diff options
author | RajithaY <rajithax.yerrumsetty@intel.com> | 2017-04-25 03:31:15 -0700 |
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committer | Rajitha Yerrumchetty <rajithax.yerrumsetty@intel.com> | 2017-05-22 06:48:08 +0000 |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/ipxe/src/crypto/sha1.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/crypto/sha1.c')
-rw-r--r-- | qemu/roms/ipxe/src/crypto/sha1.c | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/qemu/roms/ipxe/src/crypto/sha1.c b/qemu/roms/ipxe/src/crypto/sha1.c deleted file mode 100644 index 51866f4b7..000000000 --- a/qemu/roms/ipxe/src/crypto/sha1.c +++ /dev/null @@ -1,276 +0,0 @@ -/* - * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * You can also choose to distribute this program under the terms of - * the Unmodified Binary Distribution Licence (as given in the file - * COPYING.UBDL), provided that you have satisfied its requirements. - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -/** @file - * - * SHA-1 algorithm - * - */ - -#include <stdint.h> -#include <string.h> -#include <byteswap.h> -#include <assert.h> -#include <ipxe/rotate.h> -#include <ipxe/crypto.h> -#include <ipxe/asn1.h> -#include <ipxe/sha1.h> - -/** SHA-1 variables */ -struct sha1_variables { - /* This layout matches that of struct sha1_digest_data, - * allowing for efficient endianness-conversion, - */ - uint32_t a; - uint32_t b; - uint32_t c; - uint32_t d; - uint32_t e; - uint32_t w[80]; -} __attribute__ (( packed )); - -/** - * f(a,b,c,d) for steps 0 to 19 - * - * @v v SHA-1 variables - * @ret f f(a,b,c,d) - */ -static uint32_t sha1_f_0_19 ( struct sha1_variables *v ) { - return ( ( v->b & v->c ) | ( (~v->b) & v->d ) ); -} - -/** - * f(a,b,c,d) for steps 20 to 39 and 60 to 79 - * - * @v v SHA-1 variables - * @ret f f(a,b,c,d) - */ -static uint32_t sha1_f_20_39_60_79 ( struct sha1_variables *v ) { - return ( v->b ^ v->c ^ v->d ); -} - -/** - * f(a,b,c,d) for steps 40 to 59 - * - * @v v SHA-1 variables - * @ret f f(a,b,c,d) - */ -static uint32_t sha1_f_40_59 ( struct sha1_variables *v ) { - return ( ( v->b & v->c ) | ( v->b & v->d ) | ( v->c & v->d ) ); -} - -/** An SHA-1 step function */ -struct sha1_step { - /** - * Calculate f(a,b,c,d) - * - * @v v SHA-1 variables - * @ret f f(a,b,c,d) - */ - uint32_t ( * f ) ( struct sha1_variables *v ); - /** Constant k */ - uint32_t k; -}; - -/** SHA-1 steps */ -static struct sha1_step sha1_steps[4] = { - /** 0 to 19 */ - { .f = sha1_f_0_19, .k = 0x5a827999 }, - /** 20 to 39 */ - { .f = sha1_f_20_39_60_79, .k = 0x6ed9eba1 }, - /** 40 to 59 */ - { .f = sha1_f_40_59, .k = 0x8f1bbcdc }, - /** 60 to 79 */ - { .f = sha1_f_20_39_60_79, .k = 0xca62c1d6 }, -}; - -/** - * Initialise SHA-1 algorithm - * - * @v ctx SHA-1 context - */ -static void sha1_init ( void *ctx ) { - struct sha1_context *context = ctx; - - context->ddd.dd.digest.h[0] = cpu_to_be32 ( 0x67452301 ); - context->ddd.dd.digest.h[1] = cpu_to_be32 ( 0xefcdab89 ); - context->ddd.dd.digest.h[2] = cpu_to_be32 ( 0x98badcfe ); - context->ddd.dd.digest.h[3] = cpu_to_be32 ( 0x10325476 ); - context->ddd.dd.digest.h[4] = cpu_to_be32 ( 0xc3d2e1f0 ); - context->len = 0; -} - -/** - * Calculate SHA-1 digest of accumulated data - * - * @v context SHA-1 context - */ -static void sha1_digest ( struct sha1_context *context ) { - union { - union sha1_digest_data_dwords ddd; - struct sha1_variables v; - } u; - uint32_t *a = &u.v.a; - uint32_t *b = &u.v.b; - uint32_t *c = &u.v.c; - uint32_t *d = &u.v.d; - uint32_t *e = &u.v.e; - uint32_t *w = u.v.w; - uint32_t f; - uint32_t k; - uint32_t temp; - struct sha1_step *step; - unsigned int i; - - /* Sanity checks */ - assert ( ( context->len % sizeof ( context->ddd.dd.data ) ) == 0 ); - linker_assert ( &u.ddd.dd.digest.h[0] == a, sha1_bad_layout ); - linker_assert ( &u.ddd.dd.digest.h[1] == b, sha1_bad_layout ); - linker_assert ( &u.ddd.dd.digest.h[2] == c, sha1_bad_layout ); - linker_assert ( &u.ddd.dd.digest.h[3] == d, sha1_bad_layout ); - linker_assert ( &u.ddd.dd.digest.h[4] == e, sha1_bad_layout ); - linker_assert ( &u.ddd.dd.data.dword[0] == w, sha1_bad_layout ); - - DBGC ( context, "SHA1 digesting:\n" ); - DBGC_HDA ( context, 0, &context->ddd.dd.digest, - sizeof ( context->ddd.dd.digest ) ); - DBGC_HDA ( context, context->len, &context->ddd.dd.data, - sizeof ( context->ddd.dd.data ) ); - - /* Convert h[0..4] to host-endian, and initialise a, b, c, d, - * e, and w[0..15] - */ - for ( i = 0 ; i < ( sizeof ( u.ddd.dword ) / - sizeof ( u.ddd.dword[0] ) ) ; i++ ) { - be32_to_cpus ( &context->ddd.dword[i] ); - u.ddd.dword[i] = context->ddd.dword[i]; - } - - /* Initialise w[16..79] */ - for ( i = 16 ; i < 80 ; i++ ) - w[i] = rol32 ( ( w[i-3] ^ w[i-8] ^ w[i-14] ^ w[i-16] ), 1 ); - - /* Main loop */ - for ( i = 0 ; i < 80 ; i++ ) { - step = &sha1_steps[ i / 20 ]; - f = step->f ( &u.v ); - k = step->k; - temp = ( rol32 ( *a, 5 ) + f + *e + k + w[i] ); - *e = *d; - *d = *c; - *c = rol32 ( *b, 30 ); - *b = *a; - *a = temp; - DBGC2 ( context, "%2d : %08x %08x %08x %08x %08x\n", - i, *a, *b, *c, *d, *e ); - } - - /* Add chunk to hash and convert back to big-endian */ - for ( i = 0 ; i < 5 ; i++ ) { - context->ddd.dd.digest.h[i] = - cpu_to_be32 ( context->ddd.dd.digest.h[i] + - u.ddd.dd.digest.h[i] ); - } - - DBGC ( context, "SHA1 digested:\n" ); - DBGC_HDA ( context, 0, &context->ddd.dd.digest, - sizeof ( context->ddd.dd.digest ) ); -} - -/** - * Accumulate data with SHA-1 algorithm - * - * @v ctx SHA-1 context - * @v data Data - * @v len Length of data - */ -static void sha1_update ( void *ctx, const void *data, size_t len ) { - struct sha1_context *context = ctx; - const uint8_t *byte = data; - size_t offset; - - /* Accumulate data a byte at a time, performing the digest - * whenever we fill the data buffer - */ - while ( len-- ) { - offset = ( context->len % sizeof ( context->ddd.dd.data ) ); - context->ddd.dd.data.byte[offset] = *(byte++); - context->len++; - if ( ( context->len % sizeof ( context->ddd.dd.data ) ) == 0 ) - sha1_digest ( context ); - } -} - -/** - * Generate SHA-1 digest - * - * @v ctx SHA-1 context - * @v out Output buffer - */ -static void sha1_final ( void *ctx, void *out ) { - struct sha1_context *context = ctx; - uint64_t len_bits; - uint8_t pad; - - /* Record length before pre-processing */ - len_bits = cpu_to_be64 ( ( ( uint64_t ) context->len ) * 8 ); - - /* Pad with a single "1" bit followed by as many "0" bits as required */ - pad = 0x80; - do { - sha1_update ( ctx, &pad, sizeof ( pad ) ); - pad = 0x00; - } while ( ( context->len % sizeof ( context->ddd.dd.data ) ) != - offsetof ( typeof ( context->ddd.dd.data ), final.len ) ); - - /* Append length (in bits) */ - sha1_update ( ctx, &len_bits, sizeof ( len_bits ) ); - assert ( ( context->len % sizeof ( context->ddd.dd.data ) ) == 0 ); - - /* Copy out final digest */ - memcpy ( out, &context->ddd.dd.digest, - sizeof ( context->ddd.dd.digest ) ); -} - -/** SHA-1 algorithm */ -struct digest_algorithm sha1_algorithm = { - .name = "sha1", - .ctxsize = sizeof ( struct sha1_context ), - .blocksize = sizeof ( union sha1_block ), - .digestsize = sizeof ( struct sha1_digest ), - .init = sha1_init, - .update = sha1_update, - .final = sha1_final, -}; - -/** "sha1" object identifier */ -static uint8_t oid_sha1[] = { ASN1_OID_SHA1 }; - -/** "sha1" OID-identified algorithm */ -struct asn1_algorithm oid_sha1_algorithm __asn1_algorithm = { - .name = "sha1", - .digest = &sha1_algorithm, - .oid = ASN1_OID_CURSOR ( oid_sha1 ), -}; |