ECC key to string
This commit is contained in:
atul.jha
parent
eca211d2de
commit
c422a95a43
@ -28,11 +28,11 @@ int readUDS(uint8_t* UDSdigest)
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for (int i = 0; i < UDS_SIZE; i++)
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printf("%x", UDSbuf[i]);
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printf("%hhx", UDSbuf[i]);
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printf(" : fuse secret\n" );
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for (int i = 0; i < UDS_DGST_SIZE; i++)
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printf("%x", UDSdigest[i]);
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printf("%hhx", UDSdigest[i]);
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printf(" : UDS ID\n" );
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free(UDSbuf);
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@ -78,7 +78,7 @@ int readFWID(uint8_t* FW_M)
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//printf("File contnts : %s\n", source);
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for(int i = 0; i < FW_DGST_SIZE; i++)
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printf("%x",FW_M[i]);
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printf("%hhx",FW_M[i]);
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printf(" : FW digest\n");
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//free(source);
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@ -133,7 +133,7 @@ int _calcCDID(uint8_t * CDID)
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}
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for(int i = 0; i < CDI_DGST_SIZE; i++)
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printf("%x",CDID[i]);
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printf("%hhx",CDID[i]);
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printf(" : CDID\n");
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free(UDS_ID);
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@ -154,7 +154,7 @@ int _calcCDIKEY(uint8_t * CDIKEY)
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_calcCDID(KEYIN);
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for(int i = 0; i < SHA256_DGST_SIZE; i++)
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printf("%x",KEYIN[i]);
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printf("%hhx",KEYIN[i]);
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printf(" : CDID main\n");
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const mbedtls_md_info_t * md_info;
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@ -174,7 +174,7 @@ int _calcCDIKEY(uint8_t * CDIKEY)
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//mbedtls_hkdf_extract( md_info, salt, sizeof(salt),KEYIN, CDI_DGST_SIZE, CDIKEY);
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for(int i = 0; i < CDI_KEY_SIZE; i++)
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printf("%x",CDIKEY[i]);
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printf("%hhx",CDIKEY[i]);
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printf(" : CDIKEY\n");
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free(KEYIN);
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@ -182,11 +182,32 @@ int _calcCDIKEY(uint8_t * CDIKEY)
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return RIOTSUCCESS;
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}
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//firt generate ECC/RSA key. - Done ECC
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//check for deterministic consistency - inconsistent
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//seed RNGs with CDI
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//let's see how it goes
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//add entropy source?
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//seed RNG
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//create ctx
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//init
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//gen keypair
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int deriveECCKeyPair(mbedtls_mpi * SK, mbedtls_ecp_point * PK)
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{
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printf("inside deriveECCKeyPair layer1\n\n");
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int ret = 0;
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unsigned char pubkeybuf[100];
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size_t pubkeysize;
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char privkeybuf[100];
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size_t privkeysize;
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mbedtls_ecp_group ecpGrp;
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mbedtls_ecp_group_init(&ecpGrp);
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mbedtls_ecp_group_load(&ecpGrp, ECC_CURVE);
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@ -204,12 +225,58 @@ int deriveECCKeyPair(mbedtls_mpi * SK, mbedtls_ecp_point * PK)
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mbedtls_ctr_drbg_init(&drbgCtx);
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//Seed drbg with secret data now?
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//move "private" string to n param
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if(mbedtls_ctr_drbg_seed(&drbgCtx, mbedtls_entropy_func, &entropyCtx,
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(const unsigned char *) "Private", sizeof("Private")) < 0)
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{
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perror("drbg seed failed\v");
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return RIOTFAILURE;
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}
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int ret = mbedtls_ctr_drbg_seed(&drbgCtx, mbedtls_entropy_func, &entropyCtx,
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(const unsigned char *) "Private", sizeof("Private"));
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if(mbedtls_ecp_gen_keypair(&ecpGrp, &secret, &Public,
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mbedtls_ctr_drbg_random, &drbgCtx) <0)
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{
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perror("ECP gen keypair failed\n");
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return RIOTFAILURE;
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}
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ret = mbedtls_ecp_tls_write_point(&ecpGrp, &Public, MBEDTLS_ECP_PF_UNCOMPRESSED,
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&pubkeysize, pubkeybuf, sizeof(pubkeybuf));
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if(ret < 0)
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{
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perror("ECP write point failure\n");
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return RIOTFAILURE;
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}
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//printf("%zu : pubkeysize\n", pubkeysize );
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for(int i = 0; i < pubkeysize; i++)
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printf("%hhx",pubkeybuf[i]);
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printf(" : PubKey\n");
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// ret = mbedtls_mpi_write_binary(&secret, privkeybuf, 100);
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// if(ret < 0)
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// {
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// printf("%d\n", ret);
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// perror("MPI write point failure\n");
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// return RIOTFAILURE;
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// }
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// for(int i = 0; i < 100; i++)
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// printf("%x",privkeybuf[i]);
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// printf(" : PrivKey\n\n\n");
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ret = mbedtls_mpi_write_string(&secret, 16, privkeybuf, sizeof(privkeybuf), &privkeysize);
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if(ret < 0)
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{
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printf("%d\n", ret);
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perror("MPI write point to string failure\n");
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return RIOTFAILURE;
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}
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//printf("%zu : privkeysize\n", privkeysize);
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//for(int i = 0; i < privkeysize; i++)
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printf("%s : PrivKey\n",privkeybuf);
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ret = mbedtls_ecp_gen_keypair(&ecpGrp, &secret, &Public,
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mbedtls_ctr_drbg_random, &drbgCtx);
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mbedtls_ecp_copy(PK, &Public);
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mbedtls_mpi_copy(SK, &secret);
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@ -241,7 +308,7 @@ int deriveRSAKeyPair(void)
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mbedtls_ctr_drbg_init(&drbgCtx);
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//Seed drbg with secret data now?
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//move "private" string to n param
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int ret = mbedtls_ctr_drbg_seed(&drbgCtx, mbedtls_entropy_func, &entropyCtx,
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(const unsigned char *) "Private", sizeof("Private"));
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@ -5,3 +5,17 @@ https://www.cryptopp.com/wiki/
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/usr/include/crypto++/
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/usr/share/doc/libcrypto++-dev/Readme.txt.gz
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adding /dev/random to entropy -
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mbedtls_entropy_add_source( &entropy, dev_random_entropy_poll,
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NULL, DEV_RANDOM_THRESHOLD,
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MBEDTLS_ENTROPY_SOURCE_STRONG ) ) != 0 )
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@ -6,90 +6,9 @@
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</df>
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<df name="keys">
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</df>
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<df name="lib">
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</df>
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<df name="mbedtls">
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<in>aes.h</in>
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<in>aesni.h</in>
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<in>arc4.h</in>
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<in>aria.h</in>
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<in>asn1.h</in>
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<in>asn1write.h</in>
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<in>base64.h</in>
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<in>bignum.h</in>
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<in>blowfish.h</in>
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<in>bn_mul.h</in>
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<in>camellia.h</in>
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<in>ccm.h</in>
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<in>certs.h</in>
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<in>chacha20.h</in>
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<in>chachapoly.h</in>
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<in>check_config.h</in>
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<in>cipher.h</in>
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<in>cipher_internal.h</in>
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<in>cmac.h</in>
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<in>compat-1.3.h</in>
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<in>config.h</in>
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<in>ctr_drbg.h</in>
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<in>debug.h</in>
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<in>des.h</in>
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<in>dhm.h</in>
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<in>ecdh.h</in>
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<in>ecdsa.h</in>
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<in>ecjpake.h</in>
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<in>ecp.h</in>
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<in>ecp_internal.h</in>
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<in>entropy.h</in>
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<in>entropy_poll.h</in>
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<in>error.h</in>
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<in>gcm.h</in>
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<in>havege.h</in>
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<in>hkdf.h</in>
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<in>hmac_drbg.h</in>
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<in>md.h</in>
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<in>md2.h</in>
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<in>md4.h</in>
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<in>md5.h</in>
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<in>md_internal.h</in>
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<in>memory_buffer_alloc.h</in>
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<in>net.h</in>
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<in>net_sockets.h</in>
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<in>nist_kw.h</in>
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<in>oid.h</in>
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<in>padlock.h</in>
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<in>pem.h</in>
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<in>pk.h</in>
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<in>pk_internal.h</in>
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<in>pkcs11.h</in>
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<in>pkcs12.h</in>
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<in>pkcs5.h</in>
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<in>platform.h</in>
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<in>platform_time.h</in>
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<in>platform_util.h</in>
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<in>poly1305.h</in>
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<in>ripemd160.h</in>
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<in>rsa.h</in>
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<in>rsa_internal.h</in>
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<in>sha1.h</in>
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<in>sha256.h</in>
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<in>sha512.h</in>
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<in>ssl.h</in>
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<in>ssl_cache.h</in>
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<in>ssl_ciphersuites.h</in>
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<in>ssl_cookie.h</in>
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<in>ssl_internal.h</in>
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<in>ssl_ticket.h</in>
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<in>threading.h</in>
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<in>timing.h</in>
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<in>version.h</in>
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<in>x509.h</in>
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<in>x509_crl.h</in>
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<in>x509_crt.h</in>
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<in>x509_csr.h</in>
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<in>xtea.h</in>
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</df>
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<df name="out">
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</df>
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<in>ECCtrial.c</in>
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<in>defines.h</in>
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<in>layer1.c</in>
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<in>layer1.h</in>
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@ -7,4 +7,14 @@
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<activeConfTypeElem>0</activeConfTypeElem>
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<activeConfIndexElem>0</activeConfIndexElem>
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</data>
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<editor-bookmarks xmlns="http://www.netbeans.org/ns/editor-bookmarks/2" lastBookmarkId="0"/>
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<open-files xmlns="http://www.netbeans.org/ns/projectui-open-files/2">
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<group>
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<file>file:/home/atul/Projects/GIT/RIoT/openSSL-DICE/trial3/layer2.c</file>
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<file>file:/home/atul/Projects/GIT/RIoT/openSSL-DICE/trial3/layer1.c</file>
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<file>file:/home/atul/Projects/GIT/RIoT/openSSL-DICE/trial3/nbproject/private/launcher.properties</file>
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<file>file:/home/atul/Projects/GIT/RIoT/openSSL-DICE/trial3/makefile</file>
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<file>file:/home/atul/Projects/GIT/RIoT/openSSL-DICE/trial3/main.c</file>
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</group>
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</open-files>
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</project-private>
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BIN
trial3/out/main
BIN
trial3/out/main
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