快速使用SHA512哈希字符串 [英] Hash string with SHA512 in swift
问题描述
任何人都知道如何在swift中重现PHP哈希方法散列('SHA512',$ value,true)?我尝试使用这个代码使用CommonCrypto C库:
扩展字符串{
func digest(长度:Int32,gen :(数据:UnsafePointer< Void>,len:CC_LONG,md:UnsafeMutablePointer< UInt8>) - > UnsafeMutablePointer< UInt8>) - >字符串{
var cStr = [UInt8](self.utf8)
var result = [UInt8](count:Int(length),repeatedValue:0)
gen(data:& cStr ,len:CC_LONG(cStr.count),md:& result)
let output = NSMutableString(capacity:Int(length))
for result in result {
output.appendFormat( %02x,r)
}
return String(输出)
}
}
并像这样使用它:
var digest = salted.digest(CC_SHA512_DIGEST_LENGTH,gen:在CC_SHA512(data,len,md)})
中,{没有得到正确的输出
编辑: 我有一些PHP code:
echo base64_encode(hash('sha512','8yOrBmkd',true)); //输出:rlltLWeWaQCrfNTYMa0CcIs0mfLoHGAynrd + d8H65 + rGAzHS / BSWsumwSmcxF9aAG9TIzXx + HOjArPyLL3herg ==
我希望我的swift代码输出相同。 Base64编码正常:
let utf8str = input.dataUsingEncoding(NSUTF8StringEncoding)!. base64EncodedStringWithOptions(NSDataBase64EncodingOptions(rawValue:0))
let base64Encoded = utf8str!.base64EncodedStringWithOptions(NSDataBase64EncodingOptions(rawValue:0))
print(Encoded:\(base64Encoded))
但是哈希部分返回的输出与此PHP代码的输出相同:
echo base64_encode(hash('sha512','8yOrBmkd',false)); //输出:YWU1OTZkMmQ2Nzk2NjkwMGFiN2NkNGQ4MzFhZDAyNzA4YjM0OTlmMmU4MWM2MDMyOWViNzdlNzdjMWZhZTdlYWM2MDMzMWQyZmMxNDk2YjJlOWIwNGE2NzMxMTdkNjgwMWJkNGM4Y2Q3YzdlMWNlOGMwYWNmYzhiMmY3ODVlYWU =
解决方案 夫特3在底部implementatiomn 。
代码不需要太复杂或是扩展名:
func sha512Hex(string string:String) - > String {
var digest = [UInt8](count:Int(CC_SHA512_DIGEST_LENGTH),repeatedValue:0)
if data = string.dataUsingEncoding(NSUTF8StringEncoding){
CC_SHA512(data.bytes,CC_LONG (data.length),& digest)
}
var digestHex =
for index in 0 ..< Int(CC_SHA512_DIGEST_LENGTH){
digestHex + = String(format:%02x,digest [index])
}
return digestHex
}
$ b //测试:
let hexDigest = sha512Hex(string: 8yOrBmkd)
print(hexDigest:\\\
\(hexDigest))
<输出:
$ b
hexDigest:
ae596d2d67966900ab7cd4d831ad02708b3499f2e81c60329eb77e77c1fae7eac60331d2fc1496b2e9b04a673117d6801bd4c8cd7c7e1ce8c0acfc8b2f785eae
$
func sha512(string string:String) - > [UInt8] {
var digest = [UInt8](count:Int(CC_SHA512_DIGEST_LENGTH),repeatedValue:0)
let data = string.dataUsingEncoding(NSUTF8StringEncoding)!
CC_SHA512(data.bytes,CC_LONG(data.length),& digest)
return digest
}
//测试:
let digestRaw = sha512(string: 8yOrBmkd)
print(decimal array:\\\
\(digestRaw))
print(hexadecimal:\\\
\(NSData(bytes:digestRaw,length:digestRaw.count )。)
$ b $输出:
$ b blockquote>
十进制数组:
[174,89,109,45,103,150,105,0,171,124,212,216,49,173,2,112,139 ,52,153,242,232,28,96,50,158,183,126,119,193,250,231,234,198,3,49,210,252,20,150,178,233,176 ,74,103,49,23,214,128,27,212,200,205,124,126,28,232,192,172,252,139,47,120,94,174]
十六进制:
ae596d2d67966900ab7cd4d831ad02708b3499f2e81c60329eb77e77c1fae7eac60331d2fc1496b2e9b04a673117d6801bd4c8cd7c7e1ce8c0acfc8b2f785eae
Base64输出:
func sha512Base64(string string:String) - > String {
let digest = NSMutableData(length:Int(CC_SHA512_DIGEST_LENGTH))!
if data = string.dataUsingEncoding(NSUTF8StringEncoding){
CC_SHA512(data.bytes,CC_LONG(data.length),UnsafeMutablePointer< UInt8>(digest.mutableBytes))
}
返回digest.base64EncodedStringWithOptions(NSDataBase64EncodingOptions([]))
}
//测试:
let digestBase64 = sha512Base64(string:8yOrBmkd)
print(Base64:\\\
\( digestBase64))
输出:
Base64:
rlltLWeWaQCrfNTYMa0CcIs0mfLoHGAynrd + d8H65 + rGAzHS / BSWsumwSmcxF9aAG9TIzXx + HOjArPyLL3herg ==
Swift 3
func hashSHA512(data:Data) - >串? {
var hashData = Data(count:Int(CC_SHA512_DIGEST_LENGTH))
_ = hashData.withUnsafeMutableBytes {digestBytes in
data.withUnsafeBytes {messageBytes in
CC_SHA512(messageBytes ,CC_LONG(data.count),digestBytes)
}
}
//对于十六进制输出:
返回hashData.map {String(format:%02hhx ,$ 0)} .joined()
//对于Base64输出,使用这个代替上述代码:
//返回data.base64EncodedString()
}
不赞成使用的文档部分的示例:
HMAC with MD5,SHA1 ,SHA224,SHA256,SHA384,SHA512(Swift 3 +)
这些函数会将String或Data输入与一个八个密码散列算法。
name参数将散列函数名称指定为字符串
支持的函数是MD5,SHA1 ,SHA224,SHA256,SHA384和SHA512
这个例子需要Common Crypto
这个项目需要一个桥接头:
#import< CommonCrypto / CommonCrypto.h>
将Security.framework添加到项目中。
这些函数需要一个散列名,消息被散列,一个键并返回一个摘要:
hashName:作为字符串的散列函数的名称
message:作为数据的消息
key:作为数据的
返回:摘要为数据
func hmac(hashName:String,message:Data,key:Data) - >数据? {
let algos = [SHA1:(kCCHmacAlgSHA1,CC_SHA1_DIGEST_LENGTH),
MD5:(kCCHmacAlgMD5,CC_MD5_DIGEST_LENGTH),
SHA224:( kCCHmacAlgSHA224,CC_SHA224_DIGEST_LENGTH),
SHA256:(kCCHmacAlgSHA256,CC_SHA256_DIGEST_LENGTH),
SHA384:(kCCHmacAlgSHA384,CC_SHA384_DIGEST_LENGTH),
SHA512:(kCCHmacAlgSHA512,CC_SHA512_DIGEST_LENGTH)]
guard let(hashAlgorithm,length) = algos [hashName] else {return nil}
var macData = Data(count:Int(length))
macData.withUnsafeMutableBytes {macBytes in
message.withUnsafeBytes {messageBytes in
key.withUnsafeBytes {keyBytes in
CCHmac(CCHmacAlgorithm(hashAlgorithm),
keyBytes,key.count,
messageBytes,message.count,
macBytes)
}
}
}
return macData
}
< $ p $ b>
hashName:作为字符串的散列函数的名称
消息:作为字符串的消息
key:作为字符串的键
返回:作为数据的摘要
func hmac(hashName:String,message:String,key:String) - >数据? {
let messageData = message.data(使用:.utf8)!
let keyData = key.data(使用:.utf8)!
返回hmac(hashName:hashName,message:messageData,key:keyData)
}
hashName:作为字符串的散列函数的名称
消息:消息作为字符串
key:键作为数据
返回:摘要为数据
func hmac(hashName:String,message:String,key :Data) - >数据? {
let messageData = message.data(使用:.utf8)!
返回hmac(hashName:hashName,message:messageData,key:key)
}
//示例
let clearString =clearData0123456
让keyString =keyData8901234562
让clearData = clearString.data(使用:.utf8)!
let keyData = keyString.data(使用:.utf8)!
print(clearString:\(clearString))
print(keyString:\(keyString))
print(clearData:\(clearData as NSData))
print(keyData:\(keyData as NSData))
let hmacData1 = hmac(hashName:SHA1,message:clearData,key:keyData)
print (hmacData1:\(hmacData1!as NSData))
let hmacData2 = hmac(hashName:SHA1,message:clearString,key:keyString)
print(hmacData2: \(hmacData2!as NSData))
let hmacData3 = hmac(hashName:SHA1,message:clearString,key:keyData)
print(hmacData3:\(hmacData3 !)作为NSData))
输出:
clearString:clearData0123456
keyString:keyData8901234562
clearData:< 636c6561 72446174 61303132 33343536>
keyData:< 6b657944 61746138 39303132 33343536 32>
hmacData1:< bb358f41 79b68c08 8e93191a da7dabbc 138f2ae6>
hmacData2:< bb358f41 79b68c08 8e93191a da7dabbc 138f2ae6>
hmacData3:< bb358f41 79b68c08 8e93191a da7dabbc 138f2ae6>
MD2,MD4,MD5,SHA1,SHA224,SHA256,SHA384,SHA512(Swift 3 +)
这些函数会将字符串或数据输入与八种密码散列算法中的一种进行散列。
b $ b
name参数将散列函数名称指定为字符串
支持的函数是MD2,MD4,MD5,SHA1,SHA224,SHA256 ,SHA384和SHA512
a
这个例子需要Common Crypto
这个项目需要一个桥接头:
#导入< CommonCrypto / CommonCrypto.h>
将Security.framework添加到项目中。
这个函数接受散列名和字符串被散列并返回a数据:
名称:作为字符串的散列函数的名称
字符串:要散列的字符串
返回:散列结果作为数据
func hash(name:String,string:String) - >数据? {
let data = string.data(using:.utf8)!
return hash(name:name,data:data)
}
示例:
让clearString =clearData0123456
让clearData = clearString.data(使用:.utf8)!
print(clearString:\(clearString))
print(clearData:\(clearData as NSData))
let hashSHA256 = hash(name: SHA256,string:clearString)
print(hashSHA256:\(hashSHA256!as NSData))
let hashMD5 = hash(name:MD5,data:clearData)
print(hashMD5:\(hashMD5!as NSData))
输出:
clearString:clearData0123456
clearData:< 636c6561 72446174 61303132 33343536>
hashSHA256:< aabc766b 6b357564 e41f4f91 2d494bcc bfa16924 b574abbd ba9e3e9d a0c8920a>
hashMD5:< 4df665f7 b94aea69 695b0e7b baf9e9d6>
Anyone knows how to reproduce PHP hashing method hash(‘SHA512’, $value, true) in swift ? I tried to use CommonCrypto C library with this code :
extension String {
func digest(length:Int32, gen:(data: UnsafePointer<Void>, len: CC_LONG, md: UnsafeMutablePointer<UInt8>) -> UnsafeMutablePointer<UInt8>) -> String {
var cStr = [UInt8](self.utf8)
var result = [UInt8](count:Int(length), repeatedValue:0)
gen(data: &cStr, len: CC_LONG(cStr.count), md: &result)
let output = NSMutableString(capacity:Int(length))
for r in result {
output.appendFormat("%02x", r)
}
return String(output)
}
}
and used it like this :
var digest = salted.digest(CC_SHA512_DIGEST_LENGTH, gen: {(data, len, md) in CC_SHA512(data,len,md)})
But I don't get the right output
EDIT :
I have some PHP code :
echo base64_encode(hash('sha512', '8yOrBmkd', true)); // output: rlltLWeWaQCrfNTYMa0CcIs0mfLoHGAynrd+d8H65+rGAzHS/BSWsumwSmcxF9aAG9TIzXx+HOjArPyLL3herg==
And I want my swift code to output the same. The Base64 encoding is ok :
let utf8str = input.dataUsingEncoding(NSUTF8StringEncoding)!.base64EncodedStringWithOptions(NSDataBase64EncodingOptions(rawValue: 0))
let base64Encoded = utf8str!.base64EncodedStringWithOptions(NSDataBase64EncodingOptions(rawValue: 0))
print("Encoded: \(base64Encoded)")
But the hashing part return an output the same value as this PHP code :
echo base64_encode(hash('sha512', '8yOrBmkd', false)); // output: YWU1OTZkMmQ2Nzk2NjkwMGFiN2NkNGQ4MzFhZDAyNzA4YjM0OTlmMmU4MWM2MDMyOWViNzdlNzdjMWZhZTdlYWM2MDMzMWQyZmMxNDk2YjJlOWIwNGE2NzMxMTdkNjgwMWJkNGM4Y2Q3YzdlMWNlOGMwYWNmYzhiMmY3ODVlYWU=
解决方案 Swift 3 implementatiomn at bottom.
The code does not need to be so complex or an extension:
func sha512Hex(string string: String) -> String {
var digest = [UInt8](count: Int(CC_SHA512_DIGEST_LENGTH), repeatedValue: 0)
if let data = string.dataUsingEncoding(NSUTF8StringEncoding) {
CC_SHA512(data.bytes, CC_LONG(data.length), &digest)
}
var digestHex = ""
for index in 0..<Int(CC_SHA512_DIGEST_LENGTH) {
digestHex += String(format: "%02x", digest[index])
}
return digestHex
}
//Test:
let hexDigest = sha512Hex(string:"8yOrBmkd")
print("hexDigest:\n\(hexDigest)")
Output:
hexDigest:
ae596d2d67966900ab7cd4d831ad02708b3499f2e81c60329eb77e77c1fae7eac60331d2fc1496b2e9b04a673117d6801bd4c8cd7c7e1ce8c0acfc8b2f785eae
Just returing the byte array:
func sha512(string string: String) -> [UInt8] {
var digest = [UInt8](count: Int(CC_SHA512_DIGEST_LENGTH), repeatedValue: 0)
let data = string.dataUsingEncoding(NSUTF8StringEncoding)!
CC_SHA512(data.bytes, CC_LONG(data.length), &digest)
return digest
}
//Test:
let digestRaw = sha512(string:"8yOrBmkd")
print("decimal array:\n\(digestRaw)")
print("hexadecimal:\n\(NSData(bytes:digestRaw, length:digestRaw.count).description)")
Output:
decimal array:
[174, 89, 109, 45, 103, 150, 105, 0, 171, 124, 212, 216, 49, 173, 2, 112, 139, 52, 153, 242, 232, 28, 96, 50, 158, 183, 126, 119, 193, 250, 231, 234, 198, 3, 49, 210, 252, 20, 150, 178, 233, 176, 74, 103, 49, 23, 214, 128, 27, 212, 200, 205, 124, 126, 28, 232, 192, 172, 252, 139, 47, 120, 94, 174]
hexadecimal:
ae596d2d67966900ab7cd4d831ad02708b3499f2e81c60329eb77e77c1fae7eac60331d2fc1496b2e9b04a673117d6801bd4c8cd7c7e1ce8c0acfc8b2f785eae
Base64 output:
func sha512Base64(string string: String) -> String {
let digest = NSMutableData(length: Int(CC_SHA512_DIGEST_LENGTH))!
if let data = string.dataUsingEncoding(NSUTF8StringEncoding) {
CC_SHA512(data.bytes, CC_LONG(data.length), UnsafeMutablePointer<UInt8>(digest.mutableBytes))
}
return digest.base64EncodedStringWithOptions(NSDataBase64EncodingOptions([]))
}
//Test:
let digestBase64 = sha512Base64(string:"8yOrBmkd")
print("Base64:\n\(digestBase64)")
Output:
Base64:
rlltLWeWaQCrfNTYMa0CcIs0mfLoHGAynrd+d8H65+rGAzHS/BSWsumwSmcxF9aAG9TIzXx+HOjArPyLL3herg==
Swift 3
func hashSHA512(data:Data) -> String? {
var hashData = Data(count: Int(CC_SHA512_DIGEST_LENGTH))
_ = hashData.withUnsafeMutableBytes {digestBytes in
data.withUnsafeBytes {messageBytes in
CC_SHA512(messageBytes, CC_LONG(data.count), digestBytes)
}
}
// For hexadecimal output:
return hashData.map { String(format: "%02hhx", $0) }.joined()
// For Base64 output use this instead of the above:
// return data.base64EncodedString()
}
Example from deprecated documentation section:
HMAC with MD5, SHA1, SHA224, SHA256, SHA384, SHA512 (Swift 3+)
These functions will hash either String or Data input with one of eight cryptographic hash algorithms.
The name parameter specifies the hash function name as a String
Supported functions are MD5, SHA1, SHA224, SHA256, SHA384 and SHA512
This example requires Common Crypto
It is necessary to have a bridging header to the project:
#import <CommonCrypto/CommonCrypto.h>
Add the Security.framework to the project.
These functions takes a hash name, message to be hashed, a key and return a digest:
hashName: name of a hash function as String
message: message as Data
key: key as Data
returns: digest as Data
func hmac(hashName:String, message:Data, key:Data) -> Data? {
let algos = ["SHA1": (kCCHmacAlgSHA1, CC_SHA1_DIGEST_LENGTH),
"MD5": (kCCHmacAlgMD5, CC_MD5_DIGEST_LENGTH),
"SHA224": (kCCHmacAlgSHA224, CC_SHA224_DIGEST_LENGTH),
"SHA256": (kCCHmacAlgSHA256, CC_SHA256_DIGEST_LENGTH),
"SHA384": (kCCHmacAlgSHA384, CC_SHA384_DIGEST_LENGTH),
"SHA512": (kCCHmacAlgSHA512, CC_SHA512_DIGEST_LENGTH)]
guard let (hashAlgorithm, length) = algos[hashName] else { return nil }
var macData = Data(count: Int(length))
macData.withUnsafeMutableBytes {macBytes in
message.withUnsafeBytes {messageBytes in
key.withUnsafeBytes {keyBytes in
CCHmac(CCHmacAlgorithm(hashAlgorithm),
keyBytes, key.count,
messageBytes, message.count,
macBytes)
}
}
}
return macData
}
hashName: name of a hash function as String
message: message as String
key: key as String
returns: digest as Data
func hmac(hashName:String, message:String, key:String) -> Data? {
let messageData = message.data(using:.utf8)!
let keyData = key.data(using:.utf8)!
return hmac(hashName:hashName, message:messageData, key:keyData)
}
hashName: name of a hash function as String
message: message as String
key: key as Data
returns: digest as Data
func hmac(hashName:String, message:String, key:Data) -> Data? {
let messageData = message.data(using:.utf8)!
return hmac(hashName:hashName, message:messageData, key:key)
}
// Examples
let clearString = "clearData0123456"
let keyString = "keyData8901234562"
let clearData = clearString.data(using:.utf8)!
let keyData = keyString.data(using:.utf8)!
print("clearString: \(clearString)")
print("keyString: \(keyString)")
print("clearData: \(clearData as NSData)")
print("keyData: \(keyData as NSData)")
let hmacData1 = hmac(hashName:"SHA1", message:clearData, key:keyData)
print("hmacData1: \(hmacData1! as NSData)")
let hmacData2 = hmac(hashName:"SHA1", message:clearString, key:keyString)
print("hmacData2: \(hmacData2! as NSData)")
let hmacData3 = hmac(hashName:"SHA1", message:clearString, key:keyData)
print("hmacData3: \(hmacData3! as NSData)")
Output:
clearString: clearData0123456
keyString: keyData8901234562
clearData: <636c6561 72446174 61303132 33343536>
keyData: <6b657944 61746138 39303132 33343536 32>
hmacData1: <bb358f41 79b68c08 8e93191a da7dabbc 138f2ae6>
hmacData2: <bb358f41 79b68c08 8e93191a da7dabbc 138f2ae6>
hmacData3: <bb358f41 79b68c08 8e93191a da7dabbc 138f2ae6>
MD2, MD4, MD5, SHA1, SHA224, SHA256, SHA384, SHA512 (Swift 3+)
These functions will hash either String or Data input with one of eight cryptographic hash algorithms.
The name parameter specifies the hash function name as a String
Supported functions are MD2, MD4, MD5, SHA1, SHA224, SHA256, SHA384 and SHA512
a
This example requires Common Crypto
It is necessary to have a bridging header to the project:
#import <CommonCrypto/CommonCrypto.h>
Add the Security.framework to the project.
This function takes a hash name and String to be hashed and returns a Data:
name: A name of a hash function as a String
string: The String to be hashed
returns: the hashed result as Data
func hash(name:String, string:String) -> Data? {
let data = string.data(using:.utf8)!
return hash(name:name, data:data)
}
Examples:
let clearString = "clearData0123456"
let clearData = clearString.data(using:.utf8)!
print("clearString: \(clearString)")
print("clearData: \(clearData as NSData)")
let hashSHA256 = hash(name:"SHA256", string:clearString)
print("hashSHA256: \(hashSHA256! as NSData)")
let hashMD5 = hash(name:"MD5", data:clearData)
print("hashMD5: \(hashMD5! as NSData)")
Output:
clearString: clearData0123456
clearData: <636c6561 72446174 61303132 33343536>
hashSHA256: <aabc766b 6b357564 e41f4f91 2d494bcc bfa16924 b574abbd ba9e3e9d a0c8920a>
hashMD5: <4df665f7 b94aea69 695b0e7b baf9e9d6>
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