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Diffstat (limited to 'crypto/openssl/crypto/dsa/dsa.h')
| -rw-r--r-- | crypto/openssl/crypto/dsa/dsa.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/crypto/openssl/crypto/dsa/dsa.h b/crypto/openssl/crypto/dsa/dsa.h new file mode 100644 index 0000000..20b3f8d --- /dev/null +++ b/crypto/openssl/crypto/dsa/dsa.h @@ -0,0 +1,204 @@ +/* crypto/dsa/dsa.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.] + */ + +/* + * The DSS routines are based on patches supplied by + * Steven Schoch <schoch@sheba.arc.nasa.gov>. He basically did the + * work and I have just tweaked them a little to fit into my + * stylistic vision for SSLeay :-) */ + +#ifndef HEADER_DSA_H +#define HEADER_DSA_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef NO_DSA +#error DSA is disabled. +#endif + +#include <openssl/bn.h> +#ifndef NO_DH +# include <openssl/dh.h> +#endif + +#define DSA_FLAG_CACHE_MONT_P 0x01 + +typedef struct dsa_st + { + /* This first variable is used to pick up errors where + * a DSA is passed instead of of a EVP_PKEY */ + int pad; + int version; + int write_params; + BIGNUM *p; + BIGNUM *q; /* == 20 */ + BIGNUM *g; + + BIGNUM *pub_key; /* y public key */ + BIGNUM *priv_key; /* x private key */ + + BIGNUM *kinv; /* Signing pre-calc */ + BIGNUM *r; /* Signing pre-calc */ + + int flags; + /* Normally used to cache montgomery values */ + char *method_mont_p; + + int references; + } DSA; + +typedef struct DSA_SIG_st + { + BIGNUM *r; + BIGNUM *s; + } DSA_SIG; + +#define DSAparams_dup(x) (DSA *)ASN1_dup((int (*)())i2d_DSAparams, \ + (char *(*)())d2i_DSAparams,(char *)(x)) +#define d2i_DSAparams_fp(fp,x) (DSA *)ASN1_d2i_fp((char *(*)())DSA_new, \ + (char *(*)())d2i_DSAparams,(fp),(unsigned char **)(x)) +#define i2d_DSAparams_fp(fp,x) ASN1_i2d_fp(i2d_DSAparams,(fp), \ + (unsigned char *)(x)) +#define d2i_DSAparams_bio(bp,x) (DSA *)ASN1_d2i_bio((char *(*)())DSA_new, \ + (char *(*)())d2i_DSAparams,(bp),(unsigned char **)(x)) +#define i2d_DSAparams_bio(bp,x) ASN1_i2d_bio(i2d_DSAparams,(bp), \ + (unsigned char *)(x)) + + +DSA_SIG * DSA_SIG_new(void); +void DSA_SIG_free(DSA_SIG *a); +int i2d_DSA_SIG(DSA_SIG *a, unsigned char **pp); +DSA_SIG * d2i_DSA_SIG(DSA_SIG **v, unsigned char **pp, long length); + +DSA_SIG * DSA_do_sign(const unsigned char *dgst,int dlen,DSA *dsa); +int DSA_do_verify(const unsigned char *dgst,int dgst_len, + DSA_SIG *sig,DSA *dsa); + +DSA * DSA_new(void); +int DSA_size(DSA *); + /* next 4 return -1 on error */ +int DSA_sign_setup( DSA *dsa,BN_CTX *ctx_in,BIGNUM **kinvp,BIGNUM **rp); +int DSA_sign(int type,const unsigned char *dgst,int dlen, + unsigned char *sig, unsigned int *siglen, DSA *dsa); +int DSA_verify(int type,const unsigned char *dgst,int dgst_len, + unsigned char *sigbuf, int siglen, DSA *dsa); +void DSA_free (DSA *r); + +void ERR_load_DSA_strings(void ); + +DSA * d2i_DSAPublicKey(DSA **a, unsigned char **pp, long length); +DSA * d2i_DSAPrivateKey(DSA **a, unsigned char **pp, long length); +DSA * d2i_DSAparams(DSA **a, unsigned char **pp, long length); +DSA * DSA_generate_parameters(int bits, unsigned char *seed,int seed_len, + int *counter_ret, unsigned long *h_ret,void + (*callback)(),char *cb_arg); +int DSA_generate_key(DSA *a); +int i2d_DSAPublicKey(DSA *a, unsigned char **pp); +int i2d_DSAPrivateKey(DSA *a, unsigned char **pp); +int i2d_DSAparams(DSA *a,unsigned char **pp); + +#ifdef HEADER_BIO_H +int DSAparams_print(BIO *bp, DSA *x); +int DSA_print(BIO *bp, DSA *x, int off); +#endif +#ifndef NO_FP_API +int DSAparams_print_fp(FILE *fp, DSA *x); +int DSA_print_fp(FILE *bp, DSA *x, int off); +#endif + +int DSA_is_prime(BIGNUM *q,void (*callback)(),char *cb_arg); + +#ifndef NO_DH +/* Convert DSA structure (key or just parameters) into DH structure + * (be careful to avoid small subgroup attacks when using this!) */ +DH *DSA_dup_DH(DSA *r); +#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. + */ + +/* Error codes for the DSA functions. */ + +/* Function codes. */ +#define DSA_F_D2I_DSA_SIG 110 +#define DSA_F_DSAPARAMS_PRINT 100 +#define DSA_F_DSAPARAMS_PRINT_FP 101 +#define DSA_F_DSA_DO_SIGN 112 +#define DSA_F_DSA_DO_VERIFY 113 +#define DSA_F_DSA_IS_PRIME 102 +#define DSA_F_DSA_NEW 103 +#define DSA_F_DSA_PRINT 104 +#define DSA_F_DSA_PRINT_FP 105 +#define DSA_F_DSA_SIGN 106 +#define DSA_F_DSA_SIGN_SETUP 107 +#define DSA_F_DSA_SIG_NEW 109 +#define DSA_F_DSA_VERIFY 108 +#define DSA_F_I2D_DSA_SIG 111 + +/* Reason codes. */ +#define DSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 100 + +#ifdef __cplusplus +} +#endif +#endif + |
