mirror of
https://github.com/yuzu-emu/mbedtls.git
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132 lines
4.8 KiB
C
132 lines
4.8 KiB
C
/**
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* \file openssl.h
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*
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* Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
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*
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* Copyright (C) 2009 Paul Bakker
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* OpenSSL wrapper contributed by David Barett
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*/
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#ifndef POLARSSL_OPENSSL_H
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#define POLARSSL_OPENSSL_H
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#include "polarssl/aes.h"
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#include "polarssl/md5.h"
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#include "polarssl/rsa.h"
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#include "polarssl/sha1.h"
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#define AES_SIZE 16
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#define AES_BLOCK_SIZE 16
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#define AES_KEY aes_context
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#define MD5_CTX md5_context
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#define SHA_CTX sha1_context
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#define SHA1_Init( CTX ) \
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sha1_starts( (CTX) )
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#define SHA1_Update( CTX, BUF, LEN ) \
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sha1_update( (CTX), (unsigned char *)(BUF), (LEN) )
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#define SHA1_Final( OUT, CTX ) \
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sha1_finish( (CTX), (OUT) )
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#define MD5_Init( CTX ) \
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md5_starts( (CTX) )
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#define MD5_Update( CTX, BUF, LEN ) \
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md5_update( (CTX), (unsigned char *)(BUF), (LEN) )
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#define MD5_Final( OUT, CTX ) \
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md5_finish( (CTX), (OUT) )
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#define AES_set_encrypt_key( KEY, KEYSIZE, CTX ) \
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aes_setkey_enc( (CTX), (KEY), (KEYSIZE) )
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#define AES_set_decrypt_key( KEY, KEYSIZE, CTX ) \
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aes_setkey_dec( (CTX), (KEY), (KEYSIZE) )
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#define AES_cbc_encrypt( INPUT, OUTPUT, LEN, CTX, IV, MODE ) \
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aes_crypt_cbc( (CTX), (MODE), (LEN), (IV), (INPUT), (OUTPUT) )
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/*
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* RSA stuff follows. TODO: needs cleanup
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*/
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inline int __RSA_Passthrough( void *output, void *input, int size )
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{
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memcpy( output, input, size );
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return size;
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}
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inline rsa_context* d2i_RSA_PUBKEY( void *ignore, unsigned char **bufptr,
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int len )
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{
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unsigned char *buffer = *(unsigned char **) bufptr;
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rsa_context *rsa;
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/*
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* Not a general-purpose parser: only parses public key from *exactly*
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* openssl genrsa -out privkey.pem 512 (or 1024)
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* openssl rsa -in privkey.pem -out privatekey.der -outform der
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* openssl rsa -in privkey.pem -out pubkey.der -outform der -pubout
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*
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* TODO: make a general-purpose parse
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*/
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if( ignore != 0 || ( len != 94 && len != 162 ) )
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return( 0 );
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rsa = (rsa_context *) malloc( sizeof( rsa_rsa ) );
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if( rsa == NULL )
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return( 0 );
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memset( rsa, 0, sizeof( rsa_context ) );
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if( ( len == 94 &&
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mpi_read_binary( &rsa->N, &buffer[ 25], 64 ) == 0 &&
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mpi_read_binary( &rsa->E, &buffer[ 91], 3 ) == 0 ) ||
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( len == 162 &&
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mpi_read_binary( &rsa->N, &buffer[ 29], 128 ) == 0 ) &&
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mpi_read_binary( &rsa->E, &buffer[159], 3 ) == 0 )
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{
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/*
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* key read successfully
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*/
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rsa->len = ( mpi_msb( &rsa->N ) + 7 ) >> 3;
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return( rsa );
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}
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else
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{
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memset( rsa, 0, sizeof( rsa_context ) );
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free( rsa );
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return( 0 );
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}
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}
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#define RSA rsa_context
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#define RSA_PKCS1_PADDING 1 /* ignored; always encrypt with this */
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#define RSA_size( CTX ) (CTX)->len
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#define RSA_free( CTX ) rsa_free( CTX )
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#define ERR_get_error( ) "ERR_get_error() not supported"
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#define RSA_blinding_off( IGNORE )
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#define d2i_RSAPrivateKey( a, b, c ) new rsa_context /* TODO: C++ bleh */
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inline int RSA_public_decrypt ( int size, unsigned char* input, unsigned char* output, RSA* key, int ignore ) { int outsize=size; if( !rsa_pkcs1_decrypt( key, RSA_PUBLIC, &outsize, input, output ) ) return outsize; else return -1; }
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inline int RSA_private_decrypt( int size, unsigned char* input, unsigned char* output, RSA* key, int ignore ) { int outsize=size; if( !rsa_pkcs1_decrypt( key, RSA_PRIVATE, &outsize, input, output ) ) return outsize; else return -1; }
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inline int RSA_public_encrypt ( int size, unsigned char* input, unsigned char* output, RSA* key, int ignore ) { if( !rsa_pkcs1_encrypt( key, RSA_PUBLIC, size, input, output ) ) return RSA_size(key); else return -1; }
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inline int RSA_private_encrypt( int size, unsigned char* input, unsigned char* output, RSA* key, int ignore ) { if( !rsa_pkcs1_encrypt( key, RSA_PRIVATE, size, input, output ) ) return RSA_size(key); else return -1; }
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#ifdef __cplusplus
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}
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#endif
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#endif /* openssl.h */
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