| | |
| | | #include <openssl/evp.h> |
| | | #include <openssl/bio.h> |
| | | #include <openssl/pem.h> |
| | | |
| | | #include <openssl/err.h> |
| | | #include <iostream> |
| | | namespace license { |
| | | |
| | | using namespace std; |
| | |
| | | } |
| | | |
| | | bool OsFunctions::verifySignature(const char* stringToVerify, |
| | | const char* signature) { |
| | | const char* signatureB64) { |
| | | EVP_MD_CTX *mdctx = NULL; |
| | | |
| | | char *pubKey = PUBLIC_KEY |
| | | ; |
| | | |
| | | BIO* bio = BIO_new_mem_buf((void*) (pubKey), strlen(pubKey)); |
| | | RSA *rsa = PEM_read_bio_RSAPublicKey(bio, NULL,NULL,NULL); |
| | | RSA *rsa = PEM_read_bio_RSAPublicKey(bio, NULL, NULL, NULL); |
| | | BIO_free(bio); |
| | | if (rsa == NULL) { |
| | | cout<<"cippa!"<<endl; |
| | | throw new logic_error("Error reading public key"); |
| | | } |
| | | EVP_PKEY *pkey = EVP_PKEY_new(); |
| | | |
| | | EVP_PKEY_assign_RSA(pkey, rsa); |
| | | cout << "test:" <<EVP_PKEY_assign_RSA(pkey, rsa)<<endl; |
| | | |
| | | /*BIO* bo = BIO_new(BIO_s_mem()); |
| | | BIO_write(bo, pubKey, strlen(pubKey)); |
| | |
| | | |
| | | //RSA* rsa = EVP_PKEY_get1_RSA( key ); |
| | | //RSA * pubKey = d2i_RSA_PUBKEY(NULL, <der encoded byte stream pointer>, <num bytes>); |
| | | unsigned char buffer[129]; |
| | | BIO* b64 = BIO_new(BIO_f_base64()); |
| | | BIO* encoded_signature = BIO_new_mem_buf((void *) signatureB64, |
| | | strlen(signatureB64)); |
| | | BIO* biosig = BIO_push(b64, encoded_signature); |
| | | BIO_set_flags(biosig, BIO_FLAGS_BASE64_NO_NL); //Do not use newlines to flush buffer |
| | | unsigned int len = BIO_read(biosig, (void *) buffer, strlen(signatureB64)); |
| | | //Can test here if len == decodeLen - if not, then return an error |
| | | buffer[len] = 0; |
| | | |
| | | BIO_free_all(biosig); |
| | | |
| | | /* Create the Message Digest Context */ |
| | | if (!(mdctx = EVP_MD_CTX_create())) { |
| | | throw new logic_error("Error creating context"); |
| | |
| | | if (1 != EVP_DigestVerifyInit(mdctx, NULL, EVP_sha256(), NULL, pkey)) { |
| | | throw new logic_error("Error initializing digest"); |
| | | } |
| | | |
| | | int en=strlen(stringToVerify); |
| | | if (1 |
| | | != EVP_DigestVerifyUpdate(mdctx, stringToVerify, |
| | | strlen(stringToVerify))) { |
| | | en)) { |
| | | throw new logic_error("Error initializing digest"); |
| | | } |
| | | if (1 |
| | | == EVP_DigestVerifyFinal(mdctx, (unsigned char *) signature, |
| | | (unsigned long int) strlen(signature))) { |
| | | return true; |
| | | bool result; |
| | | int res= EVP_DigestVerifyFinal(mdctx, buffer, len); |
| | | if (1 == res) { |
| | | result = true; |
| | | } else { |
| | | result = false; |
| | | } |
| | | if (pkey) { |
| | | EVP_PKEY_free(pkey); |
| | | } |
| | | if (mdctx) { |
| | | EVP_MD_CTX_destroy(mdctx); |
| | | } |
| | | return result; |
| | | } |
| | | |
| | | return false; |
| | | void OsFunctions::initialize() { |
| | | static bool initialized = false; |
| | | if (!initialized) { |
| | | initialized = true; |
| | | ERR_load_ERR_strings(); |
| | | ERR_load_crypto_strings(); |
| | | OpenSSL_add_all_algorithms(); |
| | | } |
| | | } |
| | | |
| | |
| | | // |
| | | bool rc = true; |
| | | /*__asm__ ( |
| | | "push %edx\n" |
| | | "push %ecx\n" |
| | | "push %ebx\n" |
| | | "mov %eax, 'VMXh'\n" |
| | | "mov %ebx, 0\n" // any value but not the MAGIC VALUE |
| | | "mov %ecx, 10\n"// get VMWare version |
| | | "mov %edx, 'VX'\n"// port number |
| | | "in %eax, dx\n"// read port on return EAX returns the VERSION |
| | | "cmp %ebx, 'VMXh'\n"// is it a reply from VMWare? |
| | | "setz [rc] \n"// set return value |
| | | "pop %ebx \n" |
| | | "pop %ecx \n" |
| | | "pop %edx \n" |
| | | );*/ |
| | | "push %edx\n" |
| | | "push %ecx\n" |
| | | "push %ebx\n" |
| | | "mov %eax, 'VMXh'\n" |
| | | "mov %ebx, 0\n" // any value but not the MAGIC VALUE |
| | | "mov %ecx, 10\n"// get VMWare version |
| | | "mov %edx, 'VX'\n"// port number |
| | | "in %eax, dx\n"// read port on return EAX returns the VERSION |
| | | "cmp %ebx, 'VMXh'\n"// is it a reply from VMWare? |
| | | "setz [rc] \n"// set return value |
| | | "pop %ebx \n" |
| | | "pop %ecx \n" |
| | | "pop %edx \n" |
| | | );*/ |
| | | |
| | | return NONE; |
| | | } |