rsa.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/* 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
* 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 OPENSSL_NO_BIO
#endif
#include <openssl/ossl_typ.h>
#ifdef OPENSSL_NO_RSA
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct rsa_meth_st
{
const char *name;
unsigned char *to,
unsigned char *to,
unsigned char *to,
unsigned char *to,
int flags; /* RSA_METHOD_FLAG_* things */
char *app_data; /* may be needed! */
/* New sign and verify functions: some libraries don't allow arbitrary data
* 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'.
*/
const unsigned char *m, unsigned int m_length,
int (*rsa_verify)(int dtype,
const unsigned char *m, unsigned int m_length,
} 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;
long version;
const RSA_METHOD *meth;
/* functional reference if 'meth' is ENGINE-provided */
BIGNUM *n;
BIGNUM *e;
BIGNUM *d;
BIGNUM *p;
BIGNUM *q;
/* be careful using this if the RSA structure is shared */
int references;
int flags;
/* Used to cache montgomery values */
/* all BIGNUM values are actually in the following data, if it is not
* NULL */
char *bignum_data;
};
#define RSA_3 0x3L
#define RSA_F4 0x10001L
#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
* RSA implementation now uses blinding by
* default (ignoring RSA_FLAG_BLINDING),
* but other engines might not need it
*/
#define RSA_PKCS1_PADDING 1
#define RSA_SSLV23_PADDING 2
#define RSA_NO_PADDING 3
#define RSA_PKCS1_OAEP_PADDING 4
#define RSA_PKCS1_PADDING_SIZE 11
#define RSA_get_app_data(s) RSA_get_ex_data(s,0)
int RSA_check_key(const RSA *);
/* next 4 return -1 on error */
/* "up" the RSA object's reference count */
int RSA_up_ref(RSA *r);
const RSA_METHOD *RSA_get_default_method(void);
/* This function needs the memory locking malloc callbacks to be installed */
int RSA_memory_lock(RSA *r);
/* these are the actual SSLeay RSA functions */
const RSA_METHOD *RSA_PKCS1_SSLeay(void);
const RSA_METHOD *RSA_null_method(void);
#ifndef OPENSSL_NO_FP_API
#endif
#ifndef OPENSSL_NO_BIO
#endif
/* The following 2 functions sign and verify a X509_SIG ASN1 object
* inside PKCS#1 padded RSA encryption */
/* 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,
const unsigned char *m, unsigned int m_length,
int RSA_verify_ASN1_OCTET_STRING(int type,
const unsigned char *m, unsigned int m_length,
const unsigned char *f,int fl);
const unsigned char *f,int fl);
const unsigned char *f,int fl,
const unsigned char *p,int pl);
const unsigned char *p,int pl);
const unsigned char *f,int fl);
const unsigned char *f,int fl);
/* 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_RSA_strings(void);
/* 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_LARGE_FOR_MODULUS 132
#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_UNKNOWN_ALGORITHM_TYPE 117
#define RSA_R_UNKNOWN_PADDING_TYPE 118
#define RSA_R_WRONG_SIGNATURE_LENGTH 119
#ifdef __cplusplus
}
#endif
#endif