Renamed filename

crypter

@@ -0,0 +1,91 @@
+#!/bin/bash
+# Author: F. Bischof (info@meer-web.nl)
+# URL: https://github.com/Meer-Web/openssl_file_encryption
+
+# Check for input file
+if [ -n "$2" ]
+then
+	INPUT=$2
+	if [ ! -e "$INPUT" ];
+	then
+		echo "Input file does not exist!"
+		exit 2
+	fi
+else
+	echo "Usage: ./crypter.sh -[e/d] inputfile [--no-verify]";
+	exit 1
+fi
+
+# Check if algos are set
+if [ ! -f ~/.crypter/.algos ]
+then
+	mkdir -p ~/.crypter
+	echo "ALGOS=\"-des-ede3-cbc -pbkdf2\"" > ~/.crypter/.algos
+fi
+source ~/.crypter/.algos
+
+# Check method
+case "$1" in 
+	"-e")
+		echo "Encrypting file ${INPUT}"
+		OUTPUT="${INPUT}.crypt"
+		HASH=$(sha256sum ${INPUT} > ${OUTPUT}.hash)
+		openssl enc ${ALGOS} -salt -in ${INPUT} -out ${OUTPUT}.temp > /dev/null 2>&1
+		base64 ${OUTPUT}.temp > ${OUTPUT}
+		rm -f ${OUTPUT}.temp
+		if [ "`stat ${OUTPUT} | grep Size | awk '{ print $2}'`" != 0 ]
+		then
+			# OK - safe to delete the original input file
+			echo "OK - Deleting file ${INPUT}"
+			rm -f ${INPUT}
+			exit 0
+		else
+			# NOK - remove empty output file
+			echo "CRITICAL - Output file ${OUTPUT} is 0 bytes! Not removing the source file ${INPUT}"
+			rm -f ${OUTPUT} ${OUTPUT}.hash
+			exit 2
+		fi
+		;;
+	"-d")
+		echo "Decrypting file ${INPUT}";
+		OUTPUT=$(echo ${INPUT} | sed 's/\.crypt//')
+		base64 -d ${INPUT} > ${INPUT}.temp
+		openssl enc -d ${ALGOS} -in ${INPUT}.temp -out ${OUTPUT} > /dev/null 2>&1
+		rm -f ${INPUT}.temp
+		if [ "`stat ${OUTPUT} | grep Size | awk '{ print $2}'`" != 0 ]
+		then
+			if [ "$3" != '--no-verify' ]
+			then
+				# SHA256SUM CHECK
+				CUR_HASH=$(sha256sum --quiet --check ${OUTPUT}.crypt.hash)
+				if [ $? != 0 ]
+				then
+					# NOK - Hash mismatch
+					echo "CRITICAL - Hashes mismatching!"
+					rm -f ${OUTPUT}
+					exit 2
+				else
+					# OK - safe to delete the original input file
+					echo "OK - Hashes matching, deleting input file"
+					rm -f ${INPUT} ${INPUT}.hash
+					exit 0
+				fi
+			else
+				echo "Ignoring hash verify"
+				rm -f ${INPUT} ${INPUT}.hash
+			fi
+
+		else
+			# NOK - remove empty output file
+			echo "CRITICAL - Output file is 0 bytes! Not removing the input file"
+			rm -f ${OUTPUT}
+			exit 2
+		fi
+		exit 0
+		;;
+	*) 
+		echo "Usage: ./crypter.sh -[e/d] [inputfile]";
+		exit 1
+		;;
+esac
+exit 3