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Sha2Impl.hpp File Reference
#include <sstream>
#include <iomanip>
#include <string.h>
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Namespaces

namespace  icl_core
namespace  icl_core::crypt
 

Contains cryptographic functions.


Defines

#define bswaparr(buf, T, i)
#define bswaparr64(buf, T, i)
#define Ch(x, y, z)   ((z) ^ ((x) & ((y) ^ (z))))
 FIPS PUB 180-3 "Ch" operation.
#define CLASSM   Sha2Impl<T, t_h0, t_h1, t_h2, t_h3, t_h4, t_h5, t_h6, t_h7, t_len>
#define CLASSM   Sha2Impl<uint64_t, t_h0, t_h1, t_h2, t_h3, t_h4, t_h5, t_h6, t_h7, t_len>
#define Maj(x, y, z)   (((x) & (y)) | ((z) & ((x) ^ (y))))
 FIPS PUB 180-3 "Maj" operation.
#define Rotr(x, n, nbits)   (((x) >> (n)) | ((x) << ((nbits)-(n))))
 Right rotation.
#define round_0_15(a, b, c, d, e, f, g, h, K, W, t)
#define round_0_15(a, b, c, d, e, f, g, h, K, W, t)
#define round_16_63(a, b, c, d, e, f, g, h, K, W, t)
#define round_16_79(a, b, c, d, e, f, g, h, K, W, t)
#define Shr(x, n)   ((x) >> (n))
 Right shift.
#define Sigma0_256(x)   (Rotr((x), 2, 32) ^ Rotr((x), 13, 32) ^ Rotr((x), 22, 32))
#define sigma0_256(x)   (Rotr((x), 7, 32) ^ Rotr((x), 18, 32) ^ Shr((x), 3))
#define Sigma0_512(x)   (Rotr((x), 28, 64) ^ Rotr((x), 34, 64) ^ Rotr((x), 39, 64))
#define sigma0_512(x)   (Rotr((x), 1, 64) ^ Rotr((x), 8, 64) ^ Shr((x), 7))
#define Sigma1_256(x)   (Rotr((x), 6, 32) ^ Rotr((x), 11, 32) ^ Rotr((x), 25, 32))
#define sigma1_256(x)   (Rotr((x), 17, 32) ^ Rotr((x), 19, 32) ^ Shr((x), 10))
#define Sigma1_512(x)   (Rotr((x), 14, 64) ^ Rotr((x), 18, 64) ^ Rotr((x), 41, 64))
#define sigma1_512(x)   (Rotr((x), 19, 64) ^ Rotr((x), 61, 64) ^ Shr((x), 6))
#define TEMPLATEM   template <typename T, T t_h0, T t_h1, T t_h2, T t_h3, T t_h4, T t_h5, T t_h6, T t_h7, size_t t_len>
#define TEMPLATEM   template <uint64_t t_h0, uint64_t t_h1, uint64_t t_h2, uint64_t t_h3, uint64_t t_h4, uint64_t t_h5, uint64_t t_h6, uint64_t t_h7, size_t t_len>
#define wv(i)   v##i
 Flexible variable mapping to avoid unnecessary copying.

Variables

static const uint32_t icl_core::crypt::k256 [64]
static const uint64_t icl_core::crypt::k512 [80]

Detailed Description

Author:
Jan Oberländer <oberlaen@fzi.de>
Date:
2012-01-19

Definition in file Sha2Impl.hpp.

Define Documentation

#define bswaparr (   buf,
  T,
  i 
)
Value:
((static_cast<T>(buf[(i)*4+3])      ) |     \
                             (static_cast<T>(buf[(i)*4+2]) <<  8) |     \
                             (static_cast<T>(buf[(i)*4+1]) << 16) |     \
                             (static_cast<T>(buf[(i)*4+0]) << 24))

Definition at line 68 of file Sha2Impl.hpp.

#define bswaparr64 (   buf,
  T,
  i 
)
Value:
((static_cast<T>(buf[(i)*8+7])      ) |   \
                               (static_cast<T>(buf[(i)*8+6]) <<  8) |   \
                               (static_cast<T>(buf[(i)*8+5]) << 16) |   \
                               (static_cast<T>(buf[(i)*8+4]) << 24) |   \
                               (static_cast<T>(buf[(i)*8+3]) << 32) |   \
                               (static_cast<T>(buf[(i)*8+2]) << 40) |   \
                               (static_cast<T>(buf[(i)*8+1]) << 48) |   \
                               (static_cast<T>(buf[(i)*8+0]) << 56))

Definition at line 73 of file Sha2Impl.hpp.

#define Ch (   x,
  y,
  z 
)    ((z) ^ ((x) & ((y) ^ (z))))

FIPS PUB 180-3 "Ch" operation.

Definition at line 83 of file Sha2Impl.hpp.

#define CLASSM   Sha2Impl<T, t_h0, t_h1, t_h2, t_h3, t_h4, t_h5, t_h6, t_h7, t_len>

Definition at line 266 of file Sha2Impl.hpp.

#define CLASSM   Sha2Impl<uint64_t, t_h0, t_h1, t_h2, t_h3, t_h4, t_h5, t_h6, t_h7, t_len>

Definition at line 266 of file Sha2Impl.hpp.

#define Maj (   x,
  y,
  z 
)    (((x) & (y)) | ((z) & ((x) ^ (y))))

FIPS PUB 180-3 "Maj" operation.

Definition at line 85 of file Sha2Impl.hpp.

#define Rotr (   x,
  n,
  nbits 
)    (((x) >> (n)) | ((x) << ((nbits)-(n))))

Right rotation.

Definition at line 87 of file Sha2Impl.hpp.

#define round_0_15 (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h,
  K,
  W,
  t 
)
Value:
T1 = wv(h) + Sigma1_256(wv(e)) + Ch(wv(e), wv(f), wv(g)) + K[t] + W[t&15]; \
  T2 = Sigma0_256(wv(a)) + Maj(wv(a), wv(b), wv(c));                    \
  wv(d) += T1;                                                          \
  wv(h) = T1 + T2;

Definition at line 305 of file Sha2Impl.hpp.

#define round_0_15 (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h,
  K,
  W,
  t 
)
Value:
T1 = wv(h) + Sigma1_512(wv(e)) + Ch(wv(e), wv(f), wv(g)) + K[t] + W[t&15]; \
  T2 = Sigma0_512(wv(a)) + Maj(wv(a), wv(b), wv(c));                    \
  wv(d) += T1;                                                          \
  wv(h) = T1 + T2;

Definition at line 305 of file Sha2Impl.hpp.

#define round_16_63 (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h,
  K,
  W,
  t 
)
Value:
W[(t)&15] += sigma1_256(W[(t+14)&15]) + W[(t+9)&15] + sigma0_256(W[(t+1)&15]); \
  T1 = wv(h) + Sigma1_256(wv(e)) + Ch(wv(e), wv(f), wv(g)) + K[t] + W[t&15]; \
  T2 = Sigma0_256(wv(a)) + Maj(wv(a), wv(b), wv(c));                    \
  wv(d) += T1;                                                          \
  wv(h) = T1 + T2;

Definition at line 119 of file Sha2Impl.hpp.

#define round_16_79 (   a,
  b,
  c,
  d,
  e,
  f,
  g,
  h,
  K,
  W,
  t 
)
Value:
W[(t)&15] += sigma1_512(W[(t+14)&15]) + W[(t+9)&15] + sigma0_512(W[(t+1)&15]); \
  T1 = wv(h) + Sigma1_512(wv(e)) + Ch(wv(e), wv(f), wv(g)) + K[t] + W[t&15]; \
  T2 = Sigma0_512(wv(a)) + Maj(wv(a), wv(b), wv(c));                    \
  wv(d) += T1;                                                          \
  wv(h) = T1 + T2;

Definition at line 311 of file Sha2Impl.hpp.

#define Shr (   x,
  n 
)    ((x) >> (n))

Right shift.

Definition at line 89 of file Sha2Impl.hpp.

#define Sigma0_256 (   x)    (Rotr((x), 2, 32) ^ Rotr((x), 13, 32) ^ Rotr((x), 22, 32))

Definition at line 93 of file Sha2Impl.hpp.

#define sigma0_256 (   x)    (Rotr((x), 7, 32) ^ Rotr((x), 18, 32) ^ Shr((x), 3))

Definition at line 95 of file Sha2Impl.hpp.

#define Sigma0_512 (   x)    (Rotr((x), 28, 64) ^ Rotr((x), 34, 64) ^ Rotr((x), 39, 64))

Definition at line 268 of file Sha2Impl.hpp.

#define sigma0_512 (   x)    (Rotr((x), 1, 64) ^ Rotr((x), 8, 64) ^ Shr((x), 7))

Definition at line 270 of file Sha2Impl.hpp.

#define Sigma1_256 (   x)    (Rotr((x), 6, 32) ^ Rotr((x), 11, 32) ^ Rotr((x), 25, 32))

Definition at line 94 of file Sha2Impl.hpp.

#define sigma1_256 (   x)    (Rotr((x), 17, 32) ^ Rotr((x), 19, 32) ^ Shr((x), 10))

Definition at line 96 of file Sha2Impl.hpp.

#define Sigma1_512 (   x)    (Rotr((x), 14, 64) ^ Rotr((x), 18, 64) ^ Rotr((x), 41, 64))

Definition at line 269 of file Sha2Impl.hpp.

#define sigma1_512 (   x)    (Rotr((x), 19, 64) ^ Rotr((x), 61, 64) ^ Shr((x), 6))

Definition at line 271 of file Sha2Impl.hpp.

#define TEMPLATEM   template <typename T, T t_h0, T t_h1, T t_h2, T t_h3, T t_h4, T t_h5, T t_h6, T t_h7, size_t t_len>

Definition at line 265 of file Sha2Impl.hpp.

#define TEMPLATEM   template <uint64_t t_h0, uint64_t t_h1, uint64_t t_h2, uint64_t t_h3, uint64_t t_h4, uint64_t t_h5, uint64_t t_h6, uint64_t t_h7, size_t t_len>

Definition at line 265 of file Sha2Impl.hpp.

#define wv (   i)    v##i

Flexible variable mapping to avoid unnecessary copying.

Definition at line 91 of file Sha2Impl.hpp.


fzi_icl_core
Author(s):
autogenerated on Tue Aug 8 2017 02:28:04