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+/* 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 <openssl/bn.h>
+#include <openssl/crypto.h>
+
+#ifdef NO_RSA
+#error RSA is disabled.
+#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! */
+ } 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;
+ RSA_METHOD *meth;
+ 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
+
+#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,(char *)arg)
+#define RSA_get_app_data(s) RSA_get_ex_data(s,0)
+
+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,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_method(RSA_METHOD *meth);
+RSA_METHOD *RSA_get_default_method(void);
+RSA_METHOD *RSA_get_method(RSA *rsa);
+RSA_METHOD *RSA_set_method(RSA *rsa, RSA_METHOD *meth);
+
+/* 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);
+
+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_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, 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);
+
+/* 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_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_D_E_NOT_CONGRUENT_TO_1 123
+#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_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_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
+