This tutorial will guide you on how to hash a string by using OpenSSL’s RIPEMD hash function. This tutorial will create two C++ example files which will compile and run in Ubuntu environment.
- Here are the openssl RIPEMD sample source code.
Example #1: ripemd_sample1.cpp1234567891011121314151617181920#include <stdio.h>#include <string.h>#include <openssl/ripemd.h>int main(){unsigned char digest[RIPEMD160_DIGEST_LENGTH];char string[] = "hello world";RIPEMD160((unsigned char*)&string, strlen(string), (unsigned char*)&digest);char mdString[RIPEMD160_DIGEST_LENGTH*2+1];for(int i = 0; i < RIPEMD160_DIGEST_LENGTH; i++)sprintf(&mdString[i*2], "%02x", (unsigned int)digest[i]);printf("RIPEMD160 digest: %s\n", mdString);return 0;}
Example #2: ripemd_sample2.cpp123456789101112131415161718192021#include <stdio.h>#include <string.h>#include <openssl/ripemd.h>int main() {unsigned char digest[RIPEMD160_DIGEST_LENGTH];const char* string = "hello world";RIPEMD160_CTX ctx;RIPEMD160_Init(&ctx);RIPEMD160_Update(&ctx, string, strlen(string));RIPEMD160_Final(digest, &ctx);char mdString[RIPEMD160_DIGEST_LENGTH*2+1];for (int i = 0; i < RIPEMD160_DIGEST_LENGTH; i++)sprintf(&mdString[i*2], "%02x", (unsigned int)digest[i]);printf("RIPEMD160 digest: %s\n", mdString);return 0;} - Let’s try to compile both sample cpp files and you should observe the following output screenshot.
Note: -lcrypto will include the crypto library from openssl~$ gcc ripemd_sample1.cpp -o sample1 -lcrypto
~$ ./sample1
RIPEMD160 digest: 98c615784ccb5fe5936fbc0cbe9dfdb408d92f0f
~$ gcc ripemd_sample2.cpp -o sample2 -lcrypto
~$ ./sample2
RIPEMD160 digest: 98c615784ccb5fe5936fbc0cbe9dfdb408d92f0f
when i tried sudo apt-get install sqlite3-dev i got this error (Unable to locate package sqlite3-dev)
i think that you mean libsqlite3-dev.
yes. it’s libsqlite3-dev
pls refers to http://www.askyb.com/sqlite/installing-sqlite-in-ubuntu/