/* Derived from source code of TrueCrypt 7.1a, which is Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed by the TrueCrypt License 3.0. Modifications and additions to the original source code (contained in this file) and all other portions of this file are Copyright (c) 2013-2015 IDRIX and are governed by the Apache License 2.0 the full text of which is contained in the file License.txt included in VeraCrypt binary and source code distribution packages. */ #include "Hash.h" #include "Crypto/Rmd160.h" #include "Crypto/Sha2.h" #include "Crypto/Whirlpool.h" namespace VeraCrypt { HashList Hash::GetAvailableAlgorithms () { HashList l; l.push_back (shared_ptr <Hash> (new Sha512 ())); l.push_back (shared_ptr <Hash> (new Whirlpool ())); l.push_back (shared_ptr <Hash> (new Sha256 ())); l.push_back (shared_ptr <Hash> (new Ripemd160 ())); return l; } void Hash::ValidateDataParameters (const ConstBufferPtr &data) const { if (data.Size() < 1) throw ParameterIncorrect (SRC_POS); } void Hash::ValidateDigestParameters (const BufferPtr &buffer) const { if (buffer.Size() != GetDigestSize ()) throw ParameterIncorrect (SRC_POS); } // RIPEMD-160 Ripemd160::Ripemd160 () { Deprecated = true; // Mark RIPEMD-160 as deprecated like on Windows. Context.Allocate (sizeof (RMD160_CTX)); Init(); } void Ripemd160::GetDigest (const BufferPtr &buffer) { if_debug (ValidateDigestParameters (buffer)); RMD160Final (buffer, (RMD160_CTX *) Context.Ptr()); } void Ripemd160::Init () { RMD160Init ((RMD160_CTX *) Context.Ptr()); } void Ripemd160::ProcessData (const ConstBufferPtr &data) { if_debug (ValidateDataParameters (data)); RMD160Update ((RMD160_CTX *) Context.Ptr(), data.Get(), (int) data.Size()); } // SHA-256 Sha256::Sha256 () { Context.Allocate (sizeof (sha256_ctx)); Init(); } void Sha256::GetDigest (const BufferPtr &buffer) { if_debug (ValidateDigestParameters (buffer)); sha256_end (buffer, (sha256_ctx *) Context.Ptr()); } void Sha256::Init () { sha256_begin ((sha256_ctx *) Context.Ptr()); } void Sha256::ProcessData (const ConstBufferPtr &data) { if_debug (ValidateDataParameters (data)); sha256_hash (data.Get(), (int) data.Size(), (sha256_ctx *) Context.Ptr()); } // SHA-512 Sha512::Sha512 () { Context.Allocate (sizeof (sha512_ctx)); Init(); } void Sha512::GetDigest (const BufferPtr &buffer) { if_debug (ValidateDigestParameters (buffer)); sha512_end (buffer, (sha512_ctx *) Context.Ptr()); } void Sha512::Init () { sha512_begin ((sha512_ctx *) Context.Ptr()); } void Sha512::ProcessData (const ConstBufferPtr &data) { if_debug (ValidateDataParameters (data)); sha512_hash (data.Get(), (int) data.Size(), (sha512_ctx *) Context.Ptr()); } // Whirlpool Whirlpool::Whirlpool () { Context.Allocate (sizeof (WHIRLPOOL_CTX)); Init(); } void Whirlpool::GetDigest (const BufferPtr &buffer) { if_debug (ValidateDigestParameters (buffer)); WHIRLPOOL_finalize ((WHIRLPOOL_CTX *) Context.Ptr(), buffer); } void Whirlpool::Init () { WHIRLPOOL_init ((WHIRLPOOL_CTX *) Context.Ptr()); } void Whirlpool::ProcessData (const ConstBufferPtr &data) { if_debug (ValidateDataParameters (data)); WHIRLPOOL_add (data.Get(), (int) data.Size() * 8, (WHIRLPOOL_CTX *) Context.Ptr()); } }