summaryrefslogtreecommitdiff
path: root/usr/src/lib/libresolv2/common/cylink/ctk_prime.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr/src/lib/libresolv2/common/cylink/ctk_prime.c')
-rw-r--r--usr/src/lib/libresolv2/common/cylink/ctk_prime.c442
1 files changed, 442 insertions, 0 deletions
diff --git a/usr/src/lib/libresolv2/common/cylink/ctk_prime.c b/usr/src/lib/libresolv2/common/cylink/ctk_prime.c
new file mode 100644
index 0000000000..45b576eb3f
--- /dev/null
+++ b/usr/src/lib/libresolv2/common/cylink/ctk_prime.c
@@ -0,0 +1,442 @@
+/*
+ * Copyright (c) 1999 by Sun Microsystems, Inc.
+ * All rights reserved.
+ */
+
+/*
+ * Cylink Corporation © 1998
+ *
+ * This software is licensed by Cylink to the Internet Software Consortium to
+ * promote implementation of royalty free public key cryptography within IETF
+ * standards. Cylink wishes to expressly thank the contributions of Dr.
+ * Martin Hellman, Whitfield Diffie, Ralph Merkle and Stanford University for
+ * their contributions to Internet Security. In accordance with the terms of
+ * this license, ISC is authorized to distribute and sublicense this software
+ * for the practice of IETF standards.
+ *
+ * The software includes BigNum, written by Colin Plumb and licensed by Philip
+ * R. Zimmermann for royalty free use and distribution with Cylink's
+ * software. Use of BigNum as a stand alone product or component is
+ * specifically prohibited.
+ *
+ * Disclaimer of All Warranties. THIS SOFTWARE IS BEING PROVIDED "AS IS",
+ * WITHOUT ANY EXPRESSED OR IMPLIED WARRANTY OF ANY KIND WHATSOEVER. IN
+ * PARTICULAR, WITHOUT LIMITATION ON THE GENERALITY OF THE FOREGOING, CYLINK
+ * MAKES NO REPRESENTATION OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
+ * PURPOSE.
+ *
+ * Cylink or its representatives shall not be liable for tort, indirect,
+ * special or consequential damages such as loss of profits or loss of
+ * goodwill from the use or inability to use the software for any purpose or
+ * for any reason whatsoever.
+ *
+ * EXPORT LAW: Export of the Foundations Suite may be subject to compliance
+ * with the rules and regulations promulgated from time to time by the Bureau
+ * of Export Administration, United States Department of Commerce, which
+ * restrict the export and re-export of certain products and technical data.
+ * If the export of the Foundations Suite is controlled under such rules and
+ * regulations, then the Foundations Suite shall not be exported or
+ * re-exported, directly or indirectly, (a) without all export or re-export
+ * licenses and governmental approvals required by any applicable laws, or (b)
+ * in violation of any applicable prohibition against the export or re-export
+ * of any part of the Foundations Suite. All export licenses for software
+ * containing the Foundations Suite are the sole responsibility of the licensee.
+ */
+
+/****************************************************************************
+* FILENAME: prime.c PRODUCT NAME: CRYPTOGRAPHIC TOOLKIT
+*
+* FILE STATUS:
+*
+* DESCRIPTION: Cryptographic Toolkit Internal Functions File
+* Prime Number functions
+* PRIVATE FUNCTIONS:
+*
+* int VerPrime( u_int16_t P_bytes, ord *P,
+* u_int16_t k, ord *RVAL,
+* YIELD_context *yield_cont )
+* int GenPrime( u_int16_t P_bytes, ord *P,
+* u_int16_t k, ord *RVAL,
+* YIELD_context *yield_cont )
+* Copyright (c) Cylink Corporation 1996. All rights reserved.
+*
+* REVISION HISTORY:
+*
+*
+****************************************************************************/
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+/****************************************************************************
+* INCLUDE FILES
+****************************************************************************/
+
+#include "port_before.h"
+#include <sys/types.h>
+#include "cylink.h"
+#include "ctk_endian.h"
+
+/* system files */
+#ifdef VXD
+#include <vtoolsc.h>
+#else
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#endif
+
+/* program files */
+#include "cylink.h"
+#include "ctk_endian.h"
+#include "toolkit.h"
+#include "cencrint.h"
+#include "port_after.h"
+
+/****************************************************************************
+* PRIVATE FUNCTIONS DEFINITIONS
+****************************************************************************/
+/****************************************************************************
+* NAME: int VerPrime( u_int16_t P_bytes,
+* ord *P,
+* u_int16_t k,
+* ord *RVAL,
+* YIELD_context *yield_cont )
+*
+* DESCRIPTION: Verify Pseudo Prime number
+*
+* INPUTS:
+* PARAMETERS:
+* u_int16_t P_bytes Number of bytes in array
+* u_int16_t k Number of testing
+* ord *RVAL Pointer to random number generator value
+* YIELD_context *yield_cont Pointer to yield_cont structure (NULL if not used)
+* OUTPUT:
+* PARAMETERS:
+* ord *P Pointer to prime number
+* ord *RVAL Pointer to updated value
+*
+* RETURN:
+* SUCCESS No errors
+* ERR_INPUT_LEN Invalid length for input data(zero bytes)
+* ERR_PRIME Number is not prime
+* REVISION HISTORY:
+*
+* 24 Sep 94 KPZ Initial release
+* 14 Oct 94 GKL Second version (big endian support)
+* 08 Dec 94 GKL Added YIELD_context
+*
+****************************************************************************/
+
+ int VerPrime( u_int16_t P_bytes,
+ ord *P,
+ u_int16_t k,
+ ord *RVAL,
+ YIELD_context *yield_cont ) /*TKL00601*/
+
+{
+ int status = SUCCESS; /*function return status*/
+ ord *b, *n, *c, *pp; /*pointers to working buffers */
+ ord *m, *buf, *P_buf;
+ u_int16_t max_bytes; /*number of maximum bytes*/
+ u_int16_t P_longs; /*number of longs in Y*/
+ u_int16_t i, j, s, k_b; /*counters*/
+ u_int16_t exit ; /*flag for exit*/
+/* product of prime numbers from 3 to 379 (512-bit number) */
+#ifdef ORD_32
+ ord b1[DSS_LENGTH_MIN/sizeof(ord)]={
+ 0x2e30c48fL, 0x0decece9L, 0xbada8f98L, 0x9f7ecb29L,
+ 0xa4a11de4L, 0x6ef04659L, 0xcbc38405L, 0x233db117L,
+ 0x03e81187L, 0xc1b631a2L, 0x238bfb99L, 0x077ec3baL,
+ 0xc5d5f09fL, 0xb0813c28L, 0x7646fa6eL, 0x106aa9fbL };
+#else
+ ord b1[DSS_LENGTH_MIN/sizeof(ord)]={
+ 0xc48f, 0x2e30, 0xece9, 0x0dec, 0x8f98, 0xbada, 0xcb29, 0x9f7e,
+ 0x1de4, 0xa4a1, 0x4659, 0x6ef0, 0x8405, 0xcbc3, 0xb117, 0x233d,
+ 0x1187, 0x03e8, 0x31a2, 0xc1b6, 0xfb99, 0x238b, 0xc3ba, 0x077e,
+ 0xf09f, 0xc5d5, 0x3c28, 0xb081, 0xfa6e, 0x7646, 0xa9fb, 0x106a };
+#endif
+ if ( P_bytes % sizeof(ord) != 0 ) /* not multiple 4 (32 bit) */
+ {
+ status = ERR_INPUT_LEN; /* invalid length for input data */
+ return status;
+ }
+ if ( P_bytes <= DSS_LENGTH_MIN )
+ {
+ max_bytes = DSS_LENGTH_MIN;
+ }
+ else
+ {
+ max_bytes = P_bytes;
+ }
+ buf = (ord *)calloc( max_bytes / sizeof(ord), sizeof(ord) );
+ P_buf = (ord *)calloc( max_bytes / sizeof(ord), sizeof(ord));
+ if( !buf || !P_buf )
+ {
+ if ( buf )
+ free( buf );
+ if( P_buf )
+ free( P_buf );
+ return ERR_ALLOC;
+ }
+ memcpy( buf, b1, DSS_LENGTH_MIN );
+ memcpy( P_buf, P, P_bytes );
+
+ if ( (P_buf[0] & 0x1) == 0 )
+ {
+#ifdef DEBUG1
+ printf ("\n P is not pseudoprime");
+#endif
+ status = ERR_PRIME;
+ free ( buf );
+ free( P_buf );
+ return status;
+ }
+ P_longs = (u_int16_t) (P_bytes / sizeof(ord));
+ b = (ord *)calloc( P_longs, sizeof(ord) );
+ m = (ord *)malloc( P_longs * sizeof(ord) );
+ n = (ord *)calloc( P_longs, sizeof(ord) );
+ c = (ord *)calloc( P_longs, sizeof(ord) );
+ pp = (ord *)malloc( P_longs * sizeof(ord) );
+ if( !b || !m || !n || !c || !pp )
+ {
+ if( b )
+ free( b );
+ if( m )
+ free( m );
+ if( n )
+ free( n );
+ if( c )
+ free( c );
+ if( pp )
+ free ( pp );
+ }
+ memcpy( m, P, P_bytes );
+ memcpy( pp, P, P_bytes );
+ /* Compute great common divisor(gcd) */
+ if ( SteinGCD( P_buf, buf, (u_int16_t)(max_bytes / sizeof(ord)) ) == 0 )
+ {
+ pp[0] = pp[0] - 1; /* Initialized work buffer */
+ m[0] = m[0] - 1;
+ s = (u_int16_t) RShiftMostBit( m, (u_int16_t)(P_bytes / sizeof(ord)) ); /* Right shift by number of*/
+ exit = 0; /* zero bits at rigth */
+ k_b = 0;
+ while( k_b != k )
+ {
+ MyGenRand( 4, b, RVAL ); /* generate random number */
+ if ( SteinGCD( P_buf, b , (u_int16_t)(P_bytes / sizeof(ord)) ) ) /* check gcd */
+ {
+#ifdef DEBUG1
+ printf ("\n P is not pseudoprime");
+#endif
+ status = ERR_PRIME;
+ break;
+ }
+ k_b++; /* increment counter */
+ if ( ( status = Expo ( 4, b, P_bytes, m,
+ P_bytes, P, c ) ) != SUCCESS ) /* c=b^m mod(P) */ /*TKL00601*/
+ {
+ free( b );
+ free( m );
+ free( n );
+ free( c );
+ free( pp );
+ free (buf );
+ free( P_buf );
+ return status;
+ }
+ if ( c[0] == 1 ) /* if c==1 number is pseudo prime */
+ {
+ for ( i = 1; i < P_bytes / sizeof(ord); i++ )
+ {
+ if ( c[i] != 0 )
+ {
+ break;
+ }
+ }
+ if ( i == P_bytes / sizeof(ord) )
+ {
+ if (yield_cont) /*TKL00601*/
+#ifdef VXD
+ if ( VXD_Yield (yield_cont->yield_proc) )
+#else
+ if ( yield_cont->yield_proc(0xFFFF) )
+#endif
+
+ {
+ status = ERR_CANCEL;
+ free( b );
+ free( m );
+ free( n );
+ free( c );
+ free( pp );
+ free( P_buf );
+ free (buf );
+ return status;
+ }
+#ifdef DEBUG1
+ printf ("\n P is a pseudoprime %d",k_b);
+#endif
+ if ( k_b == k )
+ {
+ break;
+ }
+ }
+ }
+ else
+ {
+ for ( j = 1; j <= s; j++ )
+ {
+ for ( i = 0; i < P_bytes / sizeof(ord); i++ ) /* if c==pp number is pseudo prime */
+ {
+ if ( c[i] != pp[i] )
+ {
+ break;
+ }
+ }
+ if ( i == P_bytes / sizeof(ord) )
+ {
+ if (yield_cont) /*TKL00601*/
+#ifdef VXD
+ if ( VXD_Yield (yield_cont->yield_proc) )
+#else
+ if ( yield_cont->yield_proc(0xFFFF) )
+#endif
+
+ {
+ status = ERR_CANCEL;
+ free( b );
+ free( m );
+ free( n );
+ free( c );
+ free( pp );
+ free( P_buf );
+ free (buf );
+ return status;
+ }
+#ifdef DEBUG1
+ printf ("\n P is a pseudoprime %d",k_b);
+#endif
+ break;
+ }
+ if ( j == s )
+ {
+#ifdef DEBUG1
+ printf ("\n P is not pseudoprime");
+#endif
+ status = ERR_PRIME;
+ exit = 1;
+ break;
+ }
+ else
+ {
+ if ( (status = Square(P_bytes, c, /*P_bytes,
+ c,*/ P_bytes, P, c) )
+ != SUCCESS ) /* c=c^2mod(p) */
+ {
+ free( b );
+ free( m );
+ free( n );
+ free( c );
+ free( pp );
+ free( P_buf );
+ free (buf );
+ return status;
+ }
+ }
+ }
+ }
+ if ( exit == 1 ) /* Exit */
+ {
+ break;
+ }
+ }
+ }
+ else
+ {
+ if (yield_cont) /*TKL00601*/
+#ifdef VXD
+ if ( VXD_Yield (yield_cont->yield_proc) )
+#else
+ if ( yield_cont->yield_proc(0xFFFF) )
+#endif
+
+ {
+ status = ERR_CANCEL;
+ free( b );
+ free( m );
+ free( n );
+ free( c );
+ free( pp );
+ free( P_buf );
+ free (buf );
+ return status;
+ }
+#ifdef DEBUG1
+ printf ("\n P is not pseudoprime");
+#endif
+ status = ERR_PRIME;
+ }
+ free( b );
+ free( m );
+ free( n );
+ free( c );
+ free( pp );
+ free( P_buf );
+ free (buf );
+ return status;
+}
+
+/****************************************************************************
+* NAME: int GenPrime( u_int16_t P_bytes,
+* ord *P,
+* u_int16_t k,
+* ord *RVAL,
+* YIELD_context *yield_cont )
+*
+* DESCRIPTION: Generate Random Pseudo Prime number
+*
+* INPUTS:
+* PARAMETERS:
+* u_int16_t P_bytes Number of bytes in array
+* u_int16_t k Number of testing
+* ord *RVAL Pointer to random number generator value
+* YIELD_context *yield_cont Pointer to yield_cont structure (NULL if not used)
+* OUTPUT:
+* PARAMETERS:
+* ord *P Pointer to prime number
+* ord *RVAL Pointer to updated value
+*
+* RETURN:
+* SUCCESS No errors
+* ERR_INPUT_LEN Invalid length for input data(zero bytes)
+* ERR_PRIME Number is not prime
+* REVISION HISTORY:
+*
+* 24 Sep 94 KPZ Initial release
+* 14 Oct 94 GKL Second version (big endian support)
+* 08 Dec 94 GKL Added YIELD_context
+*
+****************************************************************************/
+
+ int GenPrime( u_int16_t P_bytes,
+ ord *P,
+ u_int16_t k,
+ ord *RVAL,
+ YIELD_context *yield_cont ) /*TKL00601*/
+{
+ int status = SUCCESS; /* function return status */
+ if ( P_bytes % sizeof(ord) != 0 ) /* not multiple 4 (32 bit) */
+ {
+ status = ERR_INPUT_LEN; /* invalid length for input data */
+ return status;
+ }
+ do
+ {
+ MyGenRand( P_bytes, P, RVAL ); /* generate random number */
+ P[0] |= 1;
+ P[(P_bytes/sizeof(ord))-1] |= ((ord)1 << (BITS_COUNT-1));
+ status = VerPrime( P_bytes, P, k, RVAL, yield_cont); /*TKL00601*/
+ } while ((status != SUCCESS) && (status != ERR_CANCEL)); /*TKL00601*/
+ return status;
+}
+