我想用我的RSA
公钥加密
一个字符串(纯文本)。我有一个 public key
,它作为 String
从服务器发送,我用它创建了一个 RSA
public key。现在我想使用该 key 通过填充 PKACS12
来加密
我的文本。我怎样才能做到这一点。我经历了很多堆栈溢出问题,但没有取得任何成功。
这就是我创建 RSA 公钥
的方式,
let serverPublicKey = "Some text with key"
let data2 = Data.init(base64Encoded: serverPublicKey)
let keyDict:[NSObject:NSObject] = [
kSecAttrKeyType: kSecAttrKeyTypeRSA,
kSecAttrKeyClass: kSecAttrKeyClassPublic,
kSecAttrKeySizeInBits: NSNumber(value: 2048),
kSecReturnPersistentRef: true as NSObject
]
let publickeysi = SecKeyCreateWithData(data2! as CFData, keyDict as CFDictionary, nil)
这将成功创建一个 RSA 公钥
。现在我想用这个 key 来加密我的另一个Plain Text
。我该怎么做。
最佳答案
希望对你有帮助:
let serverPublicKey = "Some text with key"
let data2 = Data.init(base64Encoded: serverPublicKey)
let keyDict:[NSObject:NSObject] = [
kSecAttrKeyType: kSecAttrKeyTypeRSA,
kSecAttrKeyClass: kSecAttrKeyClassPublic,
kSecAttrKeySizeInBits: NSNumber(value: 2048),
kSecReturnPersistentRef: true as NSObject
]
let publickeysi = SecKeyCreateWithData(data2! as CFData, keyDict as CFDictionary, nil)
//Encrypt a string with the public key
let message = "This is my message."
let blockSize = SecKeyGetBlockSize(publickeysi!)
var messageEncrypted = [UInt8](repeating: 0, count: blockSize)
var messageEncryptedSize = blockSize
var status: OSStatus!
status = SecKeyEncrypt(publickeysi!, SecPadding.PKCS1, message, message.characters.count, &messageEncrypted, &messageEncryptedSize)
if status != noErr {
print("Encryption Error!")
return
}
关于ios - 如何在 ios,swift 中使用 RSA 公钥加密和解密字符串(纯文本),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/45837134/