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aes.go
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aes.go
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package main
import (
"encoding/base64"
"encoding/hex"
"fmt"
"github.com/freewu/crypto-go/aes"
"strings"
)
func main() {
// 定义明文
data := []byte("hello world")
// 密钥
key := []byte("1234567812345678") // key 必须 16 / 24 / 32 位 128 / 192 /256
// 偏移量
iv := []byte("abcdefgh12345678") // 需要 16 / 24 / 32 位 128 / 192 /256
fmt.Printf("data: %v\n", string(data))
fmt.Printf("key: %v\n", string(key))
fmt.Printf("iv: %v\n", string(iv))
// === CBC模式 Cipher Block Chaining 模式,译为密文分组链接模式
fmt.Printf("\n===== CBC模式 %v\n", strings.Repeat("=", 20))
instance := aes.GetInstance("CBC/PKCS7Padding")
encrypted, err := instance.Encrypt(data, key, iv)
if err != nil {
panic(err)
}
fmt.Printf("AES/CBC/PKCS7Padding Encrypt base64: %v\n", base64.StdEncoding.EncodeToString(encrypted))
fmt.Printf("AES/CBC/PKCS7Padding Encrypt hex: %v\n", hex.EncodeToString(encrypted))
decrypted, err := instance.Decrypt(encrypted, key, iv)
if err != nil {
panic(err)
}
fmt.Printf("AES/CBC/PKCS7Padding Decrypt base64: %v\n", base64.StdEncoding.EncodeToString(decrypted))
fmt.Printf("AES/CBC/PKCS7Padding Decrypt hex: %v\n", hex.EncodeToString(decrypted))
fmt.Printf("AES/CBC/PKCS7Padding Decrypt string: %v\n", string(decrypted))
// === CFB模式 Cipher FeedBack 模式,译为密文反馈模式
fmt.Printf("\n===== CFB模式 %v\n", strings.Repeat("=", 20))
instance = aes.GetInstance("CFB/PKCS7Padding")
encrypted, err = instance.Encrypt(data, key, iv)
if err != nil {
panic(err)
}
fmt.Printf("AES/CFB/PKCS7Padding Encrypt base64: %v\n", base64.StdEncoding.EncodeToString(encrypted))
fmt.Printf("AES/CFB/PKCS7Padding Encrypt hex: %v\n", hex.EncodeToString(encrypted))
decrypted, err = instance.Decrypt(encrypted, key, iv)
if err != nil {
panic(err)
}
fmt.Printf("AES/CFB/PKCS7Padding Decrypt base64: %v\n", base64.StdEncoding.EncodeToString(decrypted))
fmt.Printf("AES/CFB/PKCS7Padding Decrypt hex: %v\n", hex.EncodeToString(decrypted))
fmt.Printf("AES/CFB/PKCS7Padding Decrypt string: %v\n", string(decrypted))
// === OFB模式 Output Feedback 模式,译为输出反馈模式。
fmt.Printf("\n===== OFB模式 %v\n", strings.Repeat("=", 20))
instance = aes.GetInstance("OFB/PKCS7Padding")
encrypted, err = instance.Encrypt(data, key, iv)
if err != nil {
panic(err)
}
fmt.Printf("AES/OFB/PKCS7Padding Encrypt base64: %v\n", base64.StdEncoding.EncodeToString(encrypted))
fmt.Printf("AES/OFB/PKCS7Padding Encrypt hex: %v\n", hex.EncodeToString(encrypted))
decrypted, err = instance.Decrypt(encrypted, key, iv)
if err != nil {
panic(err)
}
fmt.Printf("AES/OFB/PKCS7Padding Decrypt base64: %v\n", base64.StdEncoding.EncodeToString(decrypted))
fmt.Printf("AES/OFB/PKCS7Padding Decrypt hex: %v\n", hex.EncodeToString(decrypted))
fmt.Printf("AES/OFB/PKCS7Padding Decrypt string: %v\n", string(decrypted))
// === CTR模式 Counter 模式,译为计数器模式
fmt.Printf("\n===== CTR模式 %v\n", strings.Repeat("=", 20))
instance = aes.GetInstance("CTR/PKCS7Padding")
encrypted, err = instance.Encrypt(data, key, iv)
if err != nil {
panic(err)
}
fmt.Printf("AES/CTR/PKCS7Padding Encrypt base64: %v\n", base64.StdEncoding.EncodeToString(encrypted))
fmt.Printf("AES/CTR/PKCS7Padding Encrypt hex: %v\n", hex.EncodeToString(encrypted))
decrypted, err = instance.Decrypt(encrypted, key, iv)
if err != nil {
panic(err)
}
fmt.Printf("AES/CTR/PKCS7Padding Decrypt base64: %v\n", base64.StdEncoding.EncodeToString(decrypted))
fmt.Printf("AES/CTR/PKCS7Padding Decrypt hex: %v\n", hex.EncodeToString(decrypted))
fmt.Printf("AES/CTR/PKCS7Padding Decrypt string: %v\n", string(decrypted))
// === ECB模式 Electronic Codebook 模式,译为电子密码本模式
fmt.Printf("\n===== ECB模式 %v\n", strings.Repeat("=", 20))
instance = aes.GetInstance("ECB/PKCS7Padding")
encrypted, err = instance.Encrypt(data, key, iv)
if err != nil {
panic(err)
}
fmt.Printf("AES/ECB/PKCS7Padding Encrypt base64: %v\n", base64.StdEncoding.EncodeToString(encrypted))
fmt.Printf("AES/ECB/PKCS7Padding Encrypt hex: %v\n", hex.EncodeToString(encrypted))
decrypted, err = instance.Decrypt(encrypted, key, iv)
if err != nil {
panic(err)
}
fmt.Printf("AES/ECB/PKCS7Padding Decrypt base64: %v\n", base64.StdEncoding.EncodeToString(decrypted))
fmt.Printf("AES/ECB/PKCS7Padding Decrypt hex: %v\n", hex.EncodeToString(decrypted))
fmt.Printf("AES/ECB/PKCS7Padding Decrypt string: %v\n", string(decrypted))
}