diff options
Diffstat (limited to 'Scripts/decrypt_smime_file.sh')
| -rw-r--r-- | Scripts/decrypt_smime_file.sh | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Scripts/decrypt_smime_file.sh b/Scripts/decrypt_smime_file.sh new file mode 100644 index 0000000..3045799 --- /dev/null +++ b/Scripts/decrypt_smime_file.sh @@ -0,0 +1,27 @@ +#!/bin/sh + +FILE=$1 +FIRMWARE_KEY=$2 + +if [[ -f "$FILE" ]]; then + DATA=$(head -2 $FILE | grep "smime." 2>&1) + if [[ $DATA =~ '"smime.' ]]; then + cp $FILE $FILE.bak + OPENSSL_RESULT=$(openssl smime -decrypt -in $FILE.bak -inkey $FIRMWARE_KEY 2>&1 > $FILE) + if [[ -f "$FILE" && $OPENSSL_RESULT == '' ]]; then + echo "${FILE} has been decrypted" + rm -rf $FILE.bak + else + mv $FILE.bak $FILE + echo "${FILE} has not been decrypted, the key is probably invalid !" + echo "Stopping" + exit 1 + fi + else + echo "${FILE} seems already decrypted !" + fi +else + echo "${FILE} not found !" +fi + +exit 0
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