[thirdparty/openssl.git] / crypto / rsa / rsa.h

/* crypto/rsa/rsa.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_RSA_H
#define HEADER_RSA_H

#ifdef  __cplusplus
extern "C" {
#endif

#include "bn.h"
#include "crypto.h"

typedef struct rsa_meth_st
	{
	char *name;
	int (*rsa_pub_enc)();
	int (*rsa_pub_dec)();
	int (*rsa_priv_enc)();
	int (*rsa_priv_dec)();
	int (*rsa_mod_exp)();		/* Can be null */
	int (*bn_mod_exp)();		/* Can be null */
	int (*init)(/* RSA * */);	/* called at new */
	int (*finish)(/* RSA * */);	/* called at free */

	int flags;			/* RSA_METHOD_FLAG_* things */
	char *app_data;			/* may be needed! */
	} RSA_METHOD;

typedef struct rsa_st
	{
	/* The first parameter is used to pickup errors where
	 * this is passed instead of aEVP_PKEY, it is set to 0 */
	int pad;
	int version;
	RSA_METHOD *meth;
	BIGNUM *n;
	BIGNUM *e;
	BIGNUM *d;
	BIGNUM *p;
	BIGNUM *q;
	BIGNUM *dmp1;
	BIGNUM *dmq1;
	BIGNUM *iqmp;
	/* be carefull using this if the RSA structure is shared */
	CRYPTO_EX_DATA ex_data;
	int references;
	int flags;

	/* Normally used to cached montgomery values */
	char *method_mod_n;
	char *method_mod_p;
	char *method_mod_q;

	BN_BLINDING *blinding;
	} RSA;

#define RSA_3	0x3L
#define RSA_F4	0x10001L

#define RSA_METHOD_FLAG_NO_CHECK	0x01 /* don't check pub/private match */
#define RSA_FLAG_CACHE_PUBLIC		0x02
#define RSA_FLAG_CACHE_PRIVATE		0x04
#define RSA_FLAG_BLINDING		0x08
#define RSA_FLAG_THREAD_SAFE		0x10

#define RSA_PKCS1_PADDING	1
#define RSA_SSLV23_PADDING	2
#define RSA_NO_PADDING		3

#define RSA_set_app_data(s,arg)         RSA_set_ex_data(s,0,(char *)arg)
#define RSA_get_app_data(s)             RSA_get_ex_data(s,0)

#ifndef NOPROTO
RSA *	RSA_new(void);
RSA *	RSA_new_method(RSA_METHOD *method);
int	RSA_size(RSA *);
RSA *	RSA_generate_key(int bits, unsigned long e,void
		(*callback)(int,int,char *),char *cb_arg);
	/* next 4 return -1 on error */
int	RSA_public_encrypt(int flen, unsigned char *from,
		unsigned char *to, RSA *rsa,int padding);
int	RSA_private_encrypt(int flen, unsigned char *from,
		unsigned char *to, RSA *rsa,int padding);
int	RSA_public_decrypt(int flen, unsigned char *from, 
		unsigned char *to, RSA *rsa,int padding);
int	RSA_private_decrypt(int flen, unsigned char *from, 
		unsigned char *to, RSA *rsa,int padding);
void	RSA_free (RSA *r);

int	RSA_flags(RSA *r);

void RSA_set_default_method(RSA_METHOD *meth);

/* If you have RSAref compiled in. */
RSA_METHOD *RSA_PKCS1_RSAref(void);

/* these are the actual SSLeay RSA functions */
RSA_METHOD *RSA_PKCS1_SSLeay(void);

void	ERR_load_RSA_strings(void );

RSA *	d2i_RSAPublicKey(RSA **a, unsigned char **pp, long length);
int	i2d_RSAPublicKey(RSA *a, unsigned char **pp);
RSA *	d2i_RSAPrivateKey(RSA **a, unsigned char **pp, long length);
int 	i2d_RSAPrivateKey(RSA *a, unsigned char **pp);
#ifndef NO_FP_API
int	RSA_print_fp(FILE *fp, RSA *r,int offset);
#endif

#ifdef HEADER_BIO_H
int	RSA_print(BIO *bp, RSA *r,int offset);
#endif

int i2d_Netscape_RSA(RSA *a, unsigned char **pp, int (*cb)());
RSA *d2i_Netscape_RSA(RSA **a, unsigned char **pp, long length, int (*cb)());
/* Naughty internal function required elsewhere, to handle a MS structure
 * that is the same as the netscape one :-) */
RSA *d2i_Netscape_RSA_2(RSA **a, unsigned char **pp, long length, int (*cb)());

/* The following 2 functions sign and verify a X509_SIG ASN1 object
 * inside PKCS#1 padded RSA encryption */
int RSA_sign(int type, unsigned char *m, unsigned int m_len,
	unsigned char *sigret, unsigned int *siglen, RSA *rsa);
int RSA_verify(int type, unsigned char *m, unsigned int m_len,
	unsigned char *sigbuf, unsigned int siglen, RSA *rsa);

/* The following 2 function sign and verify a ASN1_OCTET_STRING
 * object inside PKCS#1 padded RSA encryption */
int RSA_sign_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
	unsigned char *sigret, unsigned int *siglen, RSA *rsa);
int RSA_verify_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
	unsigned char *sigbuf, unsigned int siglen, RSA *rsa);

int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
void RSA_blinding_off(RSA *rsa);

int RSA_padding_add_PKCS1_type_1(unsigned char *to,int tlen,
	unsigned char *f,int fl);
int RSA_padding_check_PKCS1_type_1(unsigned char *to,int tlen,
	unsigned char *f,int fl);
int RSA_padding_add_PKCS1_type_2(unsigned char *to,int tlen,
	unsigned char *f,int fl);
int RSA_padding_check_PKCS1_type_2(unsigned char *to,int tlen,
	unsigned char *f,int fl);
int RSA_padding_add_SSLv23(unsigned char *to,int tlen,
	unsigned char *f,int fl);
int RSA_padding_check_SSLv23(unsigned char *to,int tlen,
	unsigned char *f,int fl);
int RSA_padding_add_none(unsigned char *to,int tlen,
	unsigned char *f,int fl);
int RSA_padding_check_none(unsigned char *to,int tlen,
	unsigned char *f,int fl);

int RSA_get_ex_new_index(long argl, char *argp, int (*new_func)(),
	int (*dup_func)(), void (*free_func)());
int RSA_set_ex_data(RSA *r,int idx,char *arg);
char *RSA_get_ex_data(RSA *r, int idx);

#else

RSA *	RSA_new();
RSA *	RSA_new_method();
int	RSA_size();
RSA *	RSA_generate_key();
int	RSA_public_encrypt();
int	RSA_private_encrypt();
int	RSA_public_decrypt();
int	RSA_private_decrypt();
void	RSA_free ();

int	RSA_flags();

void RSA_set_default_method();

/* RSA_METHOD *RSA_PKCS1_RSAref(); */
RSA_METHOD *RSA_PKCS1_SSLeay();

void	ERR_load_RSA_strings();

RSA *	d2i_RSAPublicKey();
int	i2d_RSAPublicKey();
RSA *	d2i_RSAPrivateKey();
int 	i2d_RSAPrivateKey();
#ifndef NO_FP_API
int	RSA_print_fp();
#endif

int	RSA_print();

int i2d_Netscape_RSA();
RSA *d2i_Netscape_RSA();
RSA *d2i_Netscape_RSA_2();

int RSA_sign();
int RSA_verify();

int RSA_sign_ASN1_OCTET_STRING();
int RSA_verify_ASN1_OCTET_STRING();
int RSA_blinding_on();
void RSA_blinding_off();

int RSA_padding_add_PKCS1_type_1();
int RSA_padding_check_PKCS1_type_1();
int RSA_padding_add_PKCS1_type_2();
int RSA_padding_check_PKCS1_type_2();
int RSA_padding_add_SSLv23();
int RSA_padding_check_SSLv23();
int RSA_padding_add_none();
int RSA_padding_check_none();

int RSA_get_ex_new_index();
int RSA_set_ex_data();
char *RSA_get_ex_data();

#endif

/* BEGIN ERROR CODES */
/* Error codes for the RSA functions. */

/* Function codes. */
#define RSA_F_RSA_EAY_PRIVATE_DECRYPT			 100
#define RSA_F_RSA_EAY_PRIVATE_ENCRYPT			 101
#define RSA_F_RSA_EAY_PUBLIC_DECRYPT			 102
#define RSA_F_RSA_EAY_PUBLIC_ENCRYPT			 103
#define RSA_F_RSA_GENERATE_KEY				 104
#define RSA_F_RSA_NEW_METHOD				 105
#define RSA_F_RSA_PADDING_ADD_NONE			 106
#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1		 107
#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2		 108
#define RSA_F_RSA_PADDING_ADD_SSLV23			 109
#define RSA_F_RSA_PADDING_CHECK_NONE			 110
#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1		 111
#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2		 112
#define RSA_F_RSA_PADDING_CHECK_SSLV23			 113
#define RSA_F_RSA_PRINT					 114
#define RSA_F_RSA_PRINT_FP				 115
#define RSA_F_RSA_SIGN					 116
#define RSA_F_RSA_SIGN_ASN1_OCTET_STRING		 117
#define RSA_F_RSA_VERIFY				 118
#define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING		 119

/* Reason codes. */
#define RSA_R_ALGORITHM_MISMATCH			 100
#define RSA_R_BAD_E_VALUE				 101
#define RSA_R_BAD_FIXED_HEADER_DECRYPT			 102
#define RSA_R_BAD_PAD_BYTE_COUNT			 103
#define RSA_R_BAD_SIGNATURE				 104
#define RSA_R_BAD_ZERO_BYTE				 105
#define RSA_R_BLOCK_TYPE_IS_NOT_01			 106
#define RSA_R_BLOCK_TYPE_IS_NOT_02			 107
#define RSA_R_DATA_GREATER_THAN_MOD_LEN			 108
#define RSA_R_DATA_TOO_LARGE				 109
#define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE		 110
#define RSA_R_DATA_TOO_SMALL				 111
#define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY		 112
#define RSA_R_NULL_BEFORE_BLOCK_MISSING			 113
#define RSA_R_PADDING_CHECK_FAILED			 114
#define RSA_R_SSLV3_ROLLBACK_ATTACK			 115
#define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
#define RSA_R_UNKNOWN_ALGORITHM_TYPE			 117
#define RSA_R_UNKNOWN_PADDING_TYPE			 118
#define RSA_R_WRONG_SIGNATURE_LENGTH			 119
 
#ifdef  __cplusplus
}
#endif
#endif
Commit	Line	Data
d02b48c6	1	/* crypto/rsa/rsa.h */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
	59	#ifndef HEADER_RSA_H
	60	#define HEADER_RSA_H
	61
	62	#ifdef __cplusplus
	63	extern "C" {
	64	#endif
	65
	66	#include "bn.h"
58964a49	67	#include "crypto.h"
d02b48c6 RE	68
	69	typedef struct rsa_meth_st
	70	{
	71	char *name;
	72	int (*rsa_pub_enc)();
	73	int (*rsa_pub_dec)();
	74	int (*rsa_priv_enc)();
	75	int (*rsa_priv_dec)();
58964a49 RE	76	int (rsa_mod_exp)(); / Can be null */
58964a49 RE	77	int (bn_mod_exp)(); / Can be null */
d02b48c6 RE	78	int (init)(/ RSA * /); / called at new */
d02b48c6 RE	79	int (finish)(/ RSA * /); / called at free */
58964a49 RE	80
	81	int flags; /* RSA_METHOD_FLAG_* things */
	82	char app_data; / may be needed! */
d02b48c6 RE	83	} RSA_METHOD;
	84
	85	typedef struct rsa_st
	86	{
	87	/* The first parameter is used to pickup errors where
	88	* this is passed instead of aEVP_PKEY, it is set to 0 */
	89	int pad;
	90	int version;
	91	RSA_METHOD *meth;
	92	BIGNUM *n;
	93	BIGNUM *e;
	94	BIGNUM *d;
	95	BIGNUM *p;
	96	BIGNUM *q;
	97	BIGNUM *dmp1;
	98	BIGNUM *dmq1;
	99	BIGNUM *iqmp;
	100	/* be carefull using this if the RSA structure is shared */
58964a49	101	CRYPTO_EX_DATA ex_data;
d02b48c6	102	int references;
58964a49 RE	103	int flags;
	104
	105	/* Normally used to cached montgomery values */
	106	char *method_mod_n;
	107	char *method_mod_p;
	108	char *method_mod_q;
	109
	110	BN_BLINDING *blinding;
d02b48c6 RE	111	} RSA;
	112
	113	#define RSA_3 0x3L
	114	#define RSA_F4 0x10001L
	115
58964a49 RE	116	#define RSA_METHOD_FLAG_NO_CHECK 0x01 /* don't check pub/private match */
	117	#define RSA_FLAG_CACHE_PUBLIC 0x02
	118	#define RSA_FLAG_CACHE_PRIVATE 0x04
	119	#define RSA_FLAG_BLINDING 0x08
	120	#define RSA_FLAG_THREAD_SAFE 0x10
	121
	122	#define RSA_PKCS1_PADDING 1
	123	#define RSA_SSLV23_PADDING 2
	124	#define RSA_NO_PADDING 3
	125
	126	#define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,(char *)arg)
	127	#define RSA_get_app_data(s) RSA_get_ex_data(s,0)
d02b48c6 RE	128
	129	#ifndef NOPROTO
	130	RSA * RSA_new(void);
	131	RSA * RSA_new_method(RSA_METHOD *method);
	132	int RSA_size(RSA *);
	133	RSA * RSA_generate_key(int bits, unsigned long e,void
58964a49	134	(callback)(int,int,char ),char *cb_arg);
d02b48c6 RE	135	/* next 4 return -1 on error */
	136	int RSA_public_encrypt(int flen, unsigned char *from,
	137	unsigned char to, RSA rsa,int padding);
	138	int RSA_private_encrypt(int flen, unsigned char *from,
	139	unsigned char to, RSA rsa,int padding);
	140	int RSA_public_decrypt(int flen, unsigned char *from,
	141	unsigned char to, RSA rsa,int padding);
	142	int RSA_private_decrypt(int flen, unsigned char *from,
	143	unsigned char to, RSA rsa,int padding);
	144	void RSA_free (RSA *r);
	145
58964a49 RE	146	int RSA_flags(RSA *r);
58964a49 RE	147
d02b48c6 RE	148	void RSA_set_default_method(RSA_METHOD *meth);
	149
	150	/* If you have RSAref compiled in. */
58964a49	151	RSA_METHOD *RSA_PKCS1_RSAref(void);
d02b48c6 RE	152
	153	/* these are the actual SSLeay RSA functions */
	154	RSA_METHOD *RSA_PKCS1_SSLeay(void);
	155
	156	void ERR_load_RSA_strings(void );
	157
	158	RSA * d2i_RSAPublicKey(RSA a, unsigned char pp, long length);
	159	int i2d_RSAPublicKey(RSA a, unsigned char *pp);
	160	RSA * d2i_RSAPrivateKey(RSA a, unsigned char pp, long length);
	161	int i2d_RSAPrivateKey(RSA a, unsigned char *pp);
58964a49	162	#ifndef NO_FP_API
d02b48c6 RE	163	int RSA_print_fp(FILE fp, RSA r,int offset);
	164	#endif
	165
	166	#ifdef HEADER_BIO_H
	167	int RSA_print(BIO bp, RSA r,int offset);
	168	#endif
	169
	170	int i2d_Netscape_RSA(RSA a, unsigned char pp, int (cb)());
	171	RSA d2i_Netscape_RSA(RSA a, unsigned char pp, long length, int (cb)());
58964a49 RE	172	/* Naughty internal function required elsewhere, to handle a MS structure
	173	* that is the same as the netscape one :-) */
	174	RSA d2i_Netscape_RSA_2(RSA a, unsigned char pp, long length, int (cb)());
d02b48c6 RE	175
	176	/* The following 2 functions sign and verify a X509_SIG ASN1 object
	177	* inside PKCS#1 padded RSA encryption */
	178	int RSA_sign(int type, unsigned char *m, unsigned int m_len,
	179	unsigned char sigret, unsigned int siglen, RSA *rsa);
	180	int RSA_verify(int type, unsigned char *m, unsigned int m_len,
	181	unsigned char sigbuf, unsigned int siglen, RSA rsa);
	182
	183	/* The following 2 function sign and verify a ASN1_OCTET_STRING
	184	* object inside PKCS#1 padded RSA encryption */
	185	int RSA_sign_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
	186	unsigned char sigret, unsigned int siglen, RSA *rsa);
	187	int RSA_verify_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
	188	unsigned char sigbuf, unsigned int siglen, RSA rsa);
	189
58964a49 RE	190	int RSA_blinding_on(RSA rsa, BN_CTX ctx);
	191	void RSA_blinding_off(RSA *rsa);
	192
	193	int RSA_padding_add_PKCS1_type_1(unsigned char *to,int tlen,
	194	unsigned char *f,int fl);
	195	int RSA_padding_check_PKCS1_type_1(unsigned char *to,int tlen,
	196	unsigned char *f,int fl);
	197	int RSA_padding_add_PKCS1_type_2(unsigned char *to,int tlen,
	198	unsigned char *f,int fl);
	199	int RSA_padding_check_PKCS1_type_2(unsigned char *to,int tlen,
	200	unsigned char *f,int fl);
	201	int RSA_padding_add_SSLv23(unsigned char *to,int tlen,
	202	unsigned char *f,int fl);
	203	int RSA_padding_check_SSLv23(unsigned char *to,int tlen,
	204	unsigned char *f,int fl);
	205	int RSA_padding_add_none(unsigned char *to,int tlen,
	206	unsigned char *f,int fl);
	207	int RSA_padding_check_none(unsigned char *to,int tlen,
	208	unsigned char *f,int fl);
	209
	210	int RSA_get_ex_new_index(long argl, char argp, int (new_func)(),
	211	int (dup_func)(), void (free_func)());
	212	int RSA_set_ex_data(RSA r,int idx,char arg);
	213	char RSA_get_ex_data(RSA r, int idx);
	214
d02b48c6 RE	215	#else
	216
	217	RSA * RSA_new();
	218	RSA * RSA_new_method();
	219	int RSA_size();
	220	RSA * RSA_generate_key();
	221	int RSA_public_encrypt();
	222	int RSA_private_encrypt();
	223	int RSA_public_decrypt();
	224	int RSA_private_decrypt();
	225	void RSA_free ();
	226
58964a49 RE	227	int RSA_flags();
58964a49 RE	228
d02b48c6 RE	229	void RSA_set_default_method();
	230
	231	/* RSA_METHOD RSA_PKCS1_RSAref(); /
	232	RSA_METHOD *RSA_PKCS1_SSLeay();
	233
	234	void ERR_load_RSA_strings();
	235
	236	RSA * d2i_RSAPublicKey();
	237	int i2d_RSAPublicKey();
	238	RSA * d2i_RSAPrivateKey();
	239	int i2d_RSAPrivateKey();
58964a49	240	#ifndef NO_FP_API
d02b48c6 RE	241	int RSA_print_fp();
	242	#endif
	243
	244	int RSA_print();
	245
	246	int i2d_Netscape_RSA();
	247	RSA *d2i_Netscape_RSA();
58964a49	248	RSA *d2i_Netscape_RSA_2();
d02b48c6 RE	249
	250	int RSA_sign();
	251	int RSA_verify();
	252
	253	int RSA_sign_ASN1_OCTET_STRING();
	254	int RSA_verify_ASN1_OCTET_STRING();
58964a49 RE	255	int RSA_blinding_on();
	256	void RSA_blinding_off();
	257
	258	int RSA_padding_add_PKCS1_type_1();
	259	int RSA_padding_check_PKCS1_type_1();
	260	int RSA_padding_add_PKCS1_type_2();
	261	int RSA_padding_check_PKCS1_type_2();
	262	int RSA_padding_add_SSLv23();
	263	int RSA_padding_check_SSLv23();
	264	int RSA_padding_add_none();
	265	int RSA_padding_check_none();
	266
	267	int RSA_get_ex_new_index();
	268	int RSA_set_ex_data();
	269	char *RSA_get_ex_data();
d02b48c6 RE	270
	271	#endif
	272
	273	/* BEGIN ERROR CODES */
	274	/* Error codes for the RSA functions. */
	275
	276	/* Function codes. */
	277	#define RSA_F_RSA_EAY_PRIVATE_DECRYPT 100
	278	#define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 101
	279	#define RSA_F_RSA_EAY_PUBLIC_DECRYPT 102
	280	#define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 103
	281	#define RSA_F_RSA_GENERATE_KEY 104
	282	#define RSA_F_RSA_NEW_METHOD 105
58964a49 RE	283	#define RSA_F_RSA_PADDING_ADD_NONE 106
	284	#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 107
	285	#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 108
	286	#define RSA_F_RSA_PADDING_ADD_SSLV23 109
	287	#define RSA_F_RSA_PADDING_CHECK_NONE 110
	288	#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 111
	289	#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 112
	290	#define RSA_F_RSA_PADDING_CHECK_SSLV23 113
	291	#define RSA_F_RSA_PRINT 114
	292	#define RSA_F_RSA_PRINT_FP 115
	293	#define RSA_F_RSA_SIGN 116
	294	#define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 117
	295	#define RSA_F_RSA_VERIFY 118
	296	#define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 119
d02b48c6 RE	297
	298	/* Reason codes. */
	299	#define RSA_R_ALGORITHM_MISMATCH 100
	300	#define RSA_R_BAD_E_VALUE 101
	301	#define RSA_R_BAD_FIXED_HEADER_DECRYPT 102
	302	#define RSA_R_BAD_PAD_BYTE_COUNT 103
	303	#define RSA_R_BAD_SIGNATURE 104
58964a49 RE	304	#define RSA_R_BAD_ZERO_BYTE 105
	305	#define RSA_R_BLOCK_TYPE_IS_NOT_01 106
	306	#define RSA_R_BLOCK_TYPE_IS_NOT_02 107
	307	#define RSA_R_DATA_GREATER_THAN_MOD_LEN 108
	308	#define RSA_R_DATA_TOO_LARGE 109
	309	#define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110
	310	#define RSA_R_DATA_TOO_SMALL 111
	311	#define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112
	312	#define RSA_R_NULL_BEFORE_BLOCK_MISSING 113
	313	#define RSA_R_PADDING_CHECK_FAILED 114
	314	#define RSA_R_SSLV3_ROLLBACK_ATTACK 115
	315	#define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
	316	#define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
	317	#define RSA_R_UNKNOWN_PADDING_TYPE 118
	318	#define RSA_R_WRONG_SIGNATURE_LENGTH 119
d02b48c6 RE	319
	320	#ifdef __cplusplus
	321	}
	322	#endif
	323	#endif
	324