secureswitools/openssllib/import/inc/openssl/dh.h
changeset 0 ba25891c3a9e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/secureswitools/openssllib/import/inc/openssl/dh.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,208 @@
+/* crypto/dh/dh.h */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ * 
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ * 
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ * 
+ * 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 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from 
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ * 
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 CONTRIBUTORS 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.
+ * 
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#ifndef HEADER_DH_H
+#define HEADER_DH_H
+
+#ifdef OPENSSL_NO_DH
+#error DH is disabled.
+#endif
+
+#ifndef OPENSSL_NO_BIO
+#include <openssl/bio.h>
+#endif
+#include <openssl/bn.h>
+#include <openssl/crypto.h>
+#include <openssl/ossl_typ.h>
+	
+#define DH_FLAG_CACHE_MONT_P	0x01
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+typedef struct dh_st DH;
+
+typedef struct dh_method {
+	const char *name;
+	/* Methods here */
+	int (*generate_key)(DH *dh);
+	int (*compute_key)(unsigned char *key,const BIGNUM *pub_key,DH *dh);
+	int (*bn_mod_exp)(const DH *dh, BIGNUM *r, const BIGNUM *a,
+				const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+				BN_MONT_CTX *m_ctx); /* Can be null */
+
+	int (*init)(DH *dh);
+	int (*finish)(DH *dh);
+	int flags;
+	char *app_data;
+} DH_METHOD;
+
+struct dh_st
+	{
+	/* This first argument is used to pick up errors when
+	 * a DH is passed instead of a EVP_PKEY */
+	int pad;
+	int version;
+	BIGNUM *p;
+	BIGNUM *g;
+	long length; /* optional */
+	BIGNUM *pub_key;	/* g^x */
+	BIGNUM *priv_key;	/* x */
+
+	int flags;
+	char *method_mont_p;
+	/* Place holders if we want to do X9.42 DH */
+	BIGNUM *q;
+	BIGNUM *j;
+	unsigned char *seed;
+	int seedlen;
+	BIGNUM *counter;
+
+	int references;
+	CRYPTO_EX_DATA ex_data;
+	const DH_METHOD *meth;
+	ENGINE *engine;
+	};
+
+#define DH_GENERATOR_2		2
+/* #define DH_GENERATOR_3	3 */
+#define DH_GENERATOR_5		5
+
+/* DH_check error codes */
+#define DH_CHECK_P_NOT_PRIME		0x01
+#define DH_CHECK_P_NOT_SAFE_PRIME	0x02
+#define DH_UNABLE_TO_CHECK_GENERATOR	0x04
+#define DH_NOT_SUITABLE_GENERATOR	0x08
+
+/* primes p where (p-1)/2 is prime too are called "safe"; we define
+   this for backward compatibility: */
+#define DH_CHECK_P_NOT_STRONG_PRIME	DH_CHECK_P_NOT_SAFE_PRIME
+
+#define DHparams_dup(x) (DH *)ASN1_dup((int (*)())i2d_DHparams, \
+		(char *(*)())d2i_DHparams,(char *)(x))
+#define d2i_DHparams_fp(fp,x) (DH *)ASN1_d2i_fp((char *(*)())DH_new, \
+		(char *(*)())d2i_DHparams,(fp),(unsigned char **)(x))
+#define i2d_DHparams_fp(fp,x) ASN1_i2d_fp(i2d_DHparams,(fp), \
+		(unsigned char *)(x))
+#define d2i_DHparams_bio(bp,x) (DH *)ASN1_d2i_bio((char *(*)())DH_new, \
+		(char *(*)())d2i_DHparams,(bp),(unsigned char **)(x))
+#ifdef  __cplusplus
+#define i2d_DHparams_bio(bp,x) ASN1_i2d_bio((int (*)())i2d_DHparams,(bp), \
+		(unsigned char *)(x))
+#else
+#define i2d_DHparams_bio(bp,x) ASN1_i2d_bio(i2d_DHparams,(bp), \
+		(unsigned char *)(x))
+#endif
+
+const DH_METHOD *DH_OpenSSL(void);
+
+void DH_set_default_method(const DH_METHOD *meth);
+const DH_METHOD *DH_get_default_method(void);
+int DH_set_method(DH *dh, const DH_METHOD *meth);
+DH *DH_new_method(ENGINE *engine);
+
+DH *	DH_new(void);
+void	DH_free(DH *dh);
+int	DH_up_ref(DH *dh);
+int	DH_size(const DH *dh);
+int DH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
+	     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
+int DH_set_ex_data(DH *d, int idx, void *arg);
+void *DH_get_ex_data(DH *d, int idx);
+DH *	DH_generate_parameters(int prime_len,int generator,
+		void (*callback)(int,int,void *),void *cb_arg);
+int	DH_check(const DH *dh,int *codes);
+int	DH_generate_key(DH *dh);
+int	DH_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh);
+DH *	d2i_DHparams(DH **a,const unsigned char **pp, long length);
+int	i2d_DHparams(const DH *a,unsigned char **pp);
+#ifndef OPENSSL_NO_FP_API
+int	DHparams_print_fp(FILE *fp, const DH *x);
+#endif
+#ifndef OPENSSL_NO_BIO
+int	DHparams_print(BIO *bp, const DH *x);
+#else
+int	DHparams_print(char *bp, const DH *x);
+#endif
+
+/* BEGIN ERROR CODES */
+/* The following lines are auto generated by the script mkerr.pl. Any changes
+ * made after this point may be overwritten when the script is next run.
+ */
+void ERR_load_DH_strings(void);
+
+/* Error codes for the DH functions. */
+
+/* Function codes. */
+#define DH_F_DHPARAMS_PRINT				 100
+#define DH_F_DHPARAMS_PRINT_FP				 101
+#define DH_F_DH_COMPUTE_KEY				 102
+#define DH_F_DH_GENERATE_KEY				 103
+#define DH_F_DH_GENERATE_PARAMETERS			 104
+#define DH_F_DH_NEW_METHOD				 105
+
+/* Reason codes. */
+#define DH_R_BAD_GENERATOR				 101
+#define DH_R_NO_PRIVATE_VALUE				 100
+
+#ifdef  __cplusplus
+}
+#endif
+#endif
+