.h> +#include <Swiften/Base/Algorithm.h> -namespace Swift { +using namespace Swift; -static const unsigned int B = 64; +namespace { + static const unsigned int B = 64; -ByteArray HMACSHA1::getResult(const ByteArray& key, const ByteArray& data) { - assert(key.getSize() <= B); + template<typename SourceType> + ByteArray getHMACSHA1(const SourceType& key, const ByteArray& data) { + assert(key.size() <= B); - // Create the padded key - ByteArray paddedKey(key); - paddedKey.resize(B, 0x0); + // Create the padded key + SourceType paddedKey(key); + paddedKey.resize(B, 0x0); - // Create the first value - ByteArray x(paddedKey); - for (unsigned int i = 0; i < x.getSize(); ++i) { - x[i] ^= 0x36; - } - x += data; + // Create the first value + SourceType x(paddedKey); + for (unsigned int i = 0; i < x.size(); ++i) { + x[i] ^= 0x36; + } + append(x, data); - // Create the second value - ByteArray y(paddedKey); - for (unsigned int i = 0; i < y.getSize(); ++i) { - y[i] ^= 0x5c; + // Create the second value + SourceType y(paddedKey); + for (unsigned int i = 0; i < y.size(); ++i) { + y[i] ^= 0x5c; + } + append(y, SHA1::getHash(x)); + + return SHA1::getHash(y); } - y += SHA1::getHash(x); +} - return SHA1::getHash(y); +namespace Swift { + +ByteArray HMACSHA1::getResult(const SafeByteArray& key, const ByteArray& data) { + return getHMACSHA1(key, data); +} + +ByteArray HMACSHA1::getResult(const ByteArray& key, const ByteArray& data) { + return getHMACSHA1(key, data); } + + #if 0 // A tweaked version of HMACSHA1 that is more than twice as fast as the one above. @@ -53,19 +68,19 @@ ByteArray HMACSHA1::getResult(const ByteArray& key, const ByteArray& data) { void HMACSHA1::getResult(const ByteArray& key, const ByteArray& data, ByteArray& result) { // Create first value - size_t xSize = B + data.getSize(); + size_t xSize = B + data.size(); unsigned char* x = (unsigned char*) malloc(xSize * sizeof(unsigned char)); memset(x, 0, B); - memcpy(x, key.getData(), key.getSize()); + memcpy(x, key.getData(), key.size()); for (unsigned int i = 0; i < (B>>32); ++i) { x[i<<32] ^= 0x36363636; } - memcpy(x + B, data.getData(), data.getSize()); + memcpy(x + B, data.getData(), data.size()); // Create the second value unsigned char y[B + 20]; memset(y, 0, B); - memcpy(y, key.getData(), key.getSize()); + memcpy(y, key.getData(), key.size()); for (unsigned int i = 0; i < (B>>32); ++i) { y[i<<32] ^= 0x5c5c5c5c; } |