Update crypt ans partition scrips

Update crypt ans partition scrips

Signed-off-by: Bensuperpc <bensuperpc@gmail.com>

cryptography/digital-signature-check-RSA.sh

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+set -euo pipefail
+#//////////////////////////////////////////////////////////////
+#//   ____                                                   //
+#//  | __ )  ___ _ __  ___ _   _ _ __   ___ _ __ _ __   ___  //
+#//  |  _ \ / _ \ '_ \/ __| | | | '_ \ / _ \ '__| '_ \ / __| //
+#//  | |_) |  __/ | | \__ \ |_| | |_) |  __/ |  | |_) | (__  //
+#//  |____/ \___|_| |_|___/\__,_| .__/ \___|_|  | .__/ \___| //
+#//                             |_|             |_|          //
+#//////////////////////////////////////////////////////////////
+#//                                                          //
+#//  Script, 2021                                            //
+#//  Created: 25, July, 2021                                 //
+#//  Modified: 27, July, 2021                                //
+#//  file: -                                                 //
+#//  -                                                       //
+#//  Source:  https://medium.com/@bn121rajesh/rsa-sign-and-verify-using-openssl-behind-the-scene-bf3cac0aade2                                               //
+#//  OS: ALL                                                 //
+#//  CPU: ALL                                                //
+#//                                                          //
+#//////////////////////////////////////////////////////////////
+
+# Values can by override
+CHECKSUM_TYPE_RHASH=${CHECKSUM_TYPE_RHASH:-sha3-512}
+CHECKSUM_TYPE_OPENSSL=${CHECKSUM_TYPE_OPENSSL:-sha512}
+PUBLIC_KEY=${PUBLIC_KEY:-mypublic.pem}
+
+FILE=${FILE:-myfile.txt}
+
+# Check software
+openssl version > /dev/null 2>&1 && echo "openssl: OK" || echo "ERROR: openssl is missing !"
+rhash --version > /dev/null 2>&1 && echo "rhash: OK" || echo "ERROR: rhash is missing !"
+
+if (( $# == 1 )); then
+    FILE=$1
+    
+    openssl dgst -"$CHECKSUM_TYPE_OPENSSL" -verify "$PUBLIC_KEY" -signature "$CHECKSUM_TYPE_OPENSSL".sign "$FILE"
+    echo "signature check: OK"
+
+    rhash --"$CHECKSUM_TYPE_RHASH" -c checksums."$CHECKSUM_TYPE_RHASH"
+    echo "Checksum check: OK"
+else
+    echo "Usage: ${0##*/} <file to check>"
+    echo "Optional override values"
+    echo "Usage: PUBLIC_KEY=mypublic.pem ${0##*/} <file to check>"
+    echo "Usage: CHECKSUM_TYPE_RHASH=sha3-512 CHECKSUM_TYPE_OPENSSL=sha512 ${0##*/} <file to check>"
+    exit 1
+fi

partition/luks.sh

@@ -11,7 +11,7 @@ set -euo pipefail
 #//                                                          //
 #//  Script, 2020                                            //
 #//  Created: 20, June, 2020                                 //
-#//  Modified: 24, July, 2021                                //
+#//  Modified: 28, July, 2021                                //
 #//  file: -                                                 //
 #//  -                                                       //
 #//  Source: -                                               //
@@ -38,7 +38,7 @@ if (( $# == 2 )); then
     sudo umount "$1" || true
     sudo cryptsetup -v --type luks --cipher aes-xts-plain64 --key-size 512 --hash sha512 --iter-time 1000 --use-urandom --verify-passphrase luksFormat --label="$2" "$1"
     sudo cryptsetup -v luksOpen "$1" "${UUID}"
-    sudo mkfs.btrfs --force --checksum blake2 --label "$2" /dev/mapper/"${UUID}"
+    sudo mkfs.btrfs --force --checksum crc32c --label "$2" /dev/mapper/"${UUID}"
     
     sudo cryptsetup -v luksClose "${UUID}"
     echo "Partition: OK"

partition/mount-ram.sh

@@ -35,5 +35,5 @@ fi
 if (( $# == 2 )); then
     sudo mount -t tmpfs -o size="$2"M tmpfs "$1"
 else
-    echo "Usage: ${0##*/} <path> <size>"
+    echo "Usage: ${0##*/} <path to mount> <size (in MB/Mo)>"
 fi