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Go language AES encryption: How to encrypt strings and base64 encoding using AES/ECB/NoPadding mode?
Go language AES encryption: How to encrypt strings and base64 encoding using AES/ECB/NoPadding mode?
Apr 02, 2025 am 10:30 AM
Go語(yǔ)言AES加密：ECB模式無(wú)填充加密與Base64編碼
本文演示如何在Go語(yǔ)言中使用AES/ECB/NoPadding模式加密字符串，并進(jìn)行Base64編碼。 我們將解決一個(gè)實(shí)際問(wèn)題：使用密鑰"er2fb6ts3ecx"加密字符串"406bf0ad11310101220213481000320000"，并得到Base64編碼后的結(jié)果。
問(wèn)題與解決方案：
許多AES加密示例使用CBC模式和填充。然而，本例要求使用ECB模式和NoPadding。 這需要仔細(xì)處理密鑰長(zhǎng)度和潛在的填充問(wèn)題。
以下Go代碼實(shí)現(xiàn)了AES/ECB/NoPadding加密和Base64編碼：
package main
import (
"crypto/aes"
"encoding/base64"
"fmt"
"log"
)
func main() {
plaintext := []byte("406bf0ad11310101220213481000320000")
key := []byte("er2fb6ts3ecx")
ciphertext, err := encryptECB(plaintext, key)
if err != nil {
log.Fatal(err)
}
fmt.Printf("Ciphertext (Base64): %s\n", ciphertext)
decrypted, err := decryptECB(ciphertext, key)
if err != nil {
log.Fatal(err)
}
fmt.Printf("Decrypted: %s\n", string(decrypted))
}
func encryptECB(plaintext, key []byte) (string, error) {
block, err := aes.NewCipher(padKey(key))
if err != nil {
return "", err
}
if len(plaintext)%aes.BlockSize != 0 {
return "", fmt.Errorf("plaintext is not a multiple of the block size")
}
ciphertext := make([]byte, len(plaintext))
for i := 0; i
<p>這段代碼包含了<code>encryptECB</code>和<code>decryptECB</code>函數(shù)，分別用于ECB模式下的AES加密和解密。<code>padKey</code>函數(shù)確保密鑰長(zhǎng)度為16字節(jié)。 由于使用NoPadding，我們不需要處理填充。 請(qǐng)注意，ECB模式的安全性較低，不建議在生產(chǎn)環(huán)境中使用。</p>
<p>這個(gè)改進(jìn)后的代碼更簡(jiǎn)潔，更易于理解，并且正確處理了密鑰長(zhǎng)度和NoPadding的情況。 記住，在實(shí)際應(yīng)用中，選擇更安全的模式（如CBC或GCM）至關(guān)重要。</p>The above is the detailed content of Go language AES encryption: How to encrypt strings and base64 encoding using AES/ECB/NoPadding mode?. For more information, please follow other related articles on the PHP Chinese website!
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