init

Makefile

@@ -0,0 +1,15 @@
+include config.mk
+
+static: src/libecrypt.c
+	$(CC) -c src/libecrypt.c -o
+	ar -rc src/libecrypt.a src/libecrypt.o
+
+shared: src/libecrypt.c
+	$(CC) -c -fpic src/libecrypt.c
+	$(CC) -shared src/libecrypt.o libecrypt.so
+
+install-static: src/libecrypt.a
+	install --mode=0755 src/libecrypt.a $(PREFIX)/lib
+
+install-shared: src/libecrypt.so
+	install --mode=0755 src/libecrypt.so $(PREFIX)/lib

README

@@ -0,0 +1,13 @@
++ libecrypt
+
+A library which provides a random string generation function.
+
++ Usage
+
+	int main() {
+		ecrypt(PASSWD_LENGTH);
+	}
+
++ Installation
+
+Run 'make static' to compile a static library, or 'make shared' to compile a shared library. Then, run 'make install-static' or 'make install-shared' depending on what you ran previously.

config.mk

@@ -0,0 +1,5 @@
+#
+# config.mk
+#
+
+PREFIX = /usr

src/libecrypt.c

@@ -0,0 +1,45 @@
+/* libecrypt - library for including ecrypt functions in programs */
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+void ecrypt(int N) {
+	int c = 0;
+	int randomizer = 0;
+
+	srand((unsigned int)(time(NULL)));
+
+	char numbers[] = "1234567890";
+	char letter[]  = "qwertyuiopasdfghjklzxcvbnm";
+	char LETTER[]  = "QWERTYUIOPASDFGHJKLZXCVBNM";
+	char symbols[] = "!@#$%^&*?";
+	char password[N];
+
+	randomizer = rand() % 4;
+
+	for (c = 0; c < N; c++) {
+		switch (randomizer) {
+			case 1:
+				password[c] = numbers[rand() % 10];
+				randomizer = rand() % 4;
+				printf("%c", password[c]);
+				break;
+			case 2:
+				password[c] = symbols[rand() % 8];
+				randomizer = rand() % 4;
+				printf("%c", password[c]);
+				break;
+			case 3:
+				password[c] = LETTER[rand() % 26];
+				randomizer = rand() % 4;
+				printf("%c", password[c]);
+				break;
+			default:
+				password[c] = letter[rand() % 26];
+				randomizer = rand() % 4;
+				printf("%c", password[c]);
+		}
+	}
+}