--- /dev/null
+/* crypto/dh/dh.h */\r
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)\r
+ * All rights reserved.\r
+ *\r
+ * This package is an SSL implementation written\r
+ * by Eric Young (eay@cryptsoft.com).\r
+ * The implementation was written so as to conform with Netscapes SSL.\r
+ * \r
+ * This library is free for commercial and non-commercial use as long as\r
+ * the following conditions are aheared to. The following conditions\r
+ * apply to all code found in this distribution, be it the RC4, RSA,\r
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation\r
+ * included with this distribution is covered by the same copyright terms\r
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).\r
+ * \r
+ * Copyright remains Eric Young's, and as such any Copyright notices in\r
+ * the code are not to be removed.\r
+ * If this package is used in a product, Eric Young should be given attribution\r
+ * as the author of the parts of the library used.\r
+ * This can be in the form of a textual message at program startup or\r
+ * in documentation (online or textual) provided with the package.\r
+ * \r
+ * Redistribution and use in source and binary forms, with or without\r
+ * modification, are permitted provided that the following conditions\r
+ * are met:\r
+ * 1. Redistributions of source code must retain the copyright\r
+ * notice, this list of conditions and the following disclaimer.\r
+ * 2. Redistributions in binary form must reproduce the above copyright\r
+ * notice, this list of conditions and the following disclaimer in the\r
+ * documentation and/or other materials provided with the distribution.\r
+ * 3. All advertising materials mentioning features or use of this software\r
+ * must display the following acknowledgement:\r
+ * "This product includes cryptographic software written by\r
+ * Eric Young (eay@cryptsoft.com)"\r
+ * The word 'cryptographic' can be left out if the rouines from the library\r
+ * being used are not cryptographic related :-).\r
+ * 4. If you include any Windows specific code (or a derivative thereof) from \r
+ * the apps directory (application code) you must include an acknowledgement:\r
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"\r
+ * \r
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND\r
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE\r
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r
+ * SUCH DAMAGE.\r
+ * \r
+ * The licence and distribution terms for any publically available version or\r
+ * derivative of this code cannot be changed. i.e. this code cannot simply be\r
+ * copied and put under another distribution licence\r
+ * [including the GNU Public Licence.]\r
+ */\r
+\r
+#ifndef HEADER_DH_H\r
+#define HEADER_DH_H\r
+\r
+#include <openssl/e_os2.h>\r
+\r
+#ifdef OPENSSL_NO_DH\r
+#error DH is disabled.\r
+#endif\r
+\r
+#ifndef OPENSSL_NO_BIO\r
+#include <openssl/bio.h>\r
+#endif\r
+#include <openssl/ossl_typ.h>\r
+#ifndef OPENSSL_NO_DEPRECATED\r
+#include <openssl/bn.h>\r
+#endif\r
+ \r
+#define DH_FLAG_CACHE_MONT_P 0x01\r
+#define DH_FLAG_NO_EXP_CONSTTIME 0x02 /* new with 0.9.7h; the built-in DH\r
+ * implementation now uses constant time\r
+ * modular exponentiation for secret exponents\r
+ * by default. This flag causes the\r
+ * faster variable sliding window method to\r
+ * be used for all exponents.\r
+ */\r
+\r
+#ifdef __cplusplus\r
+extern "C" {\r
+#endif\r
+\r
+/* Already defined in ossl_typ.h */\r
+/* typedef struct dh_st DH; */\r
+/* typedef struct dh_method DH_METHOD; */\r
+\r
+struct dh_method\r
+ {\r
+ const char *name;\r
+ /* Methods here */\r
+ int (*generate_key)(DH *dh);\r
+ int (*compute_key)(unsigned char *key,const BIGNUM *pub_key,DH *dh);\r
+ int (*bn_mod_exp)(const DH *dh, BIGNUM *r, const BIGNUM *a,\r
+ const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,\r
+ BN_MONT_CTX *m_ctx); /* Can be null */\r
+\r
+ int (*init)(DH *dh);\r
+ int (*finish)(DH *dh);\r
+ int flags;\r
+ char *app_data;\r
+ /* If this is non-NULL, it will be used to generate parameters */\r
+ int (*generate_params)(DH *dh, int prime_len, int generator, BN_GENCB *cb);\r
+ };\r
+\r
+struct dh_st\r
+ {\r
+ /* This first argument is used to pick up errors when\r
+ * a DH is passed instead of a EVP_PKEY */\r
+ int pad;\r
+ int version;\r
+ BIGNUM *p;\r
+ BIGNUM *g;\r
+ long length; /* optional */\r
+ BIGNUM *pub_key; /* g^x */\r
+ BIGNUM *priv_key; /* x */\r
+\r
+ int flags;\r
+ BN_MONT_CTX *method_mont_p;\r
+ /* Place holders if we want to do X9.42 DH */\r
+ BIGNUM *q;\r
+ BIGNUM *j;\r
+ unsigned char *seed;\r
+ int seedlen;\r
+ BIGNUM *counter;\r
+\r
+ int references;\r
+ CRYPTO_EX_DATA ex_data;\r
+ const DH_METHOD *meth;\r
+ ENGINE *engine;\r
+ };\r
+\r
+#define DH_GENERATOR_2 2\r
+/* #define DH_GENERATOR_3 3 */\r
+#define DH_GENERATOR_5 5\r
+\r
+/* DH_check error codes */\r
+#define DH_CHECK_P_NOT_PRIME 0x01\r
+#define DH_CHECK_P_NOT_SAFE_PRIME 0x02\r
+#define DH_UNABLE_TO_CHECK_GENERATOR 0x04\r
+#define DH_NOT_SUITABLE_GENERATOR 0x08\r
+\r
+/* primes p where (p-1)/2 is prime too are called "safe"; we define\r
+ this for backward compatibility: */\r
+#define DH_CHECK_P_NOT_STRONG_PRIME DH_CHECK_P_NOT_SAFE_PRIME\r
+\r
+#define DHparams_dup(x) ASN1_dup_of_const(DH,i2d_DHparams,d2i_DHparams,x)\r
+#define d2i_DHparams_fp(fp,x) (DH *)ASN1_d2i_fp((char *(*)())DH_new, \\r
+ (char *(*)())d2i_DHparams,(fp),(unsigned char **)(x))\r
+#define i2d_DHparams_fp(fp,x) ASN1_i2d_fp(i2d_DHparams,(fp), \\r
+ (unsigned char *)(x))\r
+#define d2i_DHparams_bio(bp,x) ASN1_d2i_bio_of(DH,DH_new,d2i_DHparams,bp,x)\r
+#define i2d_DHparams_bio(bp,x) ASN1_i2d_bio_of_const(DH,i2d_DHparams,bp,x)\r
+\r
+const DH_METHOD *DH_OpenSSL(void);\r
+\r
+void DH_set_default_method(const DH_METHOD *meth);\r
+const DH_METHOD *DH_get_default_method(void);\r
+int DH_set_method(DH *dh, const DH_METHOD *meth);\r
+DH *DH_new_method(ENGINE *engine);\r
+\r
+DH * DH_new(void);\r
+void DH_free(DH *dh);\r
+int DH_up_ref(DH *dh);\r
+int DH_size(const DH *dh);\r
+int DH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,\r
+ CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);\r
+int DH_set_ex_data(DH *d, int idx, void *arg);\r
+void *DH_get_ex_data(DH *d, int idx);\r
+\r
+/* Deprecated version */\r
+#ifndef OPENSSL_NO_DEPRECATED\r
+DH * DH_generate_parameters(int prime_len,int generator,\r
+ void (*callback)(int,int,void *),void *cb_arg);\r
+#endif /* !defined(OPENSSL_NO_DEPRECATED) */\r
+\r
+/* New version */\r
+int DH_generate_parameters_ex(DH *dh, int prime_len,int generator, BN_GENCB *cb);\r
+\r
+int DH_check(const DH *dh,int *codes);\r
+int DH_generate_key(DH *dh);\r
+int DH_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh);\r
+DH * d2i_DHparams(DH **a,const unsigned char **pp, long length);\r
+int i2d_DHparams(const DH *a,unsigned char **pp);\r
+#ifndef OPENSSL_NO_FP_API\r
+int DHparams_print_fp(FILE *fp, const DH *x);\r
+#endif\r
+#ifndef OPENSSL_NO_BIO\r
+int DHparams_print(BIO *bp, const DH *x);\r
+#else\r
+int DHparams_print(char *bp, const DH *x);\r
+#endif\r
+\r
+/* BEGIN ERROR CODES */\r
+/* The following lines are auto generated by the script mkerr.pl. Any changes\r
+ * made after this point may be overwritten when the script is next run.\r
+ */\r
+void ERR_load_DH_strings(void);\r
+\r
+/* Error codes for the DH functions. */\r
+\r
+/* Function codes. */\r
+#define DH_F_COMPUTE_KEY 102\r
+#define DH_F_DHPARAMS_PRINT 100\r
+#define DH_F_DHPARAMS_PRINT_FP 101\r
+#define DH_F_DH_BUILTIN_GENPARAMS 106\r
+#define DH_F_DH_NEW_METHOD 105\r
+#define DH_F_GENERATE_KEY 103\r
+#define DH_F_GENERATE_PARAMETERS 104\r
+\r
+/* Reason codes. */\r
+#define DH_R_BAD_GENERATOR 101\r
+#define DH_R_NO_PRIVATE_VALUE 100\r
+\r
+#ifdef __cplusplus\r
+}\r
+#endif\r
+#endif\r
projects / lab.git / blobdiff