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Public Member Functions | List of all members
fizz::KeyDerivation Class Referenceabstract

#include <KeyDerivation.h>

Inheritance diagram for fizz::KeyDerivation:
fizz::KeyDerivationImpl< Hash > fizz::MockKeyDerivation

Public Member Functions

virtual ~KeyDerivation ()=default
 
virtual size_t hashLength () const =0
 
virtual folly::ByteRange blankHash () const =0
 
virtual Buf expandLabel (folly::ByteRange secret, folly::StringPiece label, Buf hashValue, uint16_t length)=0
 
virtual std::vector< uint8_t > deriveSecret (folly::ByteRange secret, folly::StringPiece label, folly::ByteRange messageHash)=0
 
virtual Buf hkdfExpand (folly::ByteRange secret, Buf info, uint16_t length)=0
 
virtual std::vector< uint8_t > hkdfExtract (folly::ByteRange salt, folly::ByteRange ikm)=0
 
virtual void hash (const folly::IOBuf &in, folly::MutableByteRange out)=0
 
virtual void hmac (folly::ByteRange key, const folly::IOBuf &in, folly::MutableByteRange out)=0
 

Detailed Description

Interface for common TLS 1.3 key derivation functions.

Definition at line 19 of file KeyDerivation.h.

Constructor & Destructor Documentation

virtual fizz::KeyDerivation::~KeyDerivation ( )
virtualdefault

Member Function Documentation

virtual folly::ByteRange fizz::KeyDerivation::blankHash ( ) const
pure virtual

Returns the hash of a blank input (ie Hash("")).

Implemented in fizz::KeyDerivationImpl< Hash >.

virtual std::vector<uint8_t> fizz::KeyDerivation::deriveSecret ( folly::ByteRange  secret,
folly::StringPiece  label,
folly::ByteRange  messageHash 
)
pure virtual

Implemented in fizz::KeyDerivationImpl< Hash >.

Referenced by fizz::KeyDerivationImpl< Hash >::blankHash(), and fizz::MockKeyDerivation::hkdfExpand().

virtual Buf fizz::KeyDerivation::expandLabel ( folly::ByteRange  secret,
folly::StringPiece  label,
Buf  hashValue,
uint16_t  length 
)
pure virtual

Implemented in fizz::KeyDerivationImpl< Hash >, and fizz::MockKeyDerivation.

Referenced by fizz::KeyDerivationImpl< Hash >::blankHash().

virtual void fizz::KeyDerivation::hash ( const folly::IOBuf &  in,
folly::MutableByteRange  out 
)
pure virtual

Implemented in fizz::KeyDerivationImpl< Hash >.

Referenced by fizz::MockKeyDerivation::hkdfExpand().

virtual size_t fizz::KeyDerivation::hashLength ( ) const
pure virtual

Implemented in fizz::KeyDerivationImpl< Hash >.

virtual Buf fizz::KeyDerivation::hkdfExpand ( folly::ByteRange  secret,
Buf  info,
uint16_t  length 
)
pure virtual

Performs HDKF expansion.

Implemented in fizz::KeyDerivationImpl< Hash >, and fizz::MockKeyDerivation.

Referenced by fizz::KeyDerivationImpl< Hash >::blankHash().

virtual std::vector<uint8_t> fizz::KeyDerivation::hkdfExtract ( folly::ByteRange  salt,
folly::ByteRange  ikm 
)
pure virtual

Implemented in fizz::KeyDerivationImpl< Hash >.

Referenced by fizz::MockKeyDerivation::hkdfExpand().

virtual void fizz::KeyDerivation::hmac ( folly::ByteRange  key,
const folly::IOBuf &  in,
folly::MutableByteRange  out 
)
pure virtual

Implemented in fizz::KeyDerivationImpl< Hash >.

Referenced by fizz::MockKeyDerivation::hkdfExpand().

The documentation for this class was generated from the following file: