/* 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 #include #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, BIGNUM *p, 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 carefull 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 #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,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); /* 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_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_DIGEST_TOO_BIG_FOR_RSA_KEY 112 #define RSA_R_KEY_SIZE_TOO_SMALL 120 #define RSA_R_NULL_BEFORE_BLOCK_MISSING 113 #define RSA_R_OAEP_DECODING_ERROR 121 #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