2 files changed, 28 insertions, 0 deletions
diff --git a/works/life/information-security-experiment/md5.cpp b/works/life/information-security-experiment/md5.cpp
index e69de29..245f204 100644
--- a/works/life/information-security-experiment/md5.cpp
+++ b/works/life/information-security-experiment/md5.cpp
@@ -0,0 +1,27 @@
+#include <algorithm>
+#include <ios>
+#include <openssl/evp.h>
+
+#include <iomanip>
+#include <iostream>
+
+int main() {
+  EVP_MD_CTX *ctx = EVP_MD_CTX_create();
+  EVP_DigestInit_ex(ctx, EVP_md5(), NULL);
+
+  EVP_DigestUpdate(ctx, "abc", 3);
+
+  unsigned char digest[EVP_MAX_MD_SIZE];
+  unsigned int digest_size;
+  EVP_DigestFinal_ex(ctx, digest, &digest_size);
+
+  EVP_MD_CTX_destroy(ctx);
+
+  std::cout << "MD5 digest of 'abc' is: " << std::hex << std::setfill('0');
+  for (unsigned int i = 0; i < digest_size; i++) {
+    std::cout << std::setw(2) << (int)digest[i];
+  }
+  std::cout << std::endl;
+
+  return 0;
+}
diff --git a/works/life/information-security-experiment/rsa.cpp b/works/life/information-security-experiment/rsa.cpp
index e69de29..c3aeba4 100644
--- a/works/life/information-security-experiment/rsa.cpp
+++ b/works/life/information-security-experiment/rsa.cpp
@@ -0,0 +1 @@
+int main() { return 0; }
+\ No newline at end of file