47 lines
871 B
Go
47 lines
871 B
Go
package main
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import (
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"crypto/rand"
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"encoding/base64"
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"fmt"
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"io"
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"log"
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"os"
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"github.com/certusone/wormhole/node/pkg/common"
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)
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func main() {
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in, err := io.ReadAll(os.Stdin)
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if err != nil {
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log.Fatalf("failed to read stdin: %v", err)
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}
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// Generate 128-bit key
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key := make([]byte, 16)
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if _, err := rand.Read(key); err != nil {
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log.Fatalf("failed to generate key: %v", err)
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}
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// Log key as base64 string
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log.Printf("key: %s", base64.StdEncoding.EncodeToString(key))
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// Encrypt
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ciphertext, err := common.EncryptAESGCM(in, key)
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if err != nil {
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log.Fatalf("failed to encrypt: %v", err)
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}
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// Convert ciphertext as base64 string.
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b64 := base64.StdEncoding.EncodeToString(ciphertext)
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// Hard-wrap to 80 characters per line.
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for i := 0; i < len(b64); i += 80 {
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j := i + 80
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if j > len(b64) {
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j = len(b64)
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}
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fmt.Println(b64[i:j])
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}
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}
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