Willie Solano / Mbed 2 deprecated Encypting_Funcional

Encypting_Funcional

Dependencies:   mbedtls mbed

main.cpp@0:fb407fe1db0f, 2019-06-04 (annotated)

Committer:
williequesada
Date:
Tue Jun 04 17:53:15 2019 +0000
Revision:
0:fb407fe1db0f
pablo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
williequesada 0:fb407fe1db0f 1 #include "mbed.h"
williequesada 0:fb407fe1db0f 2 #include <stdio.h>
williequesada 0:fb407fe1db0f 3 #include <stdlib.h>
williequesada 0:fb407fe1db0f 4
williequesada 0:fb407fe1db0f 5 #include "mbedtls/rsa.h"
williequesada 0:fb407fe1db0f 6 #include "mbedtls/pk.h"
williequesada 0:fb407fe1db0f 7 #include "mbedtls/base64.h"
williequesada 0:fb407fe1db0f 8 #include "mbedtls/ctr_drbg.h"
williequesada 0:fb407fe1db0f 9 #include "mbedtls/error.h"
williequesada 0:fb407fe1db0f 10 #include "mbedtls/ctr_drbg.h"
williequesada 0:fb407fe1db0f 11 #include "mbedtls/platform.h"
williequesada 0:fb407fe1db0f 12 #include "mbedtls/entropy.h"
williequesada 0:fb407fe1db0f 13
williequesada 0:fb407fe1db0f 14 // ------------------Examples keys from http://travistidwell.com/jsencrypt/demo/
williequesada 0:fb407fe1db0f 15
williequesada 0:fb407fe1db0f 16 static const uint8_t PrivateKeyTXT[] =
williequesada 0:fb407fe1db0f 17 "-----BEGIN RSA PRIVATE KEY-----\n"
williequesada 0:fb407fe1db0f 18 "MIICXQIBAAKBgQCtlciI/Mk4fkxeOwiB0iwiBmoSyhqQNKBg+KmzpZDcLkl8ShDY\n"
williequesada 0:fb407fe1db0f 19 "/BjZjW9UXYX8ptCHwV9WU4ltdA4fBTm51m52fOGvZPODurIbNEnaFMRn9hsDJRA6\n"
williequesada 0:fb407fe1db0f 20 "adz32XRQVsjQYLMnQnlaMYGKvuatHPPK/ZCuJRmdttiijs3t/bmCU/Vi8wIDAQAB\n"
williequesada 0:fb407fe1db0f 21 "AoGBAJ9alhJMHl3idDE9eH3Vd/Z0dQRyzRf9eA4NuZzWLbo0M/oJ9JV+OUHe+Yk1\n"
williequesada 0:fb407fe1db0f 22 "oj9i1KUL/H2/irYUiLIplejo1dYkpdD8gEBpNK5HLh9rd2IPxyyS8PkkeKwWnj35\n"
williequesada 0:fb407fe1db0f 23 "4N4CEf8d8+JF/VA2KvPVyqUC8m8JAFwQkNioyZmGnFhJ/m5hAkEA4irJ4emRtr5T\n"
williequesada 0:fb407fe1db0f 24 "U2ic4Vbvb7k8rnh/xBpPRtJbx219VQItxFECdm6bIExZevVNGZx2YKZIsklVUIbu\n"
williequesada 0:fb407fe1db0f 25 "wFjBzXY/JQJBAMR7Z3fEKK2NqX+BgbecdPimYce0QSbMpZ1Co9U6tts3yT2sKaqQ\n"
williequesada 0:fb407fe1db0f 26 "8Zz0l8/0eNQlBe9PUBywwhRhkplqOE2e6jcCQCcez5zMEfBSK4eZ6MjxiKkCmYR0\n"
williequesada 0:fb407fe1db0f 27 "Q2VgR6YwbL+qKKuznMcAXDSwHRURH8ks9REhBzjgimKMXL15GYMb1yn68iECQC/A\n"
williequesada 0:fb407fe1db0f 28 "rkz1Z82GeIN8vkIZzHQCPBGFRbBgXH/0Ck1wj7CHxmkuxpGl2JME/0CTcipdNSwM\n"
williequesada 0:fb407fe1db0f 29 "YrQWYZUCgda3cierT9ECQQDZUgRkBsVsL60neHskYq2xCJO7RGxwrqekBvtXjo4i\n"
williequesada 0:fb407fe1db0f 30 "6IHgjeagH9Mf1hLVZQ7aPU3EFwk4jcb6FOhTqSqrZWKH\n"
williequesada 0:fb407fe1db0f 31 "-----END RSA PRIVATE KEY-----\n";
williequesada 0:fb407fe1db0f 32
williequesada 0:fb407fe1db0f 33 static const uint8_t PublicKeyTXT[] =
williequesada 0:fb407fe1db0f 34 "-----BEGIN PUBLIC KEY-----\n"
williequesada 0:fb407fe1db0f 35 "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCtlciI/Mk4fkxeOwiB0iwiBmoS\n"
williequesada 0:fb407fe1db0f 36 "yhqQNKBg+KmzpZDcLkl8ShDY/BjZjW9UXYX8ptCHwV9WU4ltdA4fBTm51m52fOGv\n"
williequesada 0:fb407fe1db0f 37 "ZPODurIbNEnaFMRn9hsDJRA6adz32XRQVsjQYLMnQnlaMYGKvuatHPPK/ZCuJRmd\n"
williequesada 0:fb407fe1db0f 38 "ttiijs3t/bmCU/Vi8wIDAQAB\n"
williequesada 0:fb407fe1db0f 39 "-----END PUBLIC KEY-----\n";
williequesada 0:fb407fe1db0f 40
williequesada 0:fb407fe1db0f 41 // Privada ---> Encriptacion
williequesada 0:fb407fe1db0f 42 // Publica ---> Desencripta
williequesada 0:fb407fe1db0f 43
williequesada 0:fb407fe1db0f 44 uint8_t Message[] ="{\"municipio\":\"Santa Ana\",\"id\":1067,\"place\":\"2222\",\"time\":120,\"t2\":\"%5303105315252296=2108?\"}1111111199999991111111111";
williequesada 0:fb407fe1db0f 45 uint8_t Encryption1[200];
williequesada 0:fb407fe1db0f 46 uint8_t Encryption[200];
williequesada 0:fb407fe1db0f 47 uint8_t Encryption_HEX[]= "\x43\x60\x5f\x65\xbc\x78\x89\x57\x5c\x6d\xc6\x47\x53\x57\x10\xd3\x45\x0e\x77\xe0\x85\x5f\xf8\x3d\x32\x6e\xcf\x94\x4c\x1f\xa8\x11\xe6\x6b\x93\x5e\xc7\x37\xe2\xee\x63\x99\x6e\x80\x70\x6e\xe2\x38\xcc\x0b\x9d\x82\x83\x47\x38\xed\xe4\x21\x4d\x13\x3c\x94\x01\xfc\x00";
williequesada 0:fb407fe1db0f 48 uint8_t Decryption[200];
williequesada 0:fb407fe1db0f 49
williequesada 0:fb407fe1db0f 50 int main()
williequesada 0:fb407fe1db0f 51 {
williequesada 0:fb407fe1db0f 52 mbedtls_entropy_context entropy;
williequesada 0:fb407fe1db0f 53 mbedtls_entropy_init( &entropy );
williequesada 0:fb407fe1db0f 54
williequesada 0:fb407fe1db0f 55 mbedtls_ctr_drbg_context ctr_drbg;
williequesada 0:fb407fe1db0f 56 mbedtls_ctr_drbg_init(&ctr_drbg);
williequesada 0:fb407fe1db0f 57
williequesada 0:fb407fe1db0f 58 mbedtls_pk_context PrivateKey; // Crea la llave
williequesada 0:fb407fe1db0f 59 mbedtls_pk_init(&PrivateKey); // Inicializa la llave
williequesada 0:fb407fe1db0f 60
williequesada 0:fb407fe1db0f 61 mbedtls_pk_context PublicKey; // Crea la llave
williequesada 0:fb407fe1db0f 62 mbedtls_pk_init(&PublicKey); // Inicializa la llave
williequesada 0:fb407fe1db0f 63
williequesada 0:fb407fe1db0f 64 int ret;
williequesada 0:fb407fe1db0f 65 size_t olen = 0;
williequesada 0:fb407fe1db0f 66 uint8_t error[100];
williequesada 0:fb407fe1db0f 67 size_t errorlen=100;
williequesada 0:fb407fe1db0f 68 int SizeOutputKey;
williequesada 0:fb407fe1db0f 69 const char *pers = "mbedtls_pk_encrypt";
williequesada 0:fb407fe1db0f 70
williequesada 0:fb407fe1db0f 71 // ------------------------Random number generator---------------------------
williequesada 0:fb407fe1db0f 72 if( ( ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, (const unsigned char*)pers, strlen(pers))) != 0)
williequesada 0:fb407fe1db0f 73 {
williequesada 0:fb407fe1db0f 74 printf( "Entropy generator fail\n");
williequesada 0:fb407fe1db0f 75 printf(" Ret: 0x%04x\n",ret);
williequesada 0:fb407fe1db0f 76 mbedtls_strerror(ret,(char*)error,errorlen);
williequesada 0:fb407fe1db0f 77 printf( "Error: %s\n",error);
williequesada 0:fb407fe1db0f 78 } else {
williequesada 0:fb407fe1db0f 79 printf( "Entropy generator ok\n");
williequesada 0:fb407fe1db0f 80 }
williequesada 0:fb407fe1db0f 81
williequesada 0:fb407fe1db0f 82 // ------------------------Create the public keys---------------------------
williequesada 0:fb407fe1db0f 83 if ((ret=mbedtls_pk_parse_public_key(&PublicKey, PublicKeyTXT, sizeof(PublicKeyTXT))) != 0)
williequesada 0:fb407fe1db0f 84 {
williequesada 0:fb407fe1db0f 85 printf( "Public key fail\n");
williequesada 0:fb407fe1db0f 86 printf(" Ret: 0x%04x\n",ret);
williequesada 0:fb407fe1db0f 87 mbedtls_strerror(ret,(char*)error,errorlen);
williequesada 0:fb407fe1db0f 88 printf( "Error: %s\n",error);
williequesada 0:fb407fe1db0f 89 } else {
williequesada 0:fb407fe1db0f 90 printf( "Public key ok ");
williequesada 0:fb407fe1db0f 91 SizeOutputKey=mbedtls_pk_get_len(&PublicKey);
williequesada 0:fb407fe1db0f 92 printf("--> %i\n",SizeOutputKey);
williequesada 0:fb407fe1db0f 93 }
williequesada 0:fb407fe1db0f 94 printf( "Llave publica: \n%s\n\n",PublicKeyTXT);
williequesada 0:fb407fe1db0f 95
williequesada 0:fb407fe1db0f 96 // -----------------------Create the private keys---------------------------
williequesada 0:fb407fe1db0f 97 if ((ret=mbedtls_pk_parse_key(&PrivateKey, PrivateKeyTXT, sizeof(PrivateKeyTXT), NULL, 0)) != 0)
williequesada 0:fb407fe1db0f 98 {
williequesada 0:fb407fe1db0f 99 printf( "Private key fail\n");
williequesada 0:fb407fe1db0f 100 printf(" Ret: 0x%04x\n",ret);
williequesada 0:fb407fe1db0f 101 mbedtls_strerror(ret,(char*)error,errorlen);
williequesada 0:fb407fe1db0f 102 printf( "Error: %s\n",error);
williequesada 0:fb407fe1db0f 103 } else {
williequesada 0:fb407fe1db0f 104 printf( "Private key ok ");
williequesada 0:fb407fe1db0f 105 SizeOutputKey=mbedtls_pk_get_len(&PrivateKey);
williequesada 0:fb407fe1db0f 106 printf("--> %i\n",SizeOutputKey);
williequesada 0:fb407fe1db0f 107 }
williequesada 0:fb407fe1db0f 108 printf( "Llave privada: \n%s\n\n",PrivateKeyTXT);
williequesada 0:fb407fe1db0f 109
williequesada 0:fb407fe1db0f 110 // ------------------------Check the pair of keys before--------------------
williequesada 0:fb407fe1db0f 111 if ((ret=mbedtls_pk_check_pair(&PublicKey,&PrivateKey))!= 0)
williequesada 0:fb407fe1db0f 112 {
williequesada 0:fb407fe1db0f 113 printf( "\n\nKeys check fail\n");
williequesada 0:fb407fe1db0f 114 mbedtls_strerror(ret,(char*)error,errorlen);
williequesada 0:fb407fe1db0f 115 printf( "Error: %s\n",error);
williequesada 0:fb407fe1db0f 116 } else {
williequesada 0:fb407fe1db0f 117 printf( "Keys check ok\n\n");
williequesada 0:fb407fe1db0f 118 }
williequesada 0:fb407fe1db0f 119 //--------------------------------Encryption--------------------------------
williequesada 0:fb407fe1db0f 120 if ((ret=mbedtls_pk_encrypt(&PublicKey, Message, sizeof(Message)-1,Encryption, &olen, 200 ,mbedtls_ctr_drbg_random, &ctr_drbg)) != 0)
williequesada 0:fb407fe1db0f 121 {
williequesada 0:fb407fe1db0f 122 printf("Encrypt failed\n");
williequesada 0:fb407fe1db0f 123 printf("Ret: 0x%04x, Olen: %i,\n",ret,olen);
williequesada 0:fb407fe1db0f 124 mbedtls_strerror(ret,(char*)error,errorlen);
williequesada 0:fb407fe1db0f 125 printf( "Error: %s\n",error);
williequesada 0:fb407fe1db0f 126 }
williequesada 0:fb407fe1db0f 127 else
williequesada 0:fb407fe1db0f 128 { printf(" Encrypt ok\n");
williequesada 0:fb407fe1db0f 129 printf(" Ret: 0x%04x, Olen: %i,\n",ret,olen);
williequesada 0:fb407fe1db0f 130 printf(" Encryt message: %s\n",Encryption); // should be "0xFF...."
williequesada 0:fb407fe1db0f 131 printf(" \n");
williequesada 0:fb407fe1db0f 132 }
williequesada 0:fb407fe1db0f 133
williequesada 0:fb407fe1db0f 134 //--------------------------------Decryption--------------------------------
williequesada 0:fb407fe1db0f 135 if((ret=mbedtls_pk_decrypt(&PrivateKey, Encryption, 128, Decryption, &olen, 1024,mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
williequesada 0:fb407fe1db0f 136 {
williequesada 0:fb407fe1db0f 137 printf( "Decrypt failed\n");
williequesada 0:fb407fe1db0f 138 printf(" Ret: 0x%04x, Olen: %i,\n",ret,olen);
williequesada 0:fb407fe1db0f 139 mbedtls_strerror(ret,(char*)error,errorlen);
williequesada 0:fb407fe1db0f 140 printf( "Error: %s\n",error);
williequesada 0:fb407fe1db0f 141 }
williequesada 0:fb407fe1db0f 142 else
williequesada 0:fb407fe1db0f 143 {
williequesada 0:fb407fe1db0f 144 printf(" Decryption Ok\n");
williequesada 0:fb407fe1db0f 145 printf(" Decryption message: %s\n",Decryption); // should be "Hola mundo"
williequesada 0:fb407fe1db0f 146 }
williequesada 0:fb407fe1db0f 147
williequesada 0:fb407fe1db0f 148
williequesada 0:fb407fe1db0f 149 printf( "\nMensaje original: %s\n\n",Message);
williequesada 0:fb407fe1db0f 150 printf( "Mensaje encriptado: %s\n\n",Encryption);
williequesada 0:fb407fe1db0f 151 printf( "Mensaje encriptado HEX: ");
williequesada 0:fb407fe1db0f 152 for(int i=0; i<=130; i++){
williequesada 0:fb407fe1db0f 153 printf(" %02x",Encryption[i]);
williequesada 0:fb407fe1db0f 154 }
williequesada 0:fb407fe1db0f 155 printf(" \n\n");
williequesada 0:fb407fe1db0f 156 printf( "Mensaje desencriptado: %s\n\n",Decryption);
williequesada 0:fb407fe1db0f 157
williequesada 0:fb407fe1db0f 158 size_t *Olen2;
williequesada 0:fb407fe1db0f 159 mbedtls_base64_encode(Encryption1,200,Olen2,Encryption,128);
williequesada 0:fb407fe1db0f 160 printf( "Mensaje encriptado: %s\n\n",Encryption1);
williequesada 0:fb407fe1db0f 161 printf( "Mensaje encriptado: %i\n\n",Olen2);
williequesada 0:fb407fe1db0f 162
williequesada 0:fb407fe1db0f 163 mbedtls_pk_free(&PrivateKey); // Inicializa la llave
williequesada 0:fb407fe1db0f 164 mbedtls_pk_free(&PublicKey); // Inicializa la llave
williequesada 0:fb407fe1db0f 165 mbedtls_ctr_drbg_free( &ctr_drbg );
williequesada 0:fb407fe1db0f 166 mbedtls_entropy_free( &entropy );
williequesada 0:fb407fe1db0f 167
williequesada 0:fb407fe1db0f 168 while(1) {
williequesada 0:fb407fe1db0f 169
williequesada 0:fb407fe1db0f 170 }
williequesada 0:fb407fe1db0f 171 }
williequesada 0:fb407fe1db0f 172
williequesada 0:fb407fe1db0f 173
williequesada 0:fb407fe1db0f 174
williequesada 0:fb407fe1db0f 175
williequesada 0:fb407fe1db0f 176