diff options
Diffstat (limited to 'apt-pkg/contrib/sha2.h')
| -rw-r--r-- | apt-pkg/contrib/sha2.h | 304 |
1 files changed, 109 insertions, 195 deletions
diff --git a/apt-pkg/contrib/sha2.h b/apt-pkg/contrib/sha2.h index bf759ad45..5148b05c3 100644 --- a/apt-pkg/contrib/sha2.h +++ b/apt-pkg/contrib/sha2.h @@ -1,197 +1,111 @@ -/* - * FILE: sha2.h - * AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/ - * - * Copyright (c) 2000-2001, Aaron D. Gifford - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the copyright holder nor the names of contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $Id: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $ - */ - -#ifndef __SHA2_H__ -#define __SHA2_H__ - -#ifdef __cplusplus -extern "C" { -#endif - - -/* - * Import u_intXX_t size_t type definitions from system headers. You - * may need to change this, or define these things yourself in this - * file. - */ -#include <sys/types.h> - -#ifdef SHA2_USE_INTTYPES_H - -#include <inttypes.h> +// -*- mode: cpp; mode: fold -*- +// Description /*{{{*/ +// $Id: sha512.h,v 1.3 2001/05/07 05:05:47 jgg Exp $ +/* ###################################################################### + + SHA{512,256}SumValue - Storage for a SHA-{512,256} hash. + SHA{512,256}Summation - SHA-{512,256} Secure Hash Algorithm. + + This is a C++ interface to a set of SHA{512,256}Sum functions, that mirrors + the equivalent MD5 & SHA1 classes. + + ##################################################################### */ + /*}}}*/ +#ifndef APTPKG_SHA2_H +#define APTPKG_SHA2_H + +#include <string> +#include <cstring> +#include <algorithm> +#include <stdint.h> + +#include "sha2_internal.h" + +using std::string; +using std::min; + +// SHA512 +class SHA512Summation; + +class SHA512SumValue +{ + friend class SHA512Summation; + unsigned char Sum[64]; + + public: + + // Accessors + bool operator ==(const SHA512SumValue &rhs) const; + string Value() const; + inline void Value(unsigned char S[64]) + {for (int I = 0; I != sizeof(Sum); I++) S[I] = Sum[I];}; + inline operator string() const {return Value();}; + bool Set(string Str); + inline void Set(unsigned char S[64]) + {for (int I = 0; I != sizeof(Sum); I++) Sum[I] = S[I];}; + + SHA512SumValue(string Str); + SHA512SumValue(); +}; + +class SHA512Summation +{ + SHA512_CTX ctx; + unsigned char Sum[64]; + bool Done; + + public: + + bool Add(const unsigned char *inbuf,unsigned long inlen); + inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));}; + bool AddFD(int Fd,unsigned long Size); + inline bool Add(const unsigned char *Beg,const unsigned char *End) + {return Add(Beg,End-Beg);}; + SHA512SumValue Result(); + + SHA512Summation(); +}; + +// SHA256 +class SHA256Summation; + +class SHA256SumValue +{ + friend class SHA256Summation; + unsigned char Sum[32]; + + public: + + // Accessors + bool operator ==(const SHA256SumValue &rhs) const; + string Value() const; + inline void Value(unsigned char S[32]) + {for (int I = 0; I != sizeof(Sum); I++) S[I] = Sum[I];}; + inline operator string() const {return Value();}; + bool Set(string Str); + inline void Set(unsigned char S[32]) + {for (int I = 0; I != sizeof(Sum); I++) Sum[I] = S[I];}; + + SHA256SumValue(string Str); + SHA256SumValue(); +}; + +class SHA256Summation +{ + SHA256_CTX ctx; + unsigned char Sum[32]; + bool Done; + + public: + + bool Add(const unsigned char *inbuf,unsigned long inlen); + inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));}; + bool AddFD(int Fd,unsigned long Size); + inline bool Add(const unsigned char *Beg,const unsigned char *End) + {return Add(Beg,End-Beg);}; + SHA256SumValue Result(); + + SHA256Summation(); +}; -#endif /* SHA2_USE_INTTYPES_H */ - - -/*** SHA-256/384/512 Various Length Definitions ***********************/ -#define SHA256_BLOCK_LENGTH 64 -#define SHA256_DIGEST_LENGTH 32 -#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) -#define SHA384_BLOCK_LENGTH 128 -#define SHA384_DIGEST_LENGTH 48 -#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) -#define SHA512_BLOCK_LENGTH 128 -#define SHA512_DIGEST_LENGTH 64 -#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) - - -/*** SHA-256/384/512 Context Structures *******************************/ -/* NOTE: If your architecture does not define either u_intXX_t types or - * uintXX_t (from inttypes.h), you may need to define things by hand - * for your system: - */ -#if 0 -typedef unsigned char u_int8_t; /* 1-byte (8-bits) */ -typedef unsigned int u_int32_t; /* 4-bytes (32-bits) */ -typedef unsigned long long u_int64_t; /* 8-bytes (64-bits) */ #endif -/* - * Most BSD systems already define u_intXX_t types, as does Linux. - * Some systems, however, like Compaq's Tru64 Unix instead can use - * uintXX_t types defined by very recent ANSI C standards and included - * in the file: - * - * #include <inttypes.h> - * - * If you choose to use <inttypes.h> then please define: - * - * #define SHA2_USE_INTTYPES_H - * - * Or on the command line during compile: - * - * cc -DSHA2_USE_INTTYPES_H ... - */ -#ifdef SHA2_USE_INTTYPES_H - -typedef struct _SHA256_CTX { - uint32_t state[8]; - uint64_t bitcount; - uint8_t buffer[SHA256_BLOCK_LENGTH]; -} SHA256_CTX; -typedef struct _SHA512_CTX { - uint64_t state[8]; - uint64_t bitcount[2]; - uint8_t buffer[SHA512_BLOCK_LENGTH]; -} SHA512_CTX; - -#else /* SHA2_USE_INTTYPES_H */ - -typedef struct _SHA256_CTX { - u_int32_t state[8]; - u_int64_t bitcount; - u_int8_t buffer[SHA256_BLOCK_LENGTH]; -} SHA256_CTX; -typedef struct _SHA512_CTX { - u_int64_t state[8]; - u_int64_t bitcount[2]; - u_int8_t buffer[SHA512_BLOCK_LENGTH]; -} SHA512_CTX; - -#endif /* SHA2_USE_INTTYPES_H */ - -typedef SHA512_CTX SHA384_CTX; - - -/*** SHA-256/384/512 Function Prototypes ******************************/ -#ifndef NOPROTO -#ifdef SHA2_USE_INTTYPES_H - -void SHA256_Init(SHA256_CTX *); -void SHA256_Update(SHA256_CTX*, const uint8_t*, size_t); -void SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*); -char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]); -char* SHA256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]); - -void SHA384_Init(SHA384_CTX*); -void SHA384_Update(SHA384_CTX*, const uint8_t*, size_t); -void SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*); -char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]); -char* SHA384_Data(const uint8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]); - -void SHA512_Init(SHA512_CTX*); -void SHA512_Update(SHA512_CTX*, const uint8_t*, size_t); -void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*); -char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]); -char* SHA512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]); - -#else /* SHA2_USE_INTTYPES_H */ - -void SHA256_Init(SHA256_CTX *); -void SHA256_Update(SHA256_CTX*, const u_int8_t*, size_t); -void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*); -char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]); -char* SHA256_Data(const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]); - -void SHA384_Init(SHA384_CTX*); -void SHA384_Update(SHA384_CTX*, const u_int8_t*, size_t); -void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*); -char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]); -char* SHA384_Data(const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]); - -void SHA512_Init(SHA512_CTX*); -void SHA512_Update(SHA512_CTX*, const u_int8_t*, size_t); -void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*); -char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]); -char* SHA512_Data(const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]); - -#endif /* SHA2_USE_INTTYPES_H */ - -#else /* NOPROTO */ - -void SHA256_Init(); -void SHA256_Update(); -void SHA256_Final(); -char* SHA256_End(); -char* SHA256_Data(); - -void SHA384_Init(); -void SHA384_Update(); -void SHA384_Final(); -char* SHA384_End(); -char* SHA384_Data(); - -void SHA512_Init(); -void SHA512_Update(); -void SHA512_Final(); -char* SHA512_End(); -char* SHA512_Data(); - -#endif /* NOPROTO */ - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* __SHA2_H__ */ - |