| | |
| | | /* |
| | | * LicenseSigner.cpp |
| | | * LicenseSigner.cpp (Windows) |
| | | * |
| | | * Created on: Apr 6, 2014 |
| | | * Author: devel |
| | | */ |
| | | |
| | | #include "LicenseSigner.h" |
| | | #include "private-key.h" |
| | | #include "../LicenseSigner.h" |
| | | #include "../private-key.h" |
| | | #include <stdexcept> |
| | | #include <string.h> |
| | | #include <openssl/evp.h> |
| | | #include <openssl/bio.h> |
| | | #include <openssl/pem.h> |
| | | #include <openssl/err.h> |
| | | #include <iostream> |
| | | #include <cmath> |
| | | |
| | |
| | | } |
| | | |
| | | string LicenseSigner::Opensslb64Encode(size_t slen, unsigned char* signature) { |
| | | /* |
| | | FILE* stream = fmemopen(*buffer, encodedSize+1, "w"); |
| | | */ |
| | | //bio = BIO_new_fp(stdout, BIO_NOCLOSE); |
| | | /*int encodedSize = 4 * ceil(slen / 3); |
| | | char* buffer = (char*) (malloc(encodedSize + 1)); |
| | | memset(buffer,0,encodedSize+1);*/ |
| | | BIO* mem_bio = BIO_new(BIO_s_mem()); |
| | | BIO* b64 = BIO_new(BIO_f_base64()); |
| | | BIO* bio1 = BIO_push(b64, mem_bio); |
| | | BIO_set_flags(bio1, BIO_FLAGS_BASE64_NO_NL); |
| | | BIO_write(bio1, signature, slen); |
| | | BIO_flush(bio1); |
| | | char* charBuf; |
| | | int sz = BIO_get_mem_data(mem_bio, &charBuf); |
| | | string signatureStr; |
| | | signatureStr.assign(charBuf, sz); |
| | | BIO_free_all(bio1); |
| | | return signatureStr; |
| | | |
| | | return NULL; |
| | | } |
| | | |
| | | string LicenseSigner::signString(const string& license) { |
| | | |
| | | size_t slen; |
| | | unsigned char* signature; |
| | | signature = NULL; |
| | | /* Create the Message Digest Context */ |
| | | EVP_MD_CTX* mdctx = EVP_MD_CTX_create(); |
| | | if (!mdctx) { |
| | | throw logic_error("Message digest creation context"); |
| | | } |
| | | const char *private_key = PRIVATE_KEY |
| | | ; |
| | | BIO* bio = BIO_new_mem_buf((void*) (private_key), strlen(private_key)); |
| | | EVP_PKEY *pktmp = PEM_read_bio_PrivateKey(bio, NULL, NULL, NULL); |
| | | BIO_free(bio); |
| | | /*Initialise the DigestSign operation - SHA-256 has been selected |
| | | * as the message digest function in this example */ |
| | | if (1 != EVP_DigestSignInit(mdctx, NULL, EVP_sha256(), NULL, pktmp)) { |
| | | EVP_MD_CTX_destroy(mdctx); |
| | | } |
| | | /* Call update with the message */ |
| | | if (EVP_DigestSignUpdate(mdctx, license.c_str(), license.length()) != 1) { |
| | | EVP_MD_CTX_destroy(mdctx); |
| | | throw logic_error("Message signing exception"); |
| | | } |
| | | /* Finalise the DigestSign operation */ |
| | | /* First call EVP_DigestSignFinal with a NULL sig parameter to obtain the length of the |
| | | * signature. Length is returned in slen */ |
| | | if (EVP_DigestSignFinal(mdctx, NULL, &slen) != 1) { |
| | | EVP_MD_CTX_destroy(mdctx); |
| | | throw logic_error("Message signature finalization exception"); |
| | | } |
| | | /* Allocate memory for the signature based on size in slen */ |
| | | if (!(signature = (unsigned char *) OPENSSL_malloc( |
| | | sizeof(unsigned char) * slen))) { |
| | | EVP_MD_CTX_destroy(mdctx); |
| | | throw logic_error("Message signature memory allocation exception"); |
| | | } |
| | | /* Obtain the signature */ |
| | | if (1 != EVP_DigestSignFinal(mdctx, signature, &slen)) { |
| | | OPENSSL_free(signature); |
| | | EVP_MD_CTX_destroy(mdctx); |
| | | throw logic_error("Message signature exception"); |
| | | } |
| | | /* |
| | | FILE* stream = fmemopen(*buffer, encodedSize+1, "w"); |
| | | */ |
| | | //bio = BIO_new_fp(stdout, BIO_NOCLOSE); |
| | | /*int encodedSize = 4 * ceil(slen / 3); |
| | | char* buffer = (char*) (malloc(encodedSize + 1)); |
| | | memset(buffer,0,encodedSize+1);*/ |
| | | string signatureStr = Opensslb64Encode(slen, signature); |
| | | /* |
| | | * BIO *bio, *b64; |
| | | char message[] = "Hello World \n"; |
| | | b64 = BIO_new(BIO_f_base64()); |
| | | bio = BIO_new_fp(stdout, BIO_NOCLOSE); |
| | | bio = BIO_push(b64, bio); |
| | | BIO_write(bio, message, strlen(message)); |
| | | BIO_flush(bio); |
| | | BIO_free_all(bio); |
| | | Read Base64 encoded data from standard input and write the decoded data to standard output: |
| | | |
| | | BIO *bio, *b64, *bio_out; |
| | | char inbuf[512]; |
| | | int inlen; |
| | | b64 = BIO_new(BIO_f_base64()); |
| | | bio = BIO_new_fp(stdin, BIO_NOCLOSE); |
| | | bio_out = BIO_new_fp(stdout, BIO_NOCLOSE); |
| | | bio = BIO_push(b64, bio); |
| | | while((inlen = BIO_read(bio, inbuf, 512)) > 0) |
| | | BIO_write(bio_out, inbuf, inlen); |
| | | BIO_free_all(bio); |
| | | */ |
| | | /* Clean up */ |
| | | //free(buffer); |
| | | if (pktmp) |
| | | EVP_PKEY_free(pktmp); |
| | | if (signature) |
| | | OPENSSL_free(signature); |
| | | |
| | | if (mdctx) |
| | | EVP_MD_CTX_destroy(mdctx); |
| | | return signatureStr; |
| | | return NULL; |
| | | } |
| | | |
| | | void LicenseSigner::signLicense(FullLicenseInfo& licenseInfo) { |