diff options
Diffstat (limited to 'thirdparty/openssl/crypto/whrlpool/wp_dgst.c')
-rw-r--r-- | thirdparty/openssl/crypto/whrlpool/wp_dgst.c | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/thirdparty/openssl/crypto/whrlpool/wp_dgst.c b/thirdparty/openssl/crypto/whrlpool/wp_dgst.c deleted file mode 100644 index 96d042f585..0000000000 --- a/thirdparty/openssl/crypto/whrlpool/wp_dgst.c +++ /dev/null @@ -1,258 +0,0 @@ -/** - * The Whirlpool hashing function. - * - * <P> - * <b>References</b> - * - * <P> - * The Whirlpool algorithm was developed by - * <a href="mailto:pbarreto@scopus.com.br">Paulo S. L. M. Barreto</a> and - * <a href="mailto:vincent.rijmen@cryptomathic.com">Vincent Rijmen</a>. - * - * See - * P.S.L.M. Barreto, V. Rijmen, - * ``The Whirlpool hashing function,'' - * NESSIE submission, 2000 (tweaked version, 2001), - * <https://www.cosic.esat.kuleuven.ac.be/nessie/workshop/submissions/whirlpool.zip> - * - * Based on "@version 3.0 (2003.03.12)" by Paulo S.L.M. Barreto and - * Vincent Rijmen. Lookup "reference implementations" on - * <http://planeta.terra.com.br/informatica/paulobarreto/> - * - * ============================================================================= - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -/* - * OpenSSL-specific implementation notes. - * - * WHIRLPOOL_Update as well as one-stroke WHIRLPOOL both expect - * number of *bytes* as input length argument. Bit-oriented routine - * as specified by authors is called WHIRLPOOL_BitUpdate[!] and - * does not have one-stroke counterpart. - * - * WHIRLPOOL_BitUpdate implements byte-oriented loop, essentially - * to serve WHIRLPOOL_Update. This is done for performance. - * - * Unlike authors' reference implementation, block processing - * routine whirlpool_block is designed to operate on multi-block - * input. This is done for perfomance. - */ - -#include <openssl/crypto.h> -#include "wp_locl.h" -#include <openssl/crypto.h> -#include <string.h> - -fips_md_init(WHIRLPOOL) -{ - memset(c, 0, sizeof(*c)); - return (1); -} - -int WHIRLPOOL_Update(WHIRLPOOL_CTX *c, const void *_inp, size_t bytes) -{ - /* - * Well, largest suitable chunk size actually is - * (1<<(sizeof(size_t)*8-3))-64, but below number is large enough for not - * to care about excessive calls to WHIRLPOOL_BitUpdate... - */ - size_t chunk = ((size_t)1) << (sizeof(size_t) * 8 - 4); - const unsigned char *inp = _inp; - - while (bytes >= chunk) { - WHIRLPOOL_BitUpdate(c, inp, chunk * 8); - bytes -= chunk; - inp += chunk; - } - if (bytes) - WHIRLPOOL_BitUpdate(c, inp, bytes * 8); - - return (1); -} - -void WHIRLPOOL_BitUpdate(WHIRLPOOL_CTX *c, const void *_inp, size_t bits) -{ - size_t n; - unsigned int bitoff = c->bitoff, - bitrem = bitoff % 8, inpgap = (8 - (unsigned int)bits % 8) & 7; - const unsigned char *inp = _inp; - - /* - * This 256-bit increment procedure relies on the size_t being natural - * size of CPU register, so that we don't have to mask the value in order - * to detect overflows. - */ - c->bitlen[0] += bits; - if (c->bitlen[0] < bits) { /* overflow */ - n = 1; - do { - c->bitlen[n]++; - } while (c->bitlen[n] == 0 - && ++n < (WHIRLPOOL_COUNTER / sizeof(size_t))); - } -#ifndef OPENSSL_SMALL_FOOTPRINT - reconsider: - if (inpgap == 0 && bitrem == 0) { /* byte-oriented loop */ - while (bits) { - if (bitoff == 0 && (n = bits / WHIRLPOOL_BBLOCK)) { - whirlpool_block(c, inp, n); - inp += n * WHIRLPOOL_BBLOCK / 8; - bits %= WHIRLPOOL_BBLOCK; - } else { - unsigned int byteoff = bitoff / 8; - - bitrem = WHIRLPOOL_BBLOCK - bitoff; /* re-use bitrem */ - if (bits >= bitrem) { - bits -= bitrem; - bitrem /= 8; - memcpy(c->data + byteoff, inp, bitrem); - inp += bitrem; - whirlpool_block(c, c->data, 1); - bitoff = 0; - } else { - memcpy(c->data + byteoff, inp, bits / 8); - bitoff += (unsigned int)bits; - bits = 0; - } - c->bitoff = bitoff; - } - } - } else /* bit-oriented loop */ -#endif - { - /*- - inp - | - +-------+-------+------- - ||||||||||||||||||||| - +-------+-------+------- - +-------+-------+-------+-------+------- - |||||||||||||| c->data - +-------+-------+-------+-------+------- - | - c->bitoff/8 - */ - while (bits) { - unsigned int byteoff = bitoff / 8; - unsigned char b; - -#ifndef OPENSSL_SMALL_FOOTPRINT - if (bitrem == inpgap) { - c->data[byteoff++] |= inp[0] & (0xff >> inpgap); - inpgap = 8 - inpgap; - bitoff += inpgap; - bitrem = 0; /* bitoff%8 */ - bits -= inpgap; - inpgap = 0; /* bits%8 */ - inp++; - if (bitoff == WHIRLPOOL_BBLOCK) { - whirlpool_block(c, c->data, 1); - bitoff = 0; - } - c->bitoff = bitoff; - goto reconsider; - } else -#endif - if (bits > 8) { - b = ((inp[0] << inpgap) | (inp[1] >> (8 - inpgap))); - b &= 0xff; - if (bitrem) - c->data[byteoff++] |= b >> bitrem; - else - c->data[byteoff++] = b; - bitoff += 8; - bits -= 8; - inp++; - if (bitoff >= WHIRLPOOL_BBLOCK) { - whirlpool_block(c, c->data, 1); - byteoff = 0; - bitoff %= WHIRLPOOL_BBLOCK; - } - if (bitrem) - c->data[byteoff] = b << (8 - bitrem); - } else { /* remaining less than or equal to 8 bits */ - - b = (inp[0] << inpgap) & 0xff; - if (bitrem) - c->data[byteoff++] |= b >> bitrem; - else - c->data[byteoff++] = b; - bitoff += (unsigned int)bits; - if (bitoff == WHIRLPOOL_BBLOCK) { - whirlpool_block(c, c->data, 1); - byteoff = 0; - bitoff %= WHIRLPOOL_BBLOCK; - } - if (bitrem) - c->data[byteoff] = b << (8 - bitrem); - bits = 0; - } - c->bitoff = bitoff; - } - } -} - -int WHIRLPOOL_Final(unsigned char *md, WHIRLPOOL_CTX *c) -{ - unsigned int bitoff = c->bitoff, byteoff = bitoff / 8; - size_t i, j, v; - unsigned char *p; - - bitoff %= 8; - if (bitoff) - c->data[byteoff] |= 0x80 >> bitoff; - else - c->data[byteoff] = 0x80; - byteoff++; - - /* pad with zeros */ - if (byteoff > (WHIRLPOOL_BBLOCK / 8 - WHIRLPOOL_COUNTER)) { - if (byteoff < WHIRLPOOL_BBLOCK / 8) - memset(&c->data[byteoff], 0, WHIRLPOOL_BBLOCK / 8 - byteoff); - whirlpool_block(c, c->data, 1); - byteoff = 0; - } - if (byteoff < (WHIRLPOOL_BBLOCK / 8 - WHIRLPOOL_COUNTER)) - memset(&c->data[byteoff], 0, - (WHIRLPOOL_BBLOCK / 8 - WHIRLPOOL_COUNTER) - byteoff); - /* smash 256-bit c->bitlen in big-endian order */ - p = &c->data[WHIRLPOOL_BBLOCK / 8 - 1]; /* last byte in c->data */ - for (i = 0; i < WHIRLPOOL_COUNTER / sizeof(size_t); i++) - for (v = c->bitlen[i], j = 0; j < sizeof(size_t); j++, v >>= 8) - *p-- = (unsigned char)(v & 0xff); - - whirlpool_block(c, c->data, 1); - - if (md) { - memcpy(md, c->H.c, WHIRLPOOL_DIGEST_LENGTH); - OPENSSL_cleanse(c, sizeof(*c)); - return (1); - } - return (0); -} - -unsigned char *WHIRLPOOL(const void *inp, size_t bytes, unsigned char *md) -{ - WHIRLPOOL_CTX ctx; - static unsigned char m[WHIRLPOOL_DIGEST_LENGTH]; - - if (md == NULL) - md = m; - WHIRLPOOL_Init(&ctx); - WHIRLPOOL_Update(&ctx, inp, bytes); - WHIRLPOOL_Final(md, &ctx); - return (md); -} |