---

CODEX_Ciphers::VarRSABlindPlainText Class Reference

Serializable representation of a blinded plaintext for the RSA variant. More...

#include <VarRSA.h>

Inheritance diagram for CODEX_Ciphers::VarRSABlindPlainText:

[legend]Collaboration diagram for CODEX_Ciphers::VarRSABlindPlainText:

[legend]List of all members.

Public Methods
	VarRSABlindPlainText ()
	Default constructor, for creating an object to be unmarshalled.
	VarRSABlindPlainText (BIGNUM *b1, BIGNUM *b2)
	Constructor taking plaintext as a BIGNUMs.
	VarRSABlindPlainText (const CODEX_ASN1::BigNumber &b1, const CODEX_ASN1::BigNumber &b2)
	Constructor taking plaintext as BigNumbers.
	VarRSABlindPlainText (const VarRSABlindPlainText &aOther)
	Copy constructor.
virtual	~VarRSABlindPlainText ()
	Destructor.
void	operator= (const VarRSABlindPlainText &aOther)
	Assignment operator.
const CODEX_ASN1::BigNumber &	b1 () const
const CODEX_ASN1::BigNumber &	b2 () const
BIGNUM *	unblind (const BIGNUM *b, const CODEX_ASN1::BigNumber &modulus, const HashFunction &hashFunc) const
	Unblind a blind plaintext.
int	marshal (unsigned char **pp) const
	Serialize the object.
void *	unmarshal (void *bogus, unsigned char **pp, long length)
	Unserialize the object.

---

Detailed Description

Serializable representation of a blinded plaintext for the RSA variant.

This is a two-part plaintext, where the first part is r*b and the second H(r) XOR m for a blinding factor b, message m, and hash function H.

Definition at line 178 of file VarRSA.h.

---

Member Function Documentation

const CODEX_ASN1::BigNumber& CODEX_Ciphers::VarRSABlindPlainText::b1 (    )  const [inline]

Returns: first element of plain text. b1 = b*r Definition at line 215 of file VarRSA.h. Referenced by VarRSABlindPlainText().

const CODEX_ASN1::BigNumber& CODEX_Ciphers::VarRSABlindPlainText::b2 (    )  const [inline]

Returns: second element of plain text. b2 = H(r) XOR m Definition at line 220 of file VarRSA.h. Referenced by VarRSABlindPlainText().

BIGNUM * VarRSABlindPlainText::unblind (  const BIGNUM *    b, const CODEX_ASN1::BigNumber &    modulus, const HashFunction &    hashFunc )  const

Unblind a blind plaintext. Parameters: b  The blinding factor modulus  The modulus for the group in which ciphertexts live hashFunc  The hash function Returns: A pointer to a new BIGNUM which is the unblinding of the blind plaintext. Definition at line 33 of file VarRSABlindPlainText.cc. References CODEX_Ciphers::BIGNUM_xor(), CODEX_ASN1::BigNumber::marshal(), and CODEX_ASN1::BigNumber::value().

---

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

• VarRSA.h
• VarRSABlindPlainText.cc

---