feat(unitproc):Add checkAgePubkey function

Add checkAgePubkey: a function to check whether or not a string is
accepted by age (an encryption function).

Reference: https://github.com/FiloSottile/age/releases/tag/v1.0.0-beta2

diff --git a/unitproc/bktemp-checkAgePubkey b/unitproc/bktemp-checkAgePubkey
new file mode 100644 (file)
index 0000000..8089111
--- /dev/null
+++ b/unitproc/bktemp-checkAgePubkey
@@ -0,0 +1,19 @@
+#!/bin/bash
+# Desc: Checks if string is an age-compatible public key string
+checkAgePubkey() {
+    # Desc: Checks if string is an age-compatible pubkey
+    # Usage: checkAgePubkey [str pubkey]
+    # Version: 0.1.0
+    # Input: arg1: string
+    # Output: return code 0: string is age-compatible pubkey
+    #         return code 1: string is NOT an age-compatible pubkey
+    # Depends: age (v0.1.0-beta2; https://github.com/FiloSottile/age/releases/tag/v1.0.0-beta2 )
+    
+    argPubkey="$1";
+    
+    if echo "test" | age -a -r "$argPubkey" 1>/dev/null; then
+       return 0;
+    else
+       return 1;
+    fi;
+} # Check age pubkey