IOS RSA加密 分段解密

// // GTMDefines.h // // Copyright 2008 Google Inc. // // Licensed under the Apache License, Version 2.0 (the "License"); you may not // use this file except in compliance with the License. You may obtain a copy // of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the // License for the specific language governing permissions and limitations under // the License. // // ============================================================================ // ---------------------------------------------------------------------------- // CPP symbols that can be overridden in a prefix to control how the toolbox // is compiled. // ---------------------------------------------------------------------------- // GTMHTTPFetcher will support logging by default but only hook its input // stream support for logging when requested. You can control the inclusion of // the code by providing your own definitions for these w/in a prefix header. // #ifndef GTM_HTTPFETCHER_ENABLE_LOGGING # define GTM_HTTPFETCHER_ENABLE_LOGGING 1 #endif // GTM_HTTPFETCHER_ENABLE_LOGGING #ifndef GTM_HTTPFETCHER_ENABLE_INPUTSTREAM_LOGGING # define GTM_HTTPFETCHER_ENABLE_INPUTSTREAM_LOGGING 0 #endif // GTM_HTTPFETCHER_ENABLE_INPUTSTREAM_LOGGING // _GTMDevLog & _GTMDevAssert // // _GTMDevLog & _GTMDevAssert are meant to be a very lightweight shell for // developer level errors. This implementation simply macros to NSLog/NSAssert. // It is not intended to be a general logging/reporting system. // // Please see http://code.google.com/p/google-toolbox-for-mac/wiki/DevLogNAssert // for a little more background on the usage of these macros. // // _GTMDevLog log some error/problem in debug builds // _GTMDevAssert assert if conditon isn't met w/in a method/function // in all builds. // // To replace this system, just provide different macro definitions in your // prefix header. Remember, any implementation you provide *must* be thread // safe since this could be called by anything in what ever situtation it has // been placed in. // // We only define the simple macros if nothing else has defined this. #ifndef _GTMDevLog #ifdef DEBUG #define _GTMDevLog(...) NSLog(__VA_ARGS__) #else #define _GTMDevLog(...) do { } while (0) #endif #endif // _GTMDevLog // Declared here so that it can easily be used for logging tracking if // necessary. See GTMUnitTestDevLog.h for details. @class NSString; extern void _GTMUnittestDevLog(NSString *format, ...); #ifndef _GTMDevAssert // we directly invoke the NSAssert handler so we can pass on the varargs // (NSAssert doesn't have a macro we can use that takes varargs) #if !defined(NS_BLOCK_ASSERTIONS) #define _GTMDevAssert(condition, ...) \ do { \ if (!(condition)) { \ [[NSAssertionHandler currentHandler] \ handleFailureInFunction:[NSString stringWithUTF8String:__PRETTY_FUNCTION__] \ file:[NSString stringWithUTF8String:__FILE__] \ lineNumber:__LINE__ \ description:__VA_ARGS__]; \ } \ } while(0) #else // !defined(NS_BLOCK_ASSERTIONS) #define _GTMDevAssert(condition, ...) do { } while (0) #endif // !defined(NS_BLOCK_ASSERTIONS) #endif // _GTMDevAssert // _GTMCompileAssert // _GTMCompileAssert is an assert that is meant to fire at compile time if you // want to check things at compile instead of runtime. For example if you // want to check that a wchar is 4 bytes instead of 2 you would use // _GTMCompileAssert(sizeof(wchar_t) == 4, wchar_t_is_4_bytes_on_OS_X) // Note that the second "arg" is not in quotes, and must be a valid processor // symbol in it's own right (no spaces, punctuation etc). // Wrapping this in an #ifndef allows external groups to define their own // compile time assert scheme. #ifndef _GTMCompileAssert // We got this technique from here: // http://unixjunkie.blogspot.com/2007/10/better-compile-time-asserts_29.html #define _GTMCompileAssertSymbolInner(line, msg) _GTMCOMPILEASSERT ## line ## __ ## msg #define _GTMCompileAssertSymbol(line, msg) _GTMCompileAssertSymbolInner(line, msg) #define _GTMCompileAssert(test, msg) \ typedef char _GTMCompileAssertSymbol(__LINE__, msg) [ ((test) ? 1 : -1) ] #endif // _GTMCompileAssert // ============================================================================ // ---------------------------------------------------------------------------- // CPP symbols defined based on the project settings so the GTM code has // simple things to test against w/o scattering the knowledge of project // setting through all the code. // ---------------------------------------------------------------------------- // Provide a single constant CPP symbol that all of GTM uses for ifdefing // iPhone code. #include <TargetConditionals.h> #if TARGET_OS_IPHONE // iPhone SDK // For iPhone specific stuff #define GTM_IPHONE_SDK 1 #else // For MacOS specific stuff #define GTM_MACOS_SDK 1 #endif // To simplify support for 64bit (and Leopard in general), we provide the type // defines for non Leopard SDKs #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4 // NSInteger/NSUInteger and Max/Mins #ifndef NSINTEGER_DEFINED #if __LP64__ || NS_BUILD_32_LIKE_64 typedef long NSInteger; typedef unsigned long NSUInteger; #else typedef int NSInteger; typedef unsigned int NSUInteger; #endif #define NSIntegerMax LONG_MAX #define NSIntegerMin LONG_MIN #define NSUIntegerMax ULONG_MAX #define NSINTEGER_DEFINED 1 #endif // NSINTEGER_DEFINED // CGFloat #ifndef CGFLOAT_DEFINED #if defined(__LP64__) && __LP64__ // This really is an untested path (64bit on Tiger?) typedef double CGFloat; #define CGFLOAT_MIN DBL_MIN #define CGFLOAT_MAX DBL_MAX #define CGFLOAT_IS_DOUBLE 1 #else /* !defined(__LP64__) || !__LP64__ */ typedef float CGFloat; #define CGFLOAT_MIN FLT_MIN #define CGFLOAT_MAX FLT_MAX #define CGFLOAT_IS_DOUBLE 0 #endif /* !defined(__LP64__) || !__LP64__ */ #define CGFLOAT_DEFINED 1 #endif // CGFLOAT_DEFINED #endif // MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4