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Encypting_Funcional
Diff: main.cpp
- Revision:
- 0:fb407fe1db0f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Jun 04 17:53:15 2019 +0000 @@ -0,0 +1,176 @@ +#include "mbed.h" +#include <stdio.h> +#include <stdlib.h> + +#include "mbedtls/rsa.h" +#include "mbedtls/pk.h" +#include "mbedtls/base64.h" +#include "mbedtls/ctr_drbg.h" +#include "mbedtls/error.h" +#include "mbedtls/ctr_drbg.h" +#include "mbedtls/platform.h" +#include "mbedtls/entropy.h" + +// ------------------Examples keys from http://travistidwell.com/jsencrypt/demo/ + +static const uint8_t PrivateKeyTXT[] = +"-----BEGIN RSA PRIVATE KEY-----\n" +"MIICXQIBAAKBgQCtlciI/Mk4fkxeOwiB0iwiBmoSyhqQNKBg+KmzpZDcLkl8ShDY\n" +"/BjZjW9UXYX8ptCHwV9WU4ltdA4fBTm51m52fOGvZPODurIbNEnaFMRn9hsDJRA6\n" +"adz32XRQVsjQYLMnQnlaMYGKvuatHPPK/ZCuJRmdttiijs3t/bmCU/Vi8wIDAQAB\n" +"AoGBAJ9alhJMHl3idDE9eH3Vd/Z0dQRyzRf9eA4NuZzWLbo0M/oJ9JV+OUHe+Yk1\n" +"oj9i1KUL/H2/irYUiLIplejo1dYkpdD8gEBpNK5HLh9rd2IPxyyS8PkkeKwWnj35\n" +"4N4CEf8d8+JF/VA2KvPVyqUC8m8JAFwQkNioyZmGnFhJ/m5hAkEA4irJ4emRtr5T\n" +"U2ic4Vbvb7k8rnh/xBpPRtJbx219VQItxFECdm6bIExZevVNGZx2YKZIsklVUIbu\n" +"wFjBzXY/JQJBAMR7Z3fEKK2NqX+BgbecdPimYce0QSbMpZ1Co9U6tts3yT2sKaqQ\n" +"8Zz0l8/0eNQlBe9PUBywwhRhkplqOE2e6jcCQCcez5zMEfBSK4eZ6MjxiKkCmYR0\n" +"Q2VgR6YwbL+qKKuznMcAXDSwHRURH8ks9REhBzjgimKMXL15GYMb1yn68iECQC/A\n" +"rkz1Z82GeIN8vkIZzHQCPBGFRbBgXH/0Ck1wj7CHxmkuxpGl2JME/0CTcipdNSwM\n" +"YrQWYZUCgda3cierT9ECQQDZUgRkBsVsL60neHskYq2xCJO7RGxwrqekBvtXjo4i\n" +"6IHgjeagH9Mf1hLVZQ7aPU3EFwk4jcb6FOhTqSqrZWKH\n" +"-----END RSA PRIVATE KEY-----\n"; + +static const uint8_t PublicKeyTXT[] = +"-----BEGIN PUBLIC KEY-----\n" +"MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCtlciI/Mk4fkxeOwiB0iwiBmoS\n" +"yhqQNKBg+KmzpZDcLkl8ShDY/BjZjW9UXYX8ptCHwV9WU4ltdA4fBTm51m52fOGv\n" +"ZPODurIbNEnaFMRn9hsDJRA6adz32XRQVsjQYLMnQnlaMYGKvuatHPPK/ZCuJRmd\n" +"ttiijs3t/bmCU/Vi8wIDAQAB\n" +"-----END PUBLIC KEY-----\n"; + +// Privada ---> Encriptacion +// Publica ---> Desencripta + +uint8_t Message[] ="{\"municipio\":\"Santa Ana\",\"id\":1067,\"place\":\"2222\",\"time\":120,\"t2\":\"%5303105315252296=2108?\"}1111111199999991111111111"; +uint8_t Encryption1[200]; +uint8_t Encryption[200]; +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"; +uint8_t Decryption[200]; + +int main() +{ + mbedtls_entropy_context entropy; + mbedtls_entropy_init( &entropy ); + + mbedtls_ctr_drbg_context ctr_drbg; + mbedtls_ctr_drbg_init(&ctr_drbg); + + mbedtls_pk_context PrivateKey; // Crea la llave + mbedtls_pk_init(&PrivateKey); // Inicializa la llave + + mbedtls_pk_context PublicKey; // Crea la llave + mbedtls_pk_init(&PublicKey); // Inicializa la llave + + int ret; + size_t olen = 0; + uint8_t error[100]; + size_t errorlen=100; + int SizeOutputKey; + const char *pers = "mbedtls_pk_encrypt"; + + // ------------------------Random number generator--------------------------- + if( ( ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, (const unsigned char*)pers, strlen(pers))) != 0) + { + printf( "Entropy generator fail\n"); + printf(" Ret: 0x%04x\n",ret); + mbedtls_strerror(ret,(char*)error,errorlen); + printf( "Error: %s\n",error); + } else { + printf( "Entropy generator ok\n"); + } + + // ------------------------Create the public keys--------------------------- + if ((ret=mbedtls_pk_parse_public_key(&PublicKey, PublicKeyTXT, sizeof(PublicKeyTXT))) != 0) + { + printf( "Public key fail\n"); + printf(" Ret: 0x%04x\n",ret); + mbedtls_strerror(ret,(char*)error,errorlen); + printf( "Error: %s\n",error); + } else { + printf( "Public key ok "); + SizeOutputKey=mbedtls_pk_get_len(&PublicKey); + printf("--> %i\n",SizeOutputKey); + } + printf( "Llave publica: \n%s\n\n",PublicKeyTXT); + + // -----------------------Create the private keys--------------------------- + if ((ret=mbedtls_pk_parse_key(&PrivateKey, PrivateKeyTXT, sizeof(PrivateKeyTXT), NULL, 0)) != 0) + { + printf( "Private key fail\n"); + printf(" Ret: 0x%04x\n",ret); + mbedtls_strerror(ret,(char*)error,errorlen); + printf( "Error: %s\n",error); + } else { + printf( "Private key ok "); + SizeOutputKey=mbedtls_pk_get_len(&PrivateKey); + printf("--> %i\n",SizeOutputKey); + } + printf( "Llave privada: \n%s\n\n",PrivateKeyTXT); + + // ------------------------Check the pair of keys before-------------------- + if ((ret=mbedtls_pk_check_pair(&PublicKey,&PrivateKey))!= 0) + { + printf( "\n\nKeys check fail\n"); + mbedtls_strerror(ret,(char*)error,errorlen); + printf( "Error: %s\n",error); + } else { + printf( "Keys check ok\n\n"); + } + //--------------------------------Encryption-------------------------------- + if ((ret=mbedtls_pk_encrypt(&PublicKey, Message, sizeof(Message)-1,Encryption, &olen, 200 ,mbedtls_ctr_drbg_random, &ctr_drbg)) != 0) + { + printf("Encrypt failed\n"); + printf("Ret: 0x%04x, Olen: %i,\n",ret,olen); + mbedtls_strerror(ret,(char*)error,errorlen); + printf( "Error: %s\n",error); + } + else + { printf(" Encrypt ok\n"); + printf(" Ret: 0x%04x, Olen: %i,\n",ret,olen); + printf(" Encryt message: %s\n",Encryption); // should be "0xFF...." + printf(" \n"); + } + + //--------------------------------Decryption-------------------------------- + if((ret=mbedtls_pk_decrypt(&PrivateKey, Encryption, 128, Decryption, &olen, 1024,mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 ) + { + printf( "Decrypt failed\n"); + printf(" Ret: 0x%04x, Olen: %i,\n",ret,olen); + mbedtls_strerror(ret,(char*)error,errorlen); + printf( "Error: %s\n",error); + } + else + { + printf(" Decryption Ok\n"); + printf(" Decryption message: %s\n",Decryption); // should be "Hola mundo" + } + + + printf( "\nMensaje original: %s\n\n",Message); + printf( "Mensaje encriptado: %s\n\n",Encryption); + printf( "Mensaje encriptado HEX: "); + for(int i=0; i<=130; i++){ + printf(" %02x",Encryption[i]); + } + printf(" \n\n"); + printf( "Mensaje desencriptado: %s\n\n",Decryption); + + size_t *Olen2; + mbedtls_base64_encode(Encryption1,200,Olen2,Encryption,128); + printf( "Mensaje encriptado: %s\n\n",Encryption1); + printf( "Mensaje encriptado: %i\n\n",Olen2); + + mbedtls_pk_free(&PrivateKey); // Inicializa la llave + mbedtls_pk_free(&PublicKey); // Inicializa la llave + mbedtls_ctr_drbg_free( &ctr_drbg ); + mbedtls_entropy_free( &entropy ); + + while(1) { + + } +} + + + + +