init

Makefile

@@ -0,0 +1,7 @@
+include config.mk
+
+all: src/main.c
+	$(CC) $(CFLAGS) $(LDFLAGS) src/main.c -o src/ecrypt
+
+install: src/ecrypt
+	install src/ecrypt $(PREFIX)/bin

README

@@ -0,0 +1,22 @@
++ ecrypt - a simple key/password generator
+
+ecrypt is an extremely simple and basic encryption tool. It does not aim to provide
+advanced encryption features that other tools may offer, it simply acts as a random
+string generator.
+
++ Installation
+
+Clone this repository:
+	(user)$ git clone https://git.everestlinux.org/EverestLinux/ecrypt
+
+Edit src/config.h and ensure it looks good:
+	(user)$ $EDITOR src/config.h
+
+Edit config.mk and adjust any options:
+	(user)$ $EDITOR config.mk
+
+Run make:
+	(user)$ make
+
+Install:
+	(root)# make install

config.mk

@@ -0,0 +1,9 @@
+#
+# config.mk
+#
+
+PREFIX = /usr
+
+CC = cc
+CFLAGS = -O2 -fstack-protector-strong
+LDFLAGS = -s -static

include/colors.h

@@ -0,0 +1,9 @@
+/* colors.h - define output colors */
+
+#ifndef COLORS_H_
+#define COLORS_H_
+
+#define ANSI_COLOR_BLUE 	"\x1b[34m"
+#define ANSI_COLOR_RESET	"\x1b[0m"
+
+#endif

src/config.h

@@ -0,0 +1,9 @@
+/* config.h - define configuration values */
+
+#ifndef CONFIG_H_
+#define CONFIG_H_
+
+/* Length of password to be outputted */
+#define PASSWD_LENGTH	30
+
+#endif

src/main.c

@@ -0,0 +1,61 @@
+/* ecrypt - generate keys */
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+/* define ANSI_COLOR_BLUE and ANSI_COLOR_RESET */
+#include "../include/colors.h"
+
+/* include configuration file */
+#include "config.h"
+
+void randPasswdGen(int N) {
+	int c = 0; /* init counter */
+	int randomizer = 0;
+
+	srand((unsigned int)(time(NULL)));
+
+	char numbers[] = "1234567890";
+	char letter[] = "abcdefghijklmnopqrstuvwxyz";
+	char LETTER[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+	char symbols[] = "!@#$%^&*?";
+	char password[N];
+
+	randomizer = rand() % 4;
+
+	/* this is a bit ugly but it gets the job done */
+	for (c = 0; c < N; c++) {
+		switch (randomizer) {
+			case 1:
+				password[c] = numbers[rand() % 10];
+				randomizer = rand() % 4;
+				printf(ANSI_COLOR_BLUE "%c" ANSI_COLOR_RESET, password[c]);
+				break;
+			case 2:
+				password[c] = symbols[rand() % 8];
+				randomizer = rand() % 4;
+				printf(ANSI_COLOR_BLUE "%c" ANSI_COLOR_RESET, password[c]);
+				break;
+			case 3:
+				password[c] = LETTER[rand() % 26];
+				randomizer = rand() % 4;
+				printf(ANSI_COLOR_BLUE "%c" ANSI_COLOR_RESET, password[c]);
+				break;
+			default:
+				password[c] = letter[rand() % 26];
+				randomizer = rand() % 4;
+				printf(ANSI_COLOR_BLUE "%c" ANSI_COLOR_RESET, password[c]);
+		}
+	}
+}
+
+int main() {
+	int N = PASSWD_LENGTH; /* password length, can be customized by config.h */
+
+	randPasswdGen(N);
+	printf("\n"); /* remove newline character for zsh users */
+
+	return 0;
+}