From 34f13d589a2ebbcae9230732c7a763b3cdd88b41 Mon Sep 17 00:00:00 2001 From: madmaxoft Date: Wed, 22 Jan 2014 22:26:40 +0100 Subject: Removed CryptoPP files. --- lib/cryptopp/pwdbased.h | 214 ------------------------------------------------ 1 file changed, 214 deletions(-) delete mode 100644 lib/cryptopp/pwdbased.h (limited to 'lib/cryptopp/pwdbased.h') diff --git a/lib/cryptopp/pwdbased.h b/lib/cryptopp/pwdbased.h deleted file mode 100644 index f755724b1..000000000 --- a/lib/cryptopp/pwdbased.h +++ /dev/null @@ -1,214 +0,0 @@ -// pwdbased.h - written and placed in the public domain by Wei Dai - -#ifndef CRYPTOPP_PWDBASED_H -#define CRYPTOPP_PWDBASED_H - -#include "cryptlib.h" -#include "hmac.h" -#include "hrtimer.h" -#include "integer.h" - -NAMESPACE_BEGIN(CryptoPP) - -//! abstract base class for password based key derivation function -class PasswordBasedKeyDerivationFunction -{ -public: - virtual size_t MaxDerivedKeyLength() const =0; - virtual bool UsesPurposeByte() const =0; - //! derive key from password - /*! If timeInSeconds != 0, will iterate until time elapsed, as measured by ThreadUserTimer - Returns actual iteration count, which is equal to iterations if timeInSeconds == 0, and not less than iterations otherwise. */ - virtual unsigned int DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds=0) const =0; -}; - -//! PBKDF1 from PKCS #5, T should be a HashTransformation class -template -class PKCS5_PBKDF1 : public PasswordBasedKeyDerivationFunction -{ -public: - size_t MaxDerivedKeyLength() const {return T::DIGESTSIZE;} - bool UsesPurposeByte() const {return false;} - // PKCS #5 says PBKDF1 should only take 8-byte salts. This implementation allows salts of any length. - unsigned int DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds=0) const; -}; - -//! PBKDF2 from PKCS #5, T should be a HashTransformation class -template -class PKCS5_PBKDF2_HMAC : public PasswordBasedKeyDerivationFunction -{ -public: - size_t MaxDerivedKeyLength() const {return 0xffffffffU;} // should multiply by T::DIGESTSIZE, but gets overflow that way - bool UsesPurposeByte() const {return false;} - unsigned int DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds=0) const; -}; - -/* -class PBKDF2Params -{ -public: - SecByteBlock m_salt; - unsigned int m_interationCount; - ASNOptional > m_keyLength; -}; -*/ - -template -unsigned int PKCS5_PBKDF1::DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds) const -{ - assert(derivedLen <= MaxDerivedKeyLength()); - assert(iterations > 0 || timeInSeconds > 0); - - if (!iterations) - iterations = 1; - - T hash; - hash.Update(password, passwordLen); - hash.Update(salt, saltLen); - - SecByteBlock buffer(hash.DigestSize()); - hash.Final(buffer); - - unsigned int i; - ThreadUserTimer timer; - - if (timeInSeconds) - timer.StartTimer(); - - for (i=1; i -unsigned int PKCS5_PBKDF2_HMAC::DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds) const -{ - assert(derivedLen <= MaxDerivedKeyLength()); - assert(iterations > 0 || timeInSeconds > 0); - - if (!iterations) - iterations = 1; - - HMAC hmac(password, passwordLen); - SecByteBlock buffer(hmac.DigestSize()); - ThreadUserTimer timer; - - unsigned int i=1; - while (derivedLen > 0) - { - hmac.Update(salt, saltLen); - unsigned int j; - for (j=0; j<4; j++) - { - byte b = byte(i >> ((3-j)*8)); - hmac.Update(&b, 1); - } - hmac.Final(buffer); - - size_t segmentLen = STDMIN(derivedLen, buffer.size()); - memcpy(derived, buffer, segmentLen); - - if (timeInSeconds) - { - timeInSeconds = timeInSeconds / ((derivedLen + buffer.size() - 1) / buffer.size()); - timer.StartTimer(); - } - - for (j=1; j -class PKCS12_PBKDF : public PasswordBasedKeyDerivationFunction -{ -public: - size_t MaxDerivedKeyLength() const {return size_t(0)-1;} - bool UsesPurposeByte() const {return true;} - unsigned int DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds) const; -}; - -template -unsigned int PKCS12_PBKDF::DeriveKey(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds) const -{ - assert(derivedLen <= MaxDerivedKeyLength()); - assert(iterations > 0 || timeInSeconds > 0); - - if (!iterations) - iterations = 1; - - const size_t v = T::BLOCKSIZE; // v is in bytes rather than bits as in PKCS #12 - const size_t DLen = v, SLen = RoundUpToMultipleOf(saltLen, v); - const size_t PLen = RoundUpToMultipleOf(passwordLen, v), ILen = SLen + PLen; - SecByteBlock buffer(DLen + SLen + PLen); - byte *D = buffer, *S = buffer+DLen, *P = buffer+DLen+SLen, *I = S; - - memset(D, purpose, DLen); - size_t i; - for (i=0; i 0) - { - hash.CalculateDigest(Ai, buffer, buffer.size()); - - if (timeInSeconds) - { - timeInSeconds = timeInSeconds / ((derivedLen + Ai.size() - 1) / Ai.size()); - timer.StartTimer(); - } - - for (i=1; i