[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

#ifndef NO_BIO
#include <openssl/bio.h>
#endif
#include <openssl/bn.h>
#include <openssl/crypto.h>

#ifdef NO_RSA
#error RSA is disabled.
#endif

#ifdef  __cplusplus
extern "C" {
#endif

typedef struct rsa_st RSA;

typedef struct rsa_meth_st
	{
	const char *name;
	int (*rsa_pub_enc)(int flen,unsigned char *from,unsigned char *to,
			   RSA *rsa,int padding);
	int (*rsa_pub_dec)(int flen,unsigned char *from,unsigned char *to,
			   RSA *rsa,int padding);
	int (*rsa_priv_enc)(int flen,unsigned char *from,unsigned char *to,
			    RSA *rsa,int padding);
	int (*rsa_priv_dec)(int flen,unsigned char *from,unsigned char *to,
			    RSA *rsa,int padding);
	int (*rsa_mod_exp)(BIGNUM *r0,BIGNUM *I,RSA *rsa); /* Can be null */
	int (*bn_mod_exp)(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
			  const BIGNUM *m, BN_CTX *ctx,
			  BN_MONT_CTX *m_ctx); /* Can be null */
	int (*init)(RSA *rsa);		/* called at new */
	int (*finish)(RSA *rsa);	/* called at free */
	int flags;			/* RSA_METHOD_FLAG_* things */
	char *app_data;			/* may be needed! */
/* New sign and verify functions: some libraries don't allow arbitrary data
 * to be signed/verified: this allows them to be used. Note: for this to work
 * the RSA_public_decrypt() and RSA_private_encrypt() should *NOT* be used
 * RSA_sign(), RSA_verify() should be used instead. Note: for backwards
 * compatibility this functionality is only enabled if the RSA_FLAG_SIGN_VER
 * option is set in 'flags'.
 */
	int (*rsa_sign)(int type, unsigned char *m, unsigned int m_len,
             unsigned char *sigret, unsigned int *siglen, RSA *rsa);
	int (*rsa_verify)(int dtype, unsigned char *m, unsigned int m_len,
             unsigned char *sigbuf, unsigned int siglen, RSA *rsa);

	} RSA_METHOD;

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;
#if 0
	RSA_METHOD *meth;
#else
	struct engine_st *engine;
#endif
	BIGNUM *n;
	BIGNUM *e;
	BIGNUM *d;
	BIGNUM *p;
	BIGNUM *q;
	BIGNUM *dmp1;
	BIGNUM *dmq1;
	BIGNUM *iqmp;
	/* be careful using this if the RSA structure is shared */
	CRYPTO_EX_DATA ex_data;
	int references;
	int flags;

	/* Used to cache montgomery values */
	BN_MONT_CTX *_method_mod_n;
	BN_MONT_CTX *_method_mod_p;
	BN_MONT_CTX *_method_mod_q;

	/* all BIGNUM values are actually in the following data, if it is not
	 * NULL */
	char *bignum_data;
	BN_BLINDING *blinding;
	};

#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
/* This flag means the private key operations will be handled by rsa_mod_exp
 * and that they do not depend on the private key components being present:
 * for example a key stored in external hardware. Without this flag bn_mod_exp
 * gets called when private key components are absent.
 */
#define RSA_FLAG_EXT_PKEY		0x20

/* This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions.
 */
#define RSA_FLAG_SIGN_VER		0x40

#define RSA_PKCS1_PADDING	1
#define RSA_SSLV23_PADDING	2
#define RSA_NO_PADDING		3
#define RSA_PKCS1_OAEP_PADDING	4

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

RSA *	RSA_new(void);
#if 0
RSA *	RSA_new_method(RSA_METHOD *method);
#else
RSA *	RSA_new_method(struct engine_st *engine);
#endif
int	RSA_size(RSA *);
RSA *	RSA_generate_key(int bits, unsigned long e,void
		(*callback)(int,int,void *),void *cb_arg);
int	RSA_check_key(RSA *);
	/* 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_openssl_method(RSA_METHOD *meth);
RSA_METHOD *RSA_get_default_openssl_method(void);
RSA_METHOD *RSA_get_method(RSA *rsa);
#if 0
RSA_METHOD *RSA_set_method(RSA *rsa, RSA_METHOD *meth);
#else
int RSA_set_method(RSA *rsa, struct engine_st *engine);
#endif

/* This function needs the memory locking malloc callbacks to be installed */
int RSA_memory_lock(RSA *r);

/* 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);

RSA_METHOD *RSA_null_method(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

#ifndef NO_BIO
int	RSA_print(BIO *bp, RSA *r,int offset);
#endif

int i2d_RSA_NET(RSA *a, unsigned char **pp, int (*cb)(), int sgckey);
RSA *d2i_RSA_NET(RSA **a, unsigned char **pp, long length, int (*cb)(), int sgckey);
RSA *d2i_RSA_NET_2(RSA **a, unsigned char **pp, long length, int (*cb)(), int sgckey);

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_len);
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_len);
int RSA_padding_add_PKCS1_OAEP(unsigned char *to,int tlen,
			       unsigned char *f,int fl,unsigned char *p,
			       int pl);
int RSA_padding_check_PKCS1_OAEP(unsigned char *to,int tlen,
				 unsigned char *f,int fl,int rsa_len,
				 unsigned char *p,int pl);
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_len);
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_len);

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

/* 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 RSA functions. */

/* Function codes. */
#define RSA_F_MEMORY_LOCK				 100
#define RSA_F_RSA_CHECK_KEY				 123
#define RSA_F_RSA_EAY_PRIVATE_DECRYPT			 101
#define RSA_F_RSA_EAY_PRIVATE_ENCRYPT			 102
#define RSA_F_RSA_EAY_PUBLIC_DECRYPT			 103
#define RSA_F_RSA_EAY_PUBLIC_ENCRYPT			 104
#define RSA_F_RSA_GENERATE_KEY				 105
#define RSA_F_RSA_NEW_METHOD				 106
#define RSA_F_RSA_NULL					 124
#define RSA_F_RSA_PADDING_ADD_NONE			 107
#define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP		 121
#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1		 108
#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2		 109
#define RSA_F_RSA_PADDING_ADD_SSLV23			 110
#define RSA_F_RSA_PADDING_CHECK_NONE			 111
#define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP		 122
#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1		 112
#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2		 113
#define RSA_F_RSA_PADDING_CHECK_SSLV23			 114
#define RSA_F_RSA_PRINT					 115
#define RSA_F_RSA_PRINT_FP				 116
#define RSA_F_RSA_SIGN					 117
#define RSA_F_RSA_SIGN_ASN1_OCTET_STRING		 118
#define RSA_F_RSA_VERIFY				 119
#define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING		 120

/* 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_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_DATA_TOO_SMALL_FOR_KEY_SIZE		 122
#define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY		 112
#define RSA_R_DMP1_NOT_CONGRUENT_TO_D			 124
#define RSA_R_DMQ1_NOT_CONGRUENT_TO_D			 125
#define RSA_R_D_E_NOT_CONGRUENT_TO_1			 123
#define RSA_R_INVALID_MESSAGE_LENGTH			 131
#define RSA_R_IQMP_NOT_INVERSE_OF_Q			 126
#define RSA_R_KEY_SIZE_TOO_SMALL			 120
#define RSA_R_NULL_BEFORE_BLOCK_MISSING			 113
#define RSA_R_N_DOES_NOT_EQUAL_P_Q			 127
#define RSA_R_OAEP_DECODING_ERROR			 121
#define RSA_R_PADDING_CHECK_FAILED			 114
#define RSA_R_P_NOT_PRIME				 128
#define RSA_R_Q_NOT_PRIME				 129
#define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED		 130
#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
ef33b970 RL	62	#ifndef NO_BIO
	63	#include <openssl/bio.h>
	64	#endif
ec577822 BM	65	#include <openssl/bn.h>
ec577822 BM	66	#include <openssl/crypto.h>
d02b48c6	67
f5d7a031 UM	68	#ifdef NO_RSA
	69	#error RSA is disabled.
	70	#endif
	71
82271cee RL	72	#ifdef __cplusplus
	73	extern "C" {
	74	#endif
	75
03f8b042 BL	76	typedef struct rsa_st RSA;
03f8b042 BL	77
d02b48c6 RE	78	typedef struct rsa_meth_st
d02b48c6 RE	79	{
e778802f	80	const char *name;
03f8b042 BL	81	int (rsa_pub_enc)(int flen,unsigned char from,unsigned char *to,
	82	RSA *rsa,int padding);
	83	int (rsa_pub_dec)(int flen,unsigned char from,unsigned char *to,
	84	RSA *rsa,int padding);
	85	int (rsa_priv_enc)(int flen,unsigned char from,unsigned char *to,
	86	RSA *rsa,int padding);
	87	int (rsa_priv_dec)(int flen,unsigned char from,unsigned char *to,
	88	RSA *rsa,int padding);
	89	int (rsa_mod_exp)(BIGNUM r0,BIGNUM I,RSA rsa); /* Can be null */
84c15db5 BL	90	int (bn_mod_exp)(BIGNUM r, BIGNUM a, const BIGNUM p,
	91	const BIGNUM m, BN_CTX ctx,
	92	BN_MONT_CTX m_ctx); / Can be null */
03f8b042 BL	93	int (init)(RSA rsa); /* called at new */
03f8b042 BL	94	int (finish)(RSA rsa); /* called at free */
58964a49 RE	95	int flags; /* RSA_METHOD_FLAG_* things */
58964a49 RE	96	char app_data; / may be needed! */
1c80019a DSH	97	/* New sign and verify functions: some libraries don't allow arbitrary data
	98	* to be signed/verified: this allows them to be used. Note: for this to work
	99	* the RSA_public_decrypt() and RSA_private_encrypt() should NOT be used
	100	* RSA_sign(), RSA_verify() should be used instead. Note: for backwards
657e60fa	101	* compatibility this functionality is only enabled if the RSA_FLAG_SIGN_VER
1c80019a DSH	102	* option is set in 'flags'.
	103	*/
	104	int (rsa_sign)(int type, unsigned char m, unsigned int m_len,
	105	unsigned char sigret, unsigned int siglen, RSA *rsa);
	106	int (rsa_verify)(int dtype, unsigned char m, unsigned int m_len,
	107	unsigned char sigbuf, unsigned int siglen, RSA rsa);
	108
d02b48c6 RE	109	} RSA_METHOD;
d02b48c6 RE	110
03f8b042	111	struct rsa_st
d02b48c6 RE	112	{
	113	/* The first parameter is used to pickup errors where
	114	* this is passed instead of aEVP_PKEY, it is set to 0 */
	115	int pad;
	116	int version;
5270e702	117	#if 0
d02b48c6	118	RSA_METHOD *meth;
5270e702 RL	119	#else
	120	struct engine_st *engine;
	121	#endif
d02b48c6 RE	122	BIGNUM *n;
	123	BIGNUM *e;
	124	BIGNUM *d;
	125	BIGNUM *p;
	126	BIGNUM *q;
	127	BIGNUM *dmp1;
	128	BIGNUM *dmq1;
	129	BIGNUM *iqmp;
770d19b8	130	/* be careful using this if the RSA structure is shared */
58964a49	131	CRYPTO_EX_DATA ex_data;
d02b48c6	132	int references;
58964a49 RE	133	int flags;
58964a49 RE	134
03f8b042 BL	135	/* Used to cache montgomery values */
	136	BN_MONT_CTX *_method_mod_n;
	137	BN_MONT_CTX *_method_mod_p;
	138	BN_MONT_CTX *_method_mod_q;
58964a49	139
dfeab068 RE	140	/* all BIGNUM values are actually in the following data, if it is not
	141	* NULL */
	142	char *bignum_data;
58964a49	143	BN_BLINDING *blinding;
03f8b042	144	};
d02b48c6 RE	145
	146	#define RSA_3 0x3L
	147	#define RSA_F4 0x10001L
	148
58964a49	149	#define RSA_METHOD_FLAG_NO_CHECK 0x01 /* don't check pub/private match */
dfeab068	150
58964a49 RE	151	#define RSA_FLAG_CACHE_PUBLIC 0x02
	152	#define RSA_FLAG_CACHE_PRIVATE 0x04
	153	#define RSA_FLAG_BLINDING 0x08
	154	#define RSA_FLAG_THREAD_SAFE 0x10
770d19b8 DSH	155	/* This flag means the private key operations will be handled by rsa_mod_exp
	156	* and that they do not depend on the private key components being present:
	157	* for example a key stored in external hardware. Without this flag bn_mod_exp
	158	* gets called when private key components are absent.
	159	*/
	160	#define RSA_FLAG_EXT_PKEY 0x20
58964a49	161
1c80019a DSH	162	/* This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions.
	163	*/
	164	#define RSA_FLAG_SIGN_VER 0x40
	165
58964a49 RE	166	#define RSA_PKCS1_PADDING 1
	167	#define RSA_SSLV23_PADDING 2
	168	#define RSA_NO_PADDING 3
a4949896	169	#define RSA_PKCS1_OAEP_PADDING 4
58964a49	170
dd9d233e	171	#define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg)
58964a49	172	#define RSA_get_app_data(s) RSA_get_ex_data(s,0)
d02b48c6	173
d02b48c6	174	RSA * RSA_new(void);
5270e702	175	#if 0
d02b48c6	176	RSA * RSA_new_method(RSA_METHOD *method);
5270e702 RL	177	#else
	178	RSA * RSA_new_method(struct engine_st *engine);
	179	#endif
d02b48c6 RE	180	int RSA_size(RSA *);
d02b48c6 RE	181	RSA * RSA_generate_key(int bits, unsigned long e,void
b4f76582	182	(callback)(int,int,void ),void *cb_arg);
03cd4944	183	int RSA_check_key(RSA *);
d02b48c6 RE	184	/* next 4 return -1 on error */
	185	int RSA_public_encrypt(int flen, unsigned char *from,
	186	unsigned char to, RSA rsa,int padding);
	187	int RSA_private_encrypt(int flen, unsigned char *from,
	188	unsigned char to, RSA rsa,int padding);
	189	int RSA_public_decrypt(int flen, unsigned char *from,
	190	unsigned char to, RSA rsa,int padding);
	191	int RSA_private_decrypt(int flen, unsigned char *from,
	192	unsigned char to, RSA rsa,int padding);
	193	void RSA_free (RSA *r);
	194
58964a49 RE	195	int RSA_flags(RSA *r);
58964a49 RE	196
5270e702 RL	197	void RSA_set_default_openssl_method(RSA_METHOD *meth);
5270e702 RL	198	RSA_METHOD *RSA_get_default_openssl_method(void);
ce8b2574	199	RSA_METHOD RSA_get_method(RSA rsa);
5270e702	200	#if 0
ce8b2574	201	RSA_METHOD RSA_set_method(RSA rsa, RSA_METHOD *meth);
5270e702 RL	202	#else
	203	int RSA_set_method(RSA rsa, struct engine_st engine);
	204	#endif
d02b48c6	205
dfeab068 RE	206	/* This function needs the memory locking malloc callbacks to be installed */
	207	int RSA_memory_lock(RSA *r);
	208
d02b48c6	209	/* If you have RSAref compiled in. */
58964a49	210	RSA_METHOD *RSA_PKCS1_RSAref(void);
d02b48c6 RE	211
	212	/* these are the actual SSLeay RSA functions */
	213	RSA_METHOD *RSA_PKCS1_SSLeay(void);
	214
c1cd88a0 DSH	215	RSA_METHOD *RSA_null_method(void);
c1cd88a0 DSH	216
d02b48c6 RE	217	void ERR_load_RSA_strings(void );
	218
	219	RSA * d2i_RSAPublicKey(RSA a, unsigned char pp, long length);
	220	int i2d_RSAPublicKey(RSA a, unsigned char *pp);
	221	RSA * d2i_RSAPrivateKey(RSA a, unsigned char pp, long length);
	222	int i2d_RSAPrivateKey(RSA a, unsigned char *pp);
58964a49	223	#ifndef NO_FP_API
d02b48c6 RE	224	int RSA_print_fp(FILE fp, RSA r,int offset);
	225	#endif
	226
ef33b970	227	#ifndef NO_BIO
d02b48c6 RE	228	int RSA_print(BIO bp, RSA r,int offset);
	229	#endif
	230
d3ed8ceb DSH	231	int i2d_RSA_NET(RSA a, unsigned char pp, int (cb)(), int sgckey);
	232	RSA d2i_RSA_NET(RSA a, unsigned char pp, long length, int (cb)(), int sgckey);
	233	RSA d2i_RSA_NET_2(RSA a, unsigned char pp, long length, int (cb)(), int sgckey);
	234
d02b48c6 RE	235	int i2d_Netscape_RSA(RSA a, unsigned char pp, int (cb)());
d02b48c6 RE	236	RSA d2i_Netscape_RSA(RSA a, unsigned char pp, long length, int (cb)());
58964a49 RE	237	/* Naughty internal function required elsewhere, to handle a MS structure
	238	* that is the same as the netscape one :-) */
	239	RSA d2i_Netscape_RSA_2(RSA a, unsigned char pp, long length, int (cb)());
d02b48c6 RE	240
	241	/* The following 2 functions sign and verify a X509_SIG ASN1 object
	242	* inside PKCS#1 padded RSA encryption */
	243	int RSA_sign(int type, unsigned char *m, unsigned int m_len,
	244	unsigned char sigret, unsigned int siglen, RSA *rsa);
	245	int RSA_verify(int type, unsigned char *m, unsigned int m_len,
	246	unsigned char sigbuf, unsigned int siglen, RSA rsa);
	247
	248	/* The following 2 function sign and verify a ASN1_OCTET_STRING
	249	* object inside PKCS#1 padded RSA encryption */
	250	int RSA_sign_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
	251	unsigned char sigret, unsigned int siglen, RSA *rsa);
	252	int RSA_verify_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
	253	unsigned char sigbuf, unsigned int siglen, RSA rsa);
	254
58964a49 RE	255	int RSA_blinding_on(RSA rsa, BN_CTX ctx);
	256	void RSA_blinding_off(RSA *rsa);
	257
	258	int RSA_padding_add_PKCS1_type_1(unsigned char *to,int tlen,
	259	unsigned char *f,int fl);
	260	int RSA_padding_check_PKCS1_type_1(unsigned char *to,int tlen,
dfeab068	261	unsigned char *f,int fl,int rsa_len);
58964a49 RE	262	int RSA_padding_add_PKCS1_type_2(unsigned char *to,int tlen,
	263	unsigned char *f,int fl);
	264	int RSA_padding_check_PKCS1_type_2(unsigned char *to,int tlen,
dfeab068	265	unsigned char *f,int fl,int rsa_len);
a4949896 BL	266	int RSA_padding_add_PKCS1_OAEP(unsigned char *to,int tlen,
	267	unsigned char f,int fl,unsigned char p,
	268	int pl);
	269	int RSA_padding_check_PKCS1_OAEP(unsigned char *to,int tlen,
	270	unsigned char *f,int fl,int rsa_len,
	271	unsigned char *p,int pl);
58964a49 RE	272	int RSA_padding_add_SSLv23(unsigned char *to,int tlen,
	273	unsigned char *f,int fl);
	274	int RSA_padding_check_SSLv23(unsigned char *to,int tlen,
dfeab068	275	unsigned char *f,int fl,int rsa_len);
58964a49 RE	276	int RSA_padding_add_none(unsigned char *to,int tlen,
	277	unsigned char *f,int fl);
	278	int RSA_padding_check_none(unsigned char *to,int tlen,
dfeab068	279	unsigned char *f,int fl,int rsa_len);
58964a49	280
dd9d233e DSH	281	int RSA_get_ex_new_index(long argl, void argp, CRYPTO_EX_new new_func,
	282	CRYPTO_EX_dup dup_func, CRYPTO_EX_free free_func);
	283	int RSA_set_ex_data(RSA r,int idx,void arg);
	284	void RSA_get_ex_data(RSA r, int idx);
58964a49	285
d02b48c6	286	/* BEGIN ERROR CODES */
6d311938 DSH	287	/* The following lines are auto generated by the script mkerr.pl. Any changes
	288	* made after this point may be overwritten when the script is next run.
	289	*/
	290
d02b48c6 RE	291	/* Error codes for the RSA functions. */
	292
	293	/* Function codes. */
dfeab068	294	#define RSA_F_MEMORY_LOCK 100
03cd4944	295	#define RSA_F_RSA_CHECK_KEY 123
dfeab068 RE	296	#define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101
	297	#define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102
	298	#define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103
	299	#define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104
	300	#define RSA_F_RSA_GENERATE_KEY 105
	301	#define RSA_F_RSA_NEW_METHOD 106
c1cd88a0	302	#define RSA_F_RSA_NULL 124
dfeab068	303	#define RSA_F_RSA_PADDING_ADD_NONE 107
a4949896	304	#define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121
dfeab068 RE	305	#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108
	306	#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109
	307	#define RSA_F_RSA_PADDING_ADD_SSLV23 110
	308	#define RSA_F_RSA_PADDING_CHECK_NONE 111
a4949896	309	#define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122
dfeab068 RE	310	#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112
	311	#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113
	312	#define RSA_F_RSA_PADDING_CHECK_SSLV23 114
	313	#define RSA_F_RSA_PRINT 115
	314	#define RSA_F_RSA_PRINT_FP 116
	315	#define RSA_F_RSA_SIGN 117
	316	#define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118
	317	#define RSA_F_RSA_VERIFY 119
	318	#define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120
d02b48c6 RE	319
	320	/* Reason codes. */
	321	#define RSA_R_ALGORITHM_MISMATCH 100
	322	#define RSA_R_BAD_E_VALUE 101
	323	#define RSA_R_BAD_FIXED_HEADER_DECRYPT 102
	324	#define RSA_R_BAD_PAD_BYTE_COUNT 103
	325	#define RSA_R_BAD_SIGNATURE 104
58964a49 RE	326	#define RSA_R_BLOCK_TYPE_IS_NOT_01 106
	327	#define RSA_R_BLOCK_TYPE_IS_NOT_02 107
	328	#define RSA_R_DATA_GREATER_THAN_MOD_LEN 108
	329	#define RSA_R_DATA_TOO_LARGE 109
	330	#define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110
	331	#define RSA_R_DATA_TOO_SMALL 111
0c8a1281	332	#define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122
58964a49	333	#define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112
03cd4944 BM	334	#define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124
03cd4944 BM	335	#define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125
c1cd88a0	336	#define RSA_R_D_E_NOT_CONGRUENT_TO_1 123
1c80019a	337	#define RSA_R_INVALID_MESSAGE_LENGTH 131
03cd4944	338	#define RSA_R_IQMP_NOT_INVERSE_OF_Q 126
a4949896	339	#define RSA_R_KEY_SIZE_TOO_SMALL 120
58964a49	340	#define RSA_R_NULL_BEFORE_BLOCK_MISSING 113
3a55fc1a	341	#define RSA_R_N_DOES_NOT_EQUAL_P_Q 127
a4949896	342	#define RSA_R_OAEP_DECODING_ERROR 121
58964a49	343	#define RSA_R_PADDING_CHECK_FAILED 114
03cd4944 BM	344	#define RSA_R_P_NOT_PRIME 128
03cd4944 BM	345	#define RSA_R_Q_NOT_PRIME 129
c1cd88a0	346	#define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130
58964a49 RE	347	#define RSA_R_SSLV3_ROLLBACK_ATTACK 115
	348	#define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
	349	#define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
	350	#define RSA_R_UNKNOWN_PADDING_TYPE 118
	351	#define RSA_R_WRONG_SIGNATURE_LENGTH 119
6d311938	352
d02b48c6 RE	353	#ifdef __cplusplus
	354	}
	355	#endif
	356	#endif
	357