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Fix digest on iOS

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This commit is contained in:
Hugo Pointcheval 2020-12-20 22:07:24 +01:00
parent 5404bd5ba8
commit a77ef8df00
1 changed files with 18 additions and 9 deletions
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27
ios/Classes/Hash.swift
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@ -42,24 +42,33 @@ class Hash {
if (data == nil) {
return nil
}
let digestData = Data(count: algorithm.digestLength)
let digestBytes = digestData.withUnsafeBytes { $0.load(as: UnsafeMutablePointer<UInt8>.self) }
let messageBytes = data!.withUnsafeBytes { $0.load(as: UnsafePointer<UInt8>.self) }
let hashBytes = UnsafeMutablePointer<UInt8>.allocate(capacity: algorithm.digestLength)
defer { hashBytes.deallocate() }
switch algorithm {
case .SHA1:
CC_SHA1(messageBytes, CC_LONG(data!.count), digestBytes)
data!.withUnsafeBytes { (buffer) -> Void in
CC_SHA1(buffer.baseAddress!, CC_LONG(buffer.count), hashBytes)
}
case .SHA224:
CC_SHA224(messageBytes, CC_LONG(data!.count), digestBytes)
data!.withUnsafeBytes { (buffer) -> Void in
CC_SHA224(buffer.baseAddress!, CC_LONG(buffer.count), hashBytes)
}
case .SHA256:
CC_SHA256(messageBytes, CC_LONG(data!.count), digestBytes)
data!.withUnsafeBytes { (buffer) -> Void in
CC_SHA256(buffer.baseAddress!, CC_LONG(buffer.count), hashBytes)
}
case .SHA384:
CC_SHA384(messageBytes, CC_LONG(data!.count), digestBytes)
data!.withUnsafeBytes { (buffer) -> Void in
CC_SHA384(buffer.baseAddress!, CC_LONG(buffer.count), hashBytes)
}
case .SHA512:
CC_SHA512(messageBytes, CC_LONG(data!.count), digestBytes)
data!.withUnsafeBytes { (buffer) -> Void in
CC_SHA512(buffer.baseAddress!, CC_LONG(buffer.count), hashBytes)
}
}
return digestData
return Data(bytes: hashBytes, count: algorithm.digestLength)
}
}