Resolving the issue of encryption parameters not being stored.

scripts/generate-sse-keys.ps1

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+# Generate SSE encryption key (32 bytes base64 encoded)
+# For testing with __RUSTFS_SSE_SIMPLE_CMK environment variable
+# Usage: .\generate-sse-keys.ps1
+
+# Function to generate a random 256-bit key and encode it in base64
+function Generate-Base64Key {
+    # Generate 32 bytes (256 bits) of random data
+    $bytes = New-Object byte[] 32
+    $rng = [System.Security.Cryptography.RandomNumberGenerator]::Create()
+    $rng.GetBytes($bytes)
+    $rng.Dispose()
+    
+    # Convert to base64
+    return [Convert]::ToBase64String($bytes)
+}
+
+# Generate key
+$base64Key = Generate-Base64Key
+
+# Output result
+Write-Host ""
+Write-Host "Generated SSE encryption key (32 bytes, base64 encoded):" -ForegroundColor Green
+Write-Host ""
+Write-Host $base64Key -ForegroundColor Yellow
+Write-Host ""
+Write-Host "You can use this in your environment variable:" -ForegroundColor Cyan
+Write-Host "`$env:__RUSTFS_SSE_SIMPLE_CMK=`"$base64Key`"" -ForegroundColor White
+Write-Host ""

scripts/generate-sse-keys.sh

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+#!/bin/bash
+# Generate SSE encryption key (32 bytes base64 encoded)
+# For testing with __RUSTFS_SSE_SIMPLE_CMK environment variable
+# Usage: ./generate-sse-keys.sh
+
+set -euo pipefail
+
+# Function to generate a random 256-bit key and encode it in base64
+generate_base64_key() {
+    # Generate 32 bytes (256 bits) of random data and base64 encode it
+    openssl rand -base64 32 | tr -d '\n'
+}
+
+# Generate key
+base64_key=$(generate_base64_key)
+
+# Output result
+echo "Generated SSE encryption key (32 bytes, base64 encoded):"
+echo ""
+echo "$base64_key"
+echo ""
+echo "You can use this in your environment variable:"
+echo "export __RUSTFS_SSE_SIMPLE_CMK=\"$base64_key\""
+