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ULib/include/ulib/utility/des3.h
stefanocasazza 7f4ea259ca fix
2018-03-30 14:12:27 +02:00

81 lines
2.1 KiB
C

// ============================================================================
//
// = LIBRARY
// ULib - c++ library
//
// = FILENAME
// des3.h
//
// = AUTHOR
// Stefano Casazza
//
// ============================================================================
#ifndef ULIB_DES3_H
#define ULIB_DES3_H 1
#include <ulib/base/ssl/des3.h>
#include <ulib/utility/base64.h>
struct U_EXPORT UDES3 {
static void setPassword(const char* passwd)
{
U_TRACE(0, "UDES3::setPassword(%S)", passwd)
u_des3_key(passwd);
}
static UString signData(const UString& data)
{
U_TRACE(0, "UDES3::signData(%V)", data.rep)
uint32_t sz;
UString buffer((sz = data.size())+32U);
encode((const unsigned char*)data.data(), sz, buffer);
UString signed_data((sz = buffer.size())*4);
UBase64::encodeUrl(buffer.data(), sz, signed_data);
U_RETURN_STRING(signed_data);
}
static UString signData(const char* fmt, uint32_t fmt_size, ...);
static UString getSignedData(const char* ptr, uint32_t len);
static UString getSignedData(const UString& s) { return getSignedData(U_STRING_TO_PARAM(s)); }
static void encode(const unsigned char* s, uint32_t n, UString& buffer)
{
U_TRACE(0, "UDES3::encode(%.*S,%u,%p)", n, s, n, &buffer)
U_ASSERT(buffer.uniq())
U_ASSERT(buffer.capacity() >= n)
buffer.rep->_length = u_des3_encode(s, n, (unsigned char*)buffer.data());
}
static void encode(const UString& s, UString& buffer) { encode((const unsigned char*)U_STRING_TO_PARAM(s), buffer); }
static void decode(const unsigned char* s, uint32_t n, UString& buffer)
{
U_TRACE(0, "UDES3::decode(%.*S,%u,%p)", n, s, n, &buffer)
U_ASSERT(buffer.uniq())
U_ASSERT(buffer.capacity() >= n)
buffer.rep->_length = u_des3_decode(s, n, (unsigned char*)buffer.data());
U_INTERNAL_ASSERT(buffer.invariant())
U_INTERNAL_DUMP("buffer(%u) = %#V", buffer.size(), buffer.rep)
}
static void decode(const UString& s, UString& buffer) { decode((const unsigned char*)U_STRING_TO_PARAM(s), buffer); }
};
#endif