diff options
Diffstat (limited to '3rd_party/libsrp6a-sha512/srp_aux.h')
| -rw-r--r-- | 3rd_party/libsrp6a-sha512/srp_aux.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/3rd_party/libsrp6a-sha512/srp_aux.h b/3rd_party/libsrp6a-sha512/srp_aux.h new file mode 100644 index 0000000..5088f08 --- /dev/null +++ b/3rd_party/libsrp6a-sha512/srp_aux.h @@ -0,0 +1,146 @@ +/* + * Copyright (c) 1997-2007 The Stanford SRP Authentication Project + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, + * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY + * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + * + * IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INCIDENTAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT ADVISED OF + * THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Redistributions in source or binary form must retain an intact copy + * of this copyright notice. + */ + +#ifndef SRP_AUX_H +#define SRP_AUX_H + +#include "cstr.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* BigInteger abstraction API */ + +#ifndef MATH_PRIV +typedef void * BigInteger; +typedef void * BigIntegerCtx; +typedef void * BigIntegerModAccel; +#endif + +/* + * Some functions return a BigIntegerResult. + * Use BigIntegerOK to test for success. + */ +#define BIG_INTEGER_SUCCESS 0 +#define BIG_INTEGER_ERROR -1 +#define BigIntegerOK(v) ((v) == BIG_INTEGER_SUCCESS) +typedef int BigIntegerResult; + +_TYPE( BigInteger ) BigIntegerFromInt P((unsigned int number)); +_TYPE( BigInteger ) BigIntegerFromBytes P((const unsigned char * bytes, + int length)); +#define BigIntegerByteLen(X) ((BigIntegerBitLen(X)+7)/8) +_TYPE( int ) BigIntegerToBytes P((BigInteger src, + unsigned char * dest, int destlen)); +_TYPE( BigIntegerResult ) BigIntegerToCstr P((BigInteger src, cstr * dest)); +_TYPE( BigIntegerResult ) BigIntegerToCstrEx P((BigInteger src, cstr * dest, int len)); +_TYPE( BigIntegerResult ) BigIntegerToHex P((BigInteger src, + char * dest, int destlen)); +_TYPE( BigIntegerResult ) BigIntegerToString P((BigInteger src, + char * dest, int destlen, + unsigned int radix)); +_TYPE( int ) BigIntegerBitLen P((BigInteger b)); +_TYPE( int ) BigIntegerCmp P((BigInteger c1, BigInteger c2)); +_TYPE( int ) BigIntegerCmpInt P((BigInteger c1, unsigned int c2)); +_TYPE( BigIntegerResult ) BigIntegerLShift P((BigInteger result, BigInteger x, + unsigned int bits)); +_TYPE( BigIntegerResult ) BigIntegerAdd P((BigInteger result, + BigInteger a1, BigInteger a2)); +_TYPE( BigIntegerResult ) BigIntegerAddInt P((BigInteger result, + BigInteger a1, unsigned int a2)); +_TYPE( BigIntegerResult ) BigIntegerSub P((BigInteger result, + BigInteger s1, BigInteger s2)); +_TYPE( BigIntegerResult ) BigIntegerSubInt P((BigInteger result, + BigInteger s1, unsigned int s2)); +/* For BigIntegerMul{,Int}: result != m1, m2 */ +_TYPE( BigIntegerResult ) BigIntegerMul P((BigInteger result, BigInteger m1, + BigInteger m2, BigIntegerCtx ctx)); +_TYPE( BigIntegerResult ) BigIntegerMulInt P((BigInteger result, + BigInteger m1, unsigned int m2, + BigIntegerCtx ctx)); +_TYPE( BigIntegerResult ) BigIntegerDivInt P((BigInteger result, + BigInteger d, unsigned int m, + BigIntegerCtx ctx)); +_TYPE( BigIntegerResult ) BigIntegerMod P((BigInteger result, BigInteger d, + BigInteger m, BigIntegerCtx ctx)); +_TYPE( unsigned int ) BigIntegerModInt P((BigInteger d, unsigned int m, + BigIntegerCtx ctx)); +_TYPE( BigIntegerResult ) BigIntegerModMul P((BigInteger result, + BigInteger m1, BigInteger m2, + BigInteger m, BigIntegerCtx ctx)); +_TYPE( BigIntegerResult ) BigIntegerModExp P((BigInteger result, + BigInteger base, BigInteger expt, + BigInteger modulus, + BigIntegerCtx ctx, + BigIntegerModAccel accel)); +_TYPE( int ) BigIntegerCheckPrime P((BigInteger n, BigIntegerCtx ctx)); + +_TYPE( BigIntegerResult ) BigIntegerFree P((BigInteger b)); +_TYPE( BigIntegerResult ) BigIntegerClearFree P((BigInteger b)); + +_TYPE( BigIntegerCtx ) BigIntegerCtxNew(); +_TYPE( BigIntegerResult ) BigIntegerCtxFree P((BigIntegerCtx ctx)); + +_TYPE( BigIntegerModAccel ) BigIntegerModAccelNew P((BigInteger m, + BigIntegerCtx ctx)); +_TYPE( BigIntegerResult ) BigIntegerModAccelFree P((BigIntegerModAccel accel)); + +_TYPE( BigIntegerResult ) BigIntegerInitialize(); +_TYPE( BigIntegerResult ) BigIntegerFinalize(); + +_TYPE( BigIntegerResult ) BigIntegerUseEngine P((const char * engine)); +_TYPE( BigIntegerResult ) BigIntegerReleaseEngine(); + +/* Miscellaneous functions - formerly in t_pwd.h */ + +/* + * "t_random" is a cryptographic random number generator, which is seeded + * from various high-entropy sources and uses a one-way hash function + * in a feedback configuration. + * "t_sessionkey" is the interleaved hash used to generate session keys + * from a large integer. + * "t_mgf1" is an implementation of MGF1 using SHA1 to generate session + * keys from large integers, and is preferred over the older + * interleaved hash, and is used with SRP6. + * "t_getpass" reads a password from the terminal without echoing. + */ +_TYPE( void ) t_random P((unsigned char *, unsigned)); +_TYPE( void ) t_stronginitrand(); +_TYPE( unsigned char * ) + t_sessionkey P((unsigned char *, unsigned char *, unsigned)); +_TYPE( void ) t_mgf1 P((unsigned char *, unsigned, + const unsigned char *, unsigned)); +_TYPE( int ) t_getpass P((char *, unsigned, const char *)); + +#ifdef __cplusplus +} +#endif + +#endif /* SRP_AUX_H */ |