Data commit

Task/MD4/PARI-GP/md4-1.parigp

@@ -0,0 +1,27 @@
+#include <pari/pari.h>
+#include <openssl/md4.h>
+
+#define HEX(x)  (((x) < 10)? (x)+'0': (x)-10+'a')
+
+/*
+ * PARI/GP func: MD4 hash
+ *
+ * gp code: install("plug_md4", "s", "MD4", "<library path>");
+ */
+GEN plug_md4(char *text)
+{
+  char md[MD4_DIGEST_LENGTH];
+  char hash[sizeof(md) * 2 + 1];
+  int i;
+
+  MD4((unsigned char*)text, strlen(text), (unsigned char*)md);
+
+  for (i = 0; i < sizeof(md); i++) {
+    hash[i+i]   = HEX((md[i] >> 4) & 0x0f);
+    hash[i+i+1] = HEX(md[i] & 0x0f);
+  }
+
+  hash[sizeof(md) * 2] = 0;
+
+  return strtoGENstr(hash);
+}

Task/MD4/PARI-GP/md4-2.parigp

@@ -0,0 +1,3 @@
+install("plug_md4", "s", "MD4", "~/libmd4.so");
+
+MD4("Rosetta Code")