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-rw-r--r--src/lib/hash/tiger/tiger.cpp190
1 files changed, 0 insertions, 190 deletions
diff --git a/src/lib/hash/tiger/tiger.cpp b/src/lib/hash/tiger/tiger.cpp
deleted file mode 100644
index ac2038a0f..000000000
--- a/src/lib/hash/tiger/tiger.cpp
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
-* Tiger
-* (C) 1999-2007 Jack Lloyd
-*
-* Botan is released under the Simplified BSD License (see license.txt)
-*/
-
-#include <botan/tiger.h>
-#include <botan/loadstor.h>
-#include <botan/exceptn.h>
-
-namespace Botan {
-
-std::unique_ptr<HashFunction> Tiger::copy_state() const
- {
- return std::unique_ptr<HashFunction>(new Tiger(*this));
- }
-
-namespace {
-
-/*
-* Tiger Mixing Function
-*/
-inline void mix(secure_vector<uint64_t>& X)
- {
- X[0] -= X[7] ^ 0xA5A5A5A5A5A5A5A5;
- X[1] ^= X[0];
- X[2] += X[1];
- X[3] -= X[2] ^ ((~X[1]) << 19);
- X[4] ^= X[3];
- X[5] += X[4];
- X[6] -= X[5] ^ ((~X[4]) >> 23);
- X[7] ^= X[6];
-
- X[0] += X[7];
- X[1] -= X[0] ^ ((~X[7]) << 19);
- X[2] ^= X[1];
- X[3] += X[2];
- X[4] -= X[3] ^ ((~X[2]) >> 23);
- X[5] ^= X[4];
- X[6] += X[5];
- X[7] -= X[6] ^ 0x0123456789ABCDEF;
- }
-
-}
-
-/*
-* Tiger Compression Function
-*/
-void Tiger::compress_n(const uint8_t input[], size_t blocks)
- {
- uint64_t A = m_digest[0], B = m_digest[1], C = m_digest[2];
-
- for(size_t i = 0; i != blocks; ++i)
- {
- load_le(m_X.data(), input, m_X.size());
-
- pass(A, B, C, m_X, 5); mix(m_X);
- pass(C, A, B, m_X, 7); mix(m_X);
- pass(B, C, A, m_X, 9);
-
- for(size_t j = 3; j != m_passes; ++j)
- {
- mix(m_X);
- pass(A, B, C, m_X, 9);
- uint64_t T = A; A = C; C = B; B = T;
- }
-
- A = (m_digest[0] ^= A);
- B = m_digest[1] = B - m_digest[1];
- C = (m_digest[2] += C);
-
- input += hash_block_size();
- }
- }
-
-/*
-* Copy out the digest
-*/
-void Tiger::copy_out(uint8_t output[])
- {
- copy_out_vec_le(output, output_length(), m_digest);
- }
-
-/*
-* Tiger Pass
-*/
-void Tiger::pass(uint64_t& A, uint64_t& B, uint64_t& C,
- const secure_vector<uint64_t>& X,
- uint8_t mul)
- {
- C ^= X[0];
- A -= SBOX1[get_byte(7, C)] ^ SBOX2[get_byte(5, C)] ^
- SBOX3[get_byte(3, C)] ^ SBOX4[get_byte(1, C)];
- B += SBOX1[get_byte(0, C)] ^ SBOX2[get_byte(2, C)] ^
- SBOX3[get_byte(4, C)] ^ SBOX4[get_byte(6, C)];
- B *= mul;
-
- A ^= X[1];
- B -= SBOX1[get_byte(7, A)] ^ SBOX2[get_byte(5, A)] ^
- SBOX3[get_byte(3, A)] ^ SBOX4[get_byte(1, A)];
- C += SBOX1[get_byte(0, A)] ^ SBOX2[get_byte(2, A)] ^
- SBOX3[get_byte(4, A)] ^ SBOX4[get_byte(6, A)];
- C *= mul;
-
- B ^= X[2];
- C -= SBOX1[get_byte(7, B)] ^ SBOX2[get_byte(5, B)] ^
- SBOX3[get_byte(3, B)] ^ SBOX4[get_byte(1, B)];
- A += SBOX1[get_byte(0, B)] ^ SBOX2[get_byte(2, B)] ^
- SBOX3[get_byte(4, B)] ^ SBOX4[get_byte(6, B)];
- A *= mul;
-
- C ^= X[3];
- A -= SBOX1[get_byte(7, C)] ^ SBOX2[get_byte(5, C)] ^
- SBOX3[get_byte(3, C)] ^ SBOX4[get_byte(1, C)];
- B += SBOX1[get_byte(0, C)] ^ SBOX2[get_byte(2, C)] ^
- SBOX3[get_byte(4, C)] ^ SBOX4[get_byte(6, C)];
- B *= mul;
-
- A ^= X[4];
- B -= SBOX1[get_byte(7, A)] ^ SBOX2[get_byte(5, A)] ^
- SBOX3[get_byte(3, A)] ^ SBOX4[get_byte(1, A)];
- C += SBOX1[get_byte(0, A)] ^ SBOX2[get_byte(2, A)] ^
- SBOX3[get_byte(4, A)] ^ SBOX4[get_byte(6, A)];
- C *= mul;
-
- B ^= X[5];
- C -= SBOX1[get_byte(7, B)] ^ SBOX2[get_byte(5, B)] ^
- SBOX3[get_byte(3, B)] ^ SBOX4[get_byte(1, B)];
- A += SBOX1[get_byte(0, B)] ^ SBOX2[get_byte(2, B)] ^
- SBOX3[get_byte(4, B)] ^ SBOX4[get_byte(6, B)];
- A *= mul;
-
- C ^= X[6];
- A -= SBOX1[get_byte(7, C)] ^ SBOX2[get_byte(5, C)] ^
- SBOX3[get_byte(3, C)] ^ SBOX4[get_byte(1, C)];
- B += SBOX1[get_byte(0, C)] ^ SBOX2[get_byte(2, C)] ^
- SBOX3[get_byte(4, C)] ^ SBOX4[get_byte(6, C)];
- B *= mul;
-
- A ^= X[7];
- B -= SBOX1[get_byte(7, A)] ^ SBOX2[get_byte(5, A)] ^
- SBOX3[get_byte(3, A)] ^ SBOX4[get_byte(1, A)];
- C += SBOX1[get_byte(0, A)] ^ SBOX2[get_byte(2, A)] ^
- SBOX3[get_byte(4, A)] ^ SBOX4[get_byte(6, A)];
- C *= mul;
- }
-
-/*
-* Clear memory of sensitive data
-*/
-void Tiger::clear()
- {
- MDx_HashFunction::clear();
- zeroise(m_X);
- m_digest[0] = 0x0123456789ABCDEF;
- m_digest[1] = 0xFEDCBA9876543210;
- m_digest[2] = 0xF096A5B4C3B2E187;
- }
-
-/*
-* Return the name of this type
-*/
-std::string Tiger::name() const
- {
- return "Tiger(" + std::to_string(output_length()) + "," +
- std::to_string(m_passes) + ")";
- }
-
-/*
-* Tiger Constructor
-*/
-Tiger::Tiger(size_t hash_len, size_t passes) :
- MDx_HashFunction(64, false, false),
- m_X(8),
- m_digest(3),
- m_hash_len(hash_len),
- m_passes(passes)
- {
- if(output_length() != 16 && output_length() != 20 && output_length() != 24)
- throw Invalid_Argument("Tiger: Illegal hash output size: " +
- std::to_string(output_length()));
-
- if(passes < 3)
- throw Invalid_Argument("Tiger: Invalid number of passes: "
- + std::to_string(passes));
- clear();
- }
-
-}