D:/opendownloadmanager/ODM-1.x/Hash/sha2.cpp File Reference

#include <string.h>
#include <stdlib.h>
#include "sha2.h"
#include <sys/param.h>

Go to the source code of this file.

Defines

#define SHA_2
#define SHA_256
#define SHA_384
#define SHA_512
#define SHA_LITTLE_ENDIAN   1234
#define SHA_BIG_ENDIAN   4321
#define rotr32(x, n)   (((x) >> n) | ((x) << (32 - n)))
#define bswap_32(x)   (rotr32((x), 24) & 0x00ff00ff | rotr32((x), 8) & 0xff00ff00)
#define SHA256_MASK   (SHA256_BLOCK_SIZE - 1)
#define bsw_32(p, n)
#define ch(x, y, z)   (((x) & (y)) ^ (~(x) & (z)))
#define maj(x, y, z)   (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
#define s256_0(x)   (rotr32((x), 2) ^ rotr32((x), 13) ^ rotr32((x), 22))
#define s256_1(x)   (rotr32((x), 6) ^ rotr32((x), 11) ^ rotr32((x), 25))
#define g256_0(x)   (rotr32((x), 7) ^ rotr32((x), 18) ^ ((x) >> 3))
#define g256_1(x)   (rotr32((x), 17) ^ rotr32((x), 19) ^ ((x) >> 10))
#define h2(i)
#define h2_cycle(i, j)
#define SHA512_MASK   (SHA512_BLOCK_SIZE - 1)
#define rotr64(x, n)   (((x) >> n) | ((x) << (64 - n)))
#define bswap_64(x)   (((sha2_64t)(bswap_32((sha2_32t)(x)))) << 32 | bswap_32((sha2_32t)((x) >> 32)))
#define bsw_64(p, n)
#define s512_0(x)   (rotr64((x), 28) ^ rotr64((x), 34) ^ rotr64((x), 39))
#define s512_1(x)   (rotr64((x), 14) ^ rotr64((x), 18) ^ rotr64((x), 41))
#define g512_0(x)   (rotr64((x), 1) ^ rotr64((x), 8) ^ ((x) >> 7))
#define g512_1(x)   (rotr64((x), 19) ^ rotr64((x), 61) ^ ((x) >> 6))
#define h5(i)
#define h5_cycle(i, j)
#define CTX_256(x)   ((x)->uu->ctx256)
#define CTX_384(x)   ((x)->uu->ctx512)
#define CTX_512(x)   ((x)->uu->ctx512)

Functions

void sha256_begin (sha256_ctx ctx[1])
void sha256_compile (sha256_ctx ctx[1])
void sha256_hash (const unsigned char data[], unsigned long len, sha256_ctx ctx[1])
void sha256_end (unsigned char hval[], sha256_ctx ctx[1])
void sha256 (unsigned char hval[], const unsigned char data[], unsigned long len)
void sha512_compile (sha512_ctx ctx[1])
void sha512_hash (const unsigned char data[], unsigned long len, sha512_ctx ctx[1])
static void sha_end (unsigned char hval[], sha512_ctx ctx[1], const unsigned int hlen)
void sha384_begin (sha384_ctx ctx[1])
void sha384_end (unsigned char hval[], sha384_ctx ctx[1])
void sha384 (unsigned char hval[], const unsigned char data[], unsigned long len)
void sha512_begin (sha512_ctx ctx[1])
void sha512_end (unsigned char hval[], sha512_ctx ctx[1])
void sha512 (unsigned char hval[], const unsigned char data[], unsigned long len)
int sha2_begin (unsigned long len, sha2_ctx ctx[1])
void sha2_hash (const unsigned char data[], unsigned long len, sha2_ctx ctx[1])
void sha2_end (unsigned char hval[], sha2_ctx ctx[1])
int sha2 (unsigned char hval[], unsigned long size, const unsigned char data[], unsigned long len)

Variables

const sha2_32t k256 [64]
const sha2_32t i256 [8]
static sha2_32t m1 [4]
static sha2_32t b1 [4]
const sha2_64t k512 [80]
static sha2_64t m2 [8]
static sha2_64t b2 [8]
const sha2_64t i384 [80]
const sha2_64t i512 [80]

Define Documentation

#define bsw_32 ( p,
n   ) 

Definition at line 112 of file sha2.cpp.

Referenced by sha256_end(), and sha256_hash().

#define bsw_64 ( p,
n   ) 

Definition at line 273 of file sha2.cpp.

Referenced by sha512_hash(), and sha_end().

#define bswap_32 ( x   )     (rotr32((x), 24) & 0x00ff00ff | rotr32((x), 8) & 0xff00ff00)

Definition at line 96 of file sha2.cpp.

#define bswap_64 ( x   )     (((sha2_64t)(bswap_32((sha2_32t)(x)))) << 32 | bswap_32((sha2_32t)((x) >> 32)))

Definition at line 267 of file sha2.cpp.

#define ch ( x,
y,
z   )     (((x) & (y)) ^ (~(x) & (z)))

Definition at line 115 of file sha2.cpp.

#define CTX_256 ( x   )     ((x)->uu->ctx256)

Definition at line 493 of file sha2.cpp.

Referenced by sha2_begin(), sha2_end(), and sha2_hash().

#define CTX_384 ( x   )     ((x)->uu->ctx512)

Definition at line 494 of file sha2.cpp.

Referenced by sha2_begin(), sha2_end(), and sha2_hash().

#define CTX_512 ( x   )     ((x)->uu->ctx512)

Definition at line 495 of file sha2.cpp.

Referenced by sha2_begin(), sha2_end(), and sha2_hash().

#define g256_0 ( x   )     (rotr32((x), 7) ^ rotr32((x), 18) ^ ((x) >> 3))

Definition at line 120 of file sha2.cpp.

#define g256_1 ( x   )     (rotr32((x), 17) ^ rotr32((x), 19) ^ ((x) >> 10))

Definition at line 121 of file sha2.cpp.

#define g512_0 ( x   )     (rotr64((x), 1) ^ rotr64((x), 8) ^ ((x) >> 7))

Definition at line 278 of file sha2.cpp.

#define g512_1 ( x   )     (rotr64((x), 19) ^ rotr64((x), 61) ^ ((x) >> 6))

Definition at line 279 of file sha2.cpp.

#define h2 ( i   ) 

Value:

ctx->wbuf[i & 15] += \
    g256_1(ctx->wbuf[(i + 14) & 15]) + ctx->wbuf[(i + 9) & 15] + g256_0(ctx->wbuf[(i + 1) & 15])

Definition at line 123 of file sha2.cpp.

Referenced by libtorrent::dht::node_impl::verify_token().

#define h2_cycle ( i,
j   ) 

Value:

v[(7 - i) & 7] += (j ? h2(i) : ctx->wbuf[i & 15]) + k256[i + j] \
        + s256_1(v[(4 - i) & 7]) + ch(v[(4 - i) & 7], v[(5 - i) & 7], v[(6 - i) & 7]); \
    v[(3 - i) & 7] += v[(7 - i) & 7]; \
    v[(7 - i) & 7] += s256_0(v[(0 - i) & 7]) + maj(v[(0 - i) & 7], v[(1 - i) & 7], v[(2 - i) & 7])

Definition at line 126 of file sha2.cpp.

Referenced by sha256_compile().

#define h5 ( i   ) 

Value:

ctx->wbuf[i & 15] += \
    g512_1(ctx->wbuf[(i + 14) & 15]) + ctx->wbuf[(i + 9) & 15] + g512_0(ctx->wbuf[(i + 1) & 15])

Definition at line 281 of file sha2.cpp.

#define h5_cycle ( i,
j   ) 

Value:

v[(7 - i) & 7] += (j ? h5(i) : ctx->wbuf[i & 15]) + k512[i + j] \
        + s512_1(v[(4 - i) & 7]) + ch(v[(4 - i) & 7], v[(5 - i) & 7], v[(6 - i) & 7]); \
    v[(3 - i) & 7] += v[(7 - i) & 7]; \
    v[(7 - i) & 7] += s512_0(v[(0 - i) & 7]) + maj(v[(0 - i) & 7], v[(1 - i) & 7], v[(2 - i) & 7])

Definition at line 284 of file sha2.cpp.

Referenced by sha512_compile().

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

Definition at line 116 of file sha2.cpp.

#define rotr32 ( x,
n   )     (((x) >> n) | ((x) << (32 - n)))

Definition at line 93 of file sha2.cpp.

#define rotr64 ( x,
n   )     (((x) >> n) | ((x) << (64 - n)))

Definition at line 264 of file sha2.cpp.

#define s256_0 ( x   )     (rotr32((x), 2) ^ rotr32((x), 13) ^ rotr32((x), 22))

Definition at line 118 of file sha2.cpp.

#define s256_1 ( x   )     (rotr32((x), 6) ^ rotr32((x), 11) ^ rotr32((x), 25))

Definition at line 119 of file sha2.cpp.

#define s512_0 ( x   )     (rotr64((x), 28) ^ rotr64((x), 34) ^ rotr64((x), 39))

Definition at line 276 of file sha2.cpp.

#define s512_1 ( x   )     (rotr64((x), 14) ^ rotr64((x), 18) ^ rotr64((x), 41))

Definition at line 277 of file sha2.cpp.

#define SHA256_MASK   (SHA256_BLOCK_SIZE - 1)

Definition at line 107 of file sha2.cpp.

Referenced by sha256_end(), and sha256_hash().

#define SHA512_MASK   (SHA512_BLOCK_SIZE - 1)

Definition at line 262 of file sha2.cpp.

Referenced by sha512_hash(), and sha_end().

#define SHA_2

Definition at line 5 of file sha2.cpp.

#define SHA_256

Definition at line 6 of file sha2.cpp.

#define SHA_384

Definition at line 7 of file sha2.cpp.

#define SHA_512

Definition at line 8 of file sha2.cpp.

#define SHA_BIG_ENDIAN   4321

Definition at line 43 of file sha2.cpp.

#define SHA_LITTLE_ENDIAN   1234

Definition at line 42 of file sha2.cpp.

Function Documentation

int sha2 ( unsigned char  hval[],
unsigned long  size,
const unsigned char  data[],
unsigned long  len 
)

Definition at line 536 of file sha2.cpp.

References SHA2_BAD, sha2_begin(), sha2_end(), SHA2_GOOD, and sha2_hash().

Referenced by vmsHash::Hash_SHA2().

void sha256 ( unsigned char  hval[],
const unsigned char  data[],
unsigned long  len 
)

Definition at line 252 of file sha2.cpp.

References sha256_begin(), sha256_end(), and sha256_hash().

void sha256_begin ( sha256_ctx  ctx[1]  ) 

Definition at line 157 of file sha2.cpp.

References sha256_ctx::count, sha256_ctx::hash, and i256.

Referenced by sha256().

void sha256_compile ( sha256_ctx  ctx[1]  ) 

Definition at line 163 of file sha2.cpp.

References h2_cycle, and sha256_ctx::hash.

Referenced by sha256_end(), and sha256_hash().

void sha256_end ( unsigned char  hval[],
sha256_ctx  ctx[1] 
)

Definition at line 209 of file sha2.cpp.

References b1, bsw_32, sha256_ctx::count, sha256_ctx::hash, m1, SHA256_BLOCK_SIZE, sha256_compile(), SHA256_DIGEST_SIZE, SHA256_MASK, and sha256_ctx::wbuf.

Referenced by sha256(), and sha2_end().

void sha256_hash ( const unsigned char  data[],
unsigned long  len,
sha256_ctx  ctx[1] 
)

Definition at line 180 of file sha2.cpp.

References bsw_32, sha256_ctx::count, pos(), SHA256_BLOCK_SIZE, sha256_compile(), SHA256_MASK, and sha256_ctx::wbuf.

Referenced by sha256(), and sha2_hash().

int sha2_begin ( unsigned long  len,
sha2_ctx  ctx[1] 
)

Definition at line 497 of file sha2.cpp.

References CTX_256, CTX_384, CTX_512, i256, i384, i512, l, SHA2_BAD, SHA2_GOOD, and sha2_ctx::sha2_len.

Referenced by vmsHash::Hash_SHA2(), and sha2().

void sha2_end ( unsigned char  hval[],
sha2_ctx  ctx[1] 
)

Definition at line 526 of file sha2.cpp.

References CTX_256, CTX_384, CTX_512, sha256_end(), sha2_ctx::sha2_len, SHA384_DIGEST_SIZE, SHA512_DIGEST_SIZE, and sha_end().

Referenced by vmsHash::Hash_SHA2(), and sha2().

void sha2_hash ( const unsigned char  data[],
unsigned long  len,
sha2_ctx  ctx[1] 
)

Definition at line 516 of file sha2.cpp.

References CTX_256, CTX_384, CTX_512, sha256_hash(), sha2_ctx::sha2_len, sha384_hash, and sha512_hash().

Referenced by vmsHash::Hash_SHA2(), and sha2().

void sha384 ( unsigned char  hval[],
const unsigned char  data[],
unsigned long  len 
)

Definition at line 454 of file sha2.cpp.

References sha384_begin(), sha384_end(), and sha384_hash.

void sha384_begin ( sha384_ctx  ctx[1]  ) 

Definition at line 443 of file sha2.cpp.

References sha512_ctx::count, sha512_ctx::hash, and i384.

Referenced by sha384().

void sha384_end ( unsigned char  hval[],
sha384_ctx  ctx[1] 
)

Definition at line 449 of file sha2.cpp.

References SHA384_DIGEST_SIZE, and sha_end().

Referenced by sha384().

void sha512 ( unsigned char  hval[],
const unsigned char  data[],
unsigned long  len 
)

Definition at line 483 of file sha2.cpp.

References sha512_begin(), sha512_end(), and sha512_hash().

void sha512_begin ( sha512_ctx  ctx[1]  ) 

Definition at line 472 of file sha2.cpp.

References sha512_ctx::count, sha512_ctx::hash, and i512.

Referenced by sha512().

void sha512_compile ( sha512_ctx  ctx[1]  ) 

Definition at line 334 of file sha2.cpp.

References h5_cycle, and sha512_ctx::hash.

Referenced by sha512_hash(), and sha_end().

void sha512_end ( unsigned char  hval[],
sha512_ctx  ctx[1] 
)

Definition at line 478 of file sha2.cpp.

References SHA512_DIGEST_SIZE, and sha_end().

Referenced by sha512().

void sha512_hash ( const unsigned char  data[],
unsigned long  len,
sha512_ctx  ctx[1] 
)

Definition at line 352 of file sha2.cpp.

References bsw_64, sha512_ctx::count, pos(), SHA512_BLOCK_SIZE, sha512_compile(), SHA512_MASK, and sha512_ctx::wbuf.

Referenced by sha2_hash(), and sha512().

static void sha_end ( unsigned char  hval[],
sha512_ctx  ctx[1],
const unsigned int  hlen 
) [static]

Definition at line 387 of file sha2.cpp.

References b2, bsw_64, sha512_ctx::count, sha512_ctx::hash, m2, SHA512_BLOCK_SIZE, sha512_compile(), SHA512_MASK, and sha512_ctx::wbuf.

Referenced by sha2_end(), sha384_end(), and sha512_end().

Variable Documentation

sha2_32t b1[4] [static]

Initial value:

{
    n_u32(80000000), n_u32(00800000), n_u32(00008000), n_u32(00000080)
}

Definition at line 204 of file sha2.cpp.

Referenced by sha256_end(), CPrg_GeneralPage_FWDlg::UpdateEnabled(), and CDownloaderProperties_NewDownloadPage::UpdateEnabled().

sha2_64t b2[8] [static]

Initial value:

{
    n_u64(8000000000000000), n_u64(0080000000000000), 
    n_u64(0000800000000000), n_u64(0000008000000000),
    n_u64(0000000080000000), n_u64(0000000000800000), 
    n_u64(0000000000008000), n_u64(0000000000000080)
}

Definition at line 379 of file sha2.cpp.

Referenced by sha_end(), CPrg_HistoryPage::UpdateEnabled(), and CDownloaderProperties_NewDownloadPage::UpdateEnabled().

const sha2_32t i256[8]

Initial value:

{
    n_u32(6a09e667), n_u32(bb67ae85), n_u32(3c6ef372), n_u32(a54ff53a),
    n_u32(510e527f), n_u32(9b05688c), n_u32(1f83d9ab), n_u32(5be0cd19)
}

Definition at line 151 of file sha2.cpp.

Referenced by sha256_begin(), and sha2_begin().

const sha2_64t i384[80]

Initial value:

 
{
    n_u64(cbbb9d5dc1059ed8), n_u64(629a292a367cd507),
    n_u64(9159015a3070dd17), n_u64(152fecd8f70e5939),
    n_u64(67332667ffc00b31), n_u64(8eb44a8768581511),
    n_u64(db0c2e0d64f98fa7), n_u64(47b5481dbefa4fa4)
}

Definition at line 435 of file sha2.cpp.

Referenced by sha2_begin(), and sha384_begin().

const sha2_64t i512[80]

Initial value:

 
{
    n_u64(6a09e667f3bcc908), n_u64(bb67ae8584caa73b),
    n_u64(3c6ef372fe94f82b), n_u64(a54ff53a5f1d36f1),
    n_u64(510e527fade682d1), n_u64(9b05688c2b3e6c1f),
    n_u64(1f83d9abfb41bd6b), n_u64(5be0cd19137e2179)
}

Definition at line 464 of file sha2.cpp.

Referenced by sha2_begin(), and sha512_begin().

const sha2_32t k256[64]

Initial value:

{   n_u32(428a2f98), n_u32(71374491), n_u32(b5c0fbcf), n_u32(e9b5dba5), 
    n_u32(3956c25b), n_u32(59f111f1), n_u32(923f82a4), n_u32(ab1c5ed5), 
    n_u32(d807aa98), n_u32(12835b01), n_u32(243185be), n_u32(550c7dc3), 
    n_u32(72be5d74), n_u32(80deb1fe), n_u32(9bdc06a7), n_u32(c19bf174), 
    n_u32(e49b69c1), n_u32(efbe4786), n_u32(0fc19dc6), n_u32(240ca1cc), 
    n_u32(2de92c6f), n_u32(4a7484aa), n_u32(5cb0a9dc), n_u32(76f988da), 
    n_u32(983e5152), n_u32(a831c66d), n_u32(b00327c8), n_u32(bf597fc7), 
    n_u32(c6e00bf3), n_u32(d5a79147), n_u32(06ca6351), n_u32(14292967), 
    n_u32(27b70a85), n_u32(2e1b2138), n_u32(4d2c6dfc), n_u32(53380d13), 
    n_u32(650a7354), n_u32(766a0abb), n_u32(81c2c92e), n_u32(92722c85),
    n_u32(a2bfe8a1), n_u32(a81a664b), n_u32(c24b8b70), n_u32(c76c51a3), 
    n_u32(d192e819), n_u32(d6990624), n_u32(f40e3585), n_u32(106aa070), 
    n_u32(19a4c116), n_u32(1e376c08), n_u32(2748774c), n_u32(34b0bcb5), 
    n_u32(391c0cb3), n_u32(4ed8aa4a), n_u32(5b9cca4f), n_u32(682e6ff3), 
    n_u32(748f82ee), n_u32(78a5636f), n_u32(84c87814), n_u32(8cc70208), 
    n_u32(90befffa), n_u32(a4506ceb), n_u32(bef9a3f7), n_u32(c67178f2),
}

Definition at line 132 of file sha2.cpp.

const sha2_64t k512[80]

Definition at line 290 of file sha2.cpp.

sha2_32t m1[4] [static]

Initial value:

{
    n_u32(00000000), n_u32(ff000000), n_u32(ffff0000), n_u32(ffffff00)
}

Definition at line 199 of file sha2.cpp.

Referenced by AMovieSetupRegisterFilter(), and sha256_end().

sha2_64t m2[8] [static]

Initial value:

{
    n_u64(0000000000000000), n_u64(ff00000000000000), 
    n_u64(ffff000000000000), n_u64(ffffff0000000000),
    n_u64(ffffffff00000000), n_u64(ffffffffff000000),
    n_u64(ffffffffffff0000), n_u64(ffffffffffffff00)
}

Definition at line 371 of file sha2.cpp.

Referenced by AMovieSetupRegisterFilter(), and sha_end().

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