Package org.alfresco.encryption
Class MACUtils
- java.lang.Object
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- org.alfresco.encryption.MACUtils
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public class MACUtils extends java.lang.Object
Provides support for generating and checking MACs (Message Authentication Codes) using Alfresco's secret keys.- Since:
- 4.0
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
MACUtils.MACInput
Represents the information to be fed into the MAC generator
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Constructor Summary
Constructors Constructor Description MACUtils()
Default constructor for IOC
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description byte[]
generateMAC(java.lang.String keyAlias, MACUtils.MACInput macInput)
protected javax.crypto.Mac
getMac(java.lang.String keyAlias)
protected byte[]
longToByteArray(long l)
void
setKeyProvider(KeyProvider keyProvider)
void
setMacAlgorithm(java.lang.String macAlgorithm)
boolean
validateMAC(java.lang.String keyAlias, byte[] expectedMAC, MACUtils.MACInput macInput)
Compares the expectedMAC against the MAC generated from Assumes message has been decrypted
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Method Detail
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setKeyProvider
public void setKeyProvider(KeyProvider keyProvider)
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setMacAlgorithm
public void setMacAlgorithm(java.lang.String macAlgorithm)
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getMac
protected javax.crypto.Mac getMac(java.lang.String keyAlias) throws java.lang.Exception
- Throws:
java.lang.Exception
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longToByteArray
protected byte[] longToByteArray(long l) throws java.io.IOException
- Throws:
java.io.IOException
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generateMAC
public byte[] generateMAC(java.lang.String keyAlias, MACUtils.MACInput macInput)
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validateMAC
public boolean validateMAC(java.lang.String keyAlias, byte[] expectedMAC, MACUtils.MACInput macInput)
Compares the expectedMAC against the MAC generated from Assumes message has been decrypted- Parameters:
keyAlias
- StringexpectedMAC
- byte[]macInput
- MACInput- Returns:
- boolean
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