e759b095d4
patches that Geoff had in a patch file in his play directory. NOTE for openssl-cvs: THIS IS A CVS BRANCH (BRANCH_engine). IT IS NOT FOR THE FAINTHEARTED TO PLAY WITH. The code works as it is, but it's not at all sure it ends up in the OpenSSL distributio in this form, so do not get dependent on it! Those rsyncing the repository are considered warned!
350 lines
13 KiB
C
350 lines
13 KiB
C
/* crypto/rsa/rsa.h */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#ifndef HEADER_RSA_H
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#define HEADER_RSA_H
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#include <openssl/bn.h>
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#include <openssl/crypto.h>
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#ifdef NO_RSA
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#error RSA is disabled.
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct rsa_st RSA;
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typedef struct rsa_meth_st
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{
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const char *name;
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int (*rsa_pub_enc)(int flen,unsigned char *from,unsigned char *to,
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RSA *rsa,int padding);
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int (*rsa_pub_dec)(int flen,unsigned char *from,unsigned char *to,
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RSA *rsa,int padding);
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int (*rsa_priv_enc)(int flen,unsigned char *from,unsigned char *to,
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RSA *rsa,int padding);
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int (*rsa_priv_dec)(int flen,unsigned char *from,unsigned char *to,
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RSA *rsa,int padding);
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int (*rsa_mod_exp)(BIGNUM *r0,BIGNUM *I,RSA *rsa); /* Can be null */
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int (*bn_mod_exp)(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
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const BIGNUM *m, BN_CTX *ctx,
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BN_MONT_CTX *m_ctx); /* Can be null */
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int (*init)(RSA *rsa); /* called at new */
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int (*finish)(RSA *rsa); /* called at free */
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int flags; /* RSA_METHOD_FLAG_* things */
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char *app_data; /* may be needed! */
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/* New sign and verify functions: some libraries don't allow arbitrary data
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* to be signed/verified: this allows them to be used. Note: for this to work
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* the RSA_public_decrypt() and RSA_private_encrypt() should *NOT* be used
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* RSA_sign(), RSA_verify() should be used instead. Note: for backwards
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* compatibility this functionality is only enabled if the RSA_FLAG_SIGN_VER
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* option is set in 'flags'.
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*/
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int (*rsa_sign)(int type, unsigned char *m, unsigned int m_len,
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unsigned char *sigret, unsigned int *siglen, RSA *rsa);
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int (*rsa_verify)(int dtype, unsigned char *m, unsigned int m_len,
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unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
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} RSA_METHOD;
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struct rsa_st
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{
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/* The first parameter is used to pickup errors where
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* this is passed instead of aEVP_PKEY, it is set to 0 */
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int pad;
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int version;
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#if 0
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RSA_METHOD *meth;
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#else
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struct engine_st *handle;
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#endif
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BIGNUM *n;
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BIGNUM *e;
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BIGNUM *d;
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BIGNUM *p;
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BIGNUM *q;
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BIGNUM *dmp1;
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BIGNUM *dmq1;
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BIGNUM *iqmp;
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/* be careful using this if the RSA structure is shared */
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CRYPTO_EX_DATA ex_data;
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int references;
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int flags;
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/* Used to cache montgomery values */
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BN_MONT_CTX *_method_mod_n;
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BN_MONT_CTX *_method_mod_p;
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BN_MONT_CTX *_method_mod_q;
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/* all BIGNUM values are actually in the following data, if it is not
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* NULL */
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char *bignum_data;
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BN_BLINDING *blinding;
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};
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#define RSA_3 0x3L
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#define RSA_F4 0x10001L
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#define RSA_METHOD_FLAG_NO_CHECK 0x01 /* don't check pub/private match */
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#define RSA_FLAG_CACHE_PUBLIC 0x02
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#define RSA_FLAG_CACHE_PRIVATE 0x04
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#define RSA_FLAG_BLINDING 0x08
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#define RSA_FLAG_THREAD_SAFE 0x10
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/* This flag means the private key operations will be handled by rsa_mod_exp
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* and that they do not depend on the private key components being present:
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* for example a key stored in external hardware. Without this flag bn_mod_exp
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* gets called when private key components are absent.
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*/
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#define RSA_FLAG_EXT_PKEY 0x20
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/* This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions.
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*/
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#define RSA_FLAG_SIGN_VER 0x40
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#define RSA_PKCS1_PADDING 1
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#define RSA_SSLV23_PADDING 2
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#define RSA_NO_PADDING 3
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#define RSA_PKCS1_OAEP_PADDING 4
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#define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg)
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#define RSA_get_app_data(s) RSA_get_ex_data(s,0)
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RSA * RSA_new(void);
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#if 0
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RSA * RSA_new_method(RSA_METHOD *method);
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#else
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RSA * RSA_new_method(struct engine_st *handle);
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#endif
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int RSA_size(RSA *);
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RSA * RSA_generate_key(int bits, unsigned long e,void
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(*callback)(int,int,void *),void *cb_arg);
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int RSA_check_key(RSA *);
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/* next 4 return -1 on error */
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int RSA_public_encrypt(int flen, unsigned char *from,
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unsigned char *to, RSA *rsa,int padding);
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int RSA_private_encrypt(int flen, unsigned char *from,
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unsigned char *to, RSA *rsa,int padding);
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int RSA_public_decrypt(int flen, unsigned char *from,
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unsigned char *to, RSA *rsa,int padding);
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int RSA_private_decrypt(int flen, unsigned char *from,
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unsigned char *to, RSA *rsa,int padding);
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void RSA_free (RSA *r);
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int RSA_flags(RSA *r);
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void RSA_set_default_openssl_method(RSA_METHOD *meth);
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RSA_METHOD *RSA_get_default_openssl_method(void);
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RSA_METHOD *RSA_get_method(RSA *rsa);
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#if 0
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RSA_METHOD *RSA_set_method(RSA *rsa, RSA_METHOD *meth);
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#else
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RSA_METHOD *RSA_set_method(RSA *rsa, struct engine_st *h);
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#endif
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/* This function needs the memory locking malloc callbacks to be installed */
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int RSA_memory_lock(RSA *r);
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/* If you have RSAref compiled in. */
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RSA_METHOD *RSA_PKCS1_RSAref(void);
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/* these are the actual SSLeay RSA functions */
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RSA_METHOD *RSA_PKCS1_SSLeay(void);
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RSA_METHOD *RSA_null_method(void);
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void ERR_load_RSA_strings(void );
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RSA * d2i_RSAPublicKey(RSA **a, unsigned char **pp, long length);
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int i2d_RSAPublicKey(RSA *a, unsigned char **pp);
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RSA * d2i_RSAPrivateKey(RSA **a, unsigned char **pp, long length);
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int i2d_RSAPrivateKey(RSA *a, unsigned char **pp);
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#ifndef NO_FP_API
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int RSA_print_fp(FILE *fp, RSA *r,int offset);
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#endif
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#ifdef HEADER_BIO_H
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int RSA_print(BIO *bp, RSA *r,int offset);
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#endif
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int i2d_Netscape_RSA(RSA *a, unsigned char **pp, int (*cb)());
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RSA *d2i_Netscape_RSA(RSA **a, unsigned char **pp, long length, int (*cb)());
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/* Naughty internal function required elsewhere, to handle a MS structure
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* that is the same as the netscape one :-) */
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RSA *d2i_Netscape_RSA_2(RSA **a, unsigned char **pp, long length, int (*cb)());
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/* The following 2 functions sign and verify a X509_SIG ASN1 object
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* inside PKCS#1 padded RSA encryption */
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int RSA_sign(int type, unsigned char *m, unsigned int m_len,
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unsigned char *sigret, unsigned int *siglen, RSA *rsa);
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int RSA_verify(int type, unsigned char *m, unsigned int m_len,
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unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
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/* The following 2 function sign and verify a ASN1_OCTET_STRING
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* object inside PKCS#1 padded RSA encryption */
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int RSA_sign_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
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unsigned char *sigret, unsigned int *siglen, RSA *rsa);
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int RSA_verify_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
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unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
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int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
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void RSA_blinding_off(RSA *rsa);
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int RSA_padding_add_PKCS1_type_1(unsigned char *to,int tlen,
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unsigned char *f,int fl);
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int RSA_padding_check_PKCS1_type_1(unsigned char *to,int tlen,
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unsigned char *f,int fl,int rsa_len);
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int RSA_padding_add_PKCS1_type_2(unsigned char *to,int tlen,
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unsigned char *f,int fl);
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int RSA_padding_check_PKCS1_type_2(unsigned char *to,int tlen,
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unsigned char *f,int fl,int rsa_len);
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int RSA_padding_add_PKCS1_OAEP(unsigned char *to,int tlen,
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unsigned char *f,int fl,unsigned char *p,
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int pl);
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int RSA_padding_check_PKCS1_OAEP(unsigned char *to,int tlen,
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unsigned char *f,int fl,int rsa_len,
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unsigned char *p,int pl);
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int RSA_padding_add_SSLv23(unsigned char *to,int tlen,
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unsigned char *f,int fl);
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int RSA_padding_check_SSLv23(unsigned char *to,int tlen,
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unsigned char *f,int fl,int rsa_len);
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int RSA_padding_add_none(unsigned char *to,int tlen,
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unsigned char *f,int fl);
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int RSA_padding_check_none(unsigned char *to,int tlen,
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unsigned char *f,int fl,int rsa_len);
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int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
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CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
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int RSA_set_ex_data(RSA *r,int idx,void *arg);
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void *RSA_get_ex_data(RSA *r, int idx);
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/* BEGIN ERROR CODES */
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/* The following lines are auto generated by the script mkerr.pl. Any changes
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* made after this point may be overwritten when the script is next run.
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*/
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/* Error codes for the RSA functions. */
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/* Function codes. */
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#define RSA_F_MEMORY_LOCK 100
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#define RSA_F_RSA_CHECK_KEY 123
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#define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101
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#define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102
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#define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103
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#define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104
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#define RSA_F_RSA_GENERATE_KEY 105
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#define RSA_F_RSA_NEW_METHOD 106
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#define RSA_F_RSA_NULL 124
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#define RSA_F_RSA_PADDING_ADD_NONE 107
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#define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121
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#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108
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#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109
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#define RSA_F_RSA_PADDING_ADD_SSLV23 110
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#define RSA_F_RSA_PADDING_CHECK_NONE 111
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#define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122
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#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112
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#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113
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#define RSA_F_RSA_PADDING_CHECK_SSLV23 114
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#define RSA_F_RSA_PRINT 115
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#define RSA_F_RSA_PRINT_FP 116
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#define RSA_F_RSA_SIGN 117
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#define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118
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#define RSA_F_RSA_VERIFY 119
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#define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120
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/* Reason codes. */
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#define RSA_R_ALGORITHM_MISMATCH 100
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#define RSA_R_BAD_E_VALUE 101
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#define RSA_R_BAD_FIXED_HEADER_DECRYPT 102
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#define RSA_R_BAD_PAD_BYTE_COUNT 103
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#define RSA_R_BAD_SIGNATURE 104
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#define RSA_R_BLOCK_TYPE_IS_NOT_01 106
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#define RSA_R_BLOCK_TYPE_IS_NOT_02 107
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#define RSA_R_DATA_GREATER_THAN_MOD_LEN 108
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#define RSA_R_DATA_TOO_LARGE 109
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#define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110
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#define RSA_R_DATA_TOO_SMALL 111
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#define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122
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#define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112
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#define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124
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#define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125
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#define RSA_R_D_E_NOT_CONGRUENT_TO_1 123
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#define RSA_R_INVALID_MESSAGE_LENGTH 131
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#define RSA_R_IQMP_NOT_INVERSE_OF_Q 126
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#define RSA_R_KEY_SIZE_TOO_SMALL 120
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#define RSA_R_NULL_BEFORE_BLOCK_MISSING 113
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#define RSA_R_N_DOES_NOT_EQUAL_P_Q 127
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#define RSA_R_OAEP_DECODING_ERROR 121
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#define RSA_R_PADDING_CHECK_FAILED 114
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#define RSA_R_P_NOT_PRIME 128
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#define RSA_R_Q_NOT_PRIME 129
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#define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130
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#define RSA_R_SSLV3_ROLLBACK_ATTACK 115
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#define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
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#define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
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#define RSA_R_UNKNOWN_PADDING_TYPE 118
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#define RSA_R_WRONG_SIGNATURE_LENGTH 119
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#ifdef __cplusplus
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}
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#endif
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#endif
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