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Diffstat (limited to 'Swiften/StringCodecs/SHA1.cpp')
m--------- | Swiften | 0 | ||||
-rw-r--r-- | Swiften/StringCodecs/SHA1.cpp | 197 |
2 files changed, 0 insertions, 197 deletions
diff --git a/Swiften b/Swiften new file mode 160000 +Subproject 8213ba16d0043d2461f4b031c881d61dda5a38c diff --git a/Swiften/StringCodecs/SHA1.cpp b/Swiften/StringCodecs/SHA1.cpp deleted file mode 100644 index ef99d9a..0000000 --- a/Swiften/StringCodecs/SHA1.cpp +++ /dev/null @@ -1,197 +0,0 @@ -#include "Swiften/Base/Platform.h" - -#pragma GCC diagnostic ignored "-Wold-style-cast" - -/* -SHA-1 in C -By Steve Reid <steve@edmweb.com> -100% Public Domain - -Test Vectors (from FIPS PUB 180-1) -"abc" - A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D -"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" - 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1 -A million repetitions of "a" - 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F -*/ - -/* #define LITTLE_ENDIAN * This should be #define'd if true. */ -/* #define SHA1HANDSOFF * Copies data before messing with it. */ - -#include <boost/cstdint.hpp> -#include <stdio.h> -#include <string.h> - -typedef struct { - boost::uint32_t state[5]; - boost::uint32_t count[2]; - boost::uint8_t buffer[64]; -} SHA1_CTX; - -void SHA1Transform(boost::uint32_t state[5], boost::uint8_t buffer[64]); -void SHA1Init(SHA1_CTX* context); -void SHA1Update(SHA1_CTX* context, boost::uint8_t* data, unsigned int len); -void SHA1Final(boost::uint8_t digest[20], SHA1_CTX* context); - -#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits)))) - -/* blk0() and blk() perform the initial expand. */ -/* I got the idea of expanding during the round function from SSLeay */ -#ifdef SWIFTEN_LITTLE_ENDIAN -#define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \ - |(rol(block->l[i],8)&0x00FF00FF)) -#else -#define blk0(i) block->l[i] -#endif -#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \ - ^block->l[(i+2)&15]^block->l[i&15],1)) - -/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */ -#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30); -#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30); -#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30); -#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30); -#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30); - - -/* Hash a single 512-bit block. This is the core of the algorithm. */ - -void SHA1Transform(boost::uint32_t state[5], boost::uint8_t buffer[64]) -{ -boost::uint32_t a, b, c, d, e; -typedef union { - boost::uint8_t c[64]; - boost::uint32_t l[16]; -} CHAR64LONG16; -CHAR64LONG16* block; -#ifdef SHA1HANDSOFF -static boost::uint8_t workspace[64]; - block = (CHAR64LONG16*)workspace; - memcpy(block, buffer, 64); -#else - block = reinterpret_cast<CHAR64LONG16*>(buffer); -#endif - /* Copy context->state[] to working vars */ - a = state[0]; - b = state[1]; - c = state[2]; - d = state[3]; - e = state[4]; - /* 4 rounds of 20 operations each. Loop unrolled. */ - R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3); - R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7); - R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11); - R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15); - R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19); - R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23); - R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27); - R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31); - R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35); - R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39); - R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43); - R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47); - R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51); - R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55); - R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59); - R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63); - R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67); - R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71); - R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75); - R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79); - /* Add the working vars back into context.state[] */ - state[0] += a; - state[1] += b; - state[2] += c; - state[3] += d; - state[4] += e; - /* Wipe variables */ - a = b = c = d = e = 0; -} - - -/* SHA1Init - Initialize new context */ - -void SHA1Init(SHA1_CTX* context) -{ - /* SHA1 initialization constants */ - context->state[0] = 0x67452301; - context->state[1] = 0xEFCDAB89; - context->state[2] = 0x98BADCFE; - context->state[3] = 0x10325476; - context->state[4] = 0xC3D2E1F0; - context->count[0] = context->count[1] = 0; -} - - -/* Run your data through this. */ - -void SHA1Update(SHA1_CTX* context, boost::uint8_t* data, unsigned int len) -{ -unsigned int i, j; - - j = (context->count[0] >> 3) & 63; - if ((context->count[0] += len << 3) < (len << 3)) context->count[1]++; - context->count[1] += (len >> 29); - if ((j + len) > 63) { - memcpy(&context->buffer[j], data, (i = 64-j)); - SHA1Transform(context->state, context->buffer); - for ( ; i + 63 < len; i += 64) { - SHA1Transform(context->state, &data[i]); - } - j = 0; - } - else i = 0; - memcpy(&context->buffer[j], &data[i], len - i); -} - - -/* Add padding and return the message digest. */ - -void SHA1Final(boost::uint8_t digest[20], SHA1_CTX* context) -{ -boost::uint32_t i, j; -boost::uint8_t finalcount[8]; - - for (i = 0; i < 8; i++) { - finalcount[i] = (boost::uint8_t) ((context->count[(i >= 4 ? 0 : 1)] - >> ((3-(i & 3)) * 8) ) & 255); /* Endian independent */ - } - SHA1Update(context, (boost::uint8_t *)("\200"), 1); - while ((context->count[0] & 504) != 448) { - SHA1Update(context, (boost::uint8_t *)("\0"), 1); - } - SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */ - for (i = 0; i < 20; i++) { - digest[i] = (boost::uint8_t) - ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255); - } - /* Wipe variables */ - i = j = 0; - memset(context->buffer, 0, 64); - memset(context->state, 0, 20); - memset(context->count, 0, 8); - memset(&finalcount, 0, 8); -#ifdef SHA1HANDSOFF /* make SHA1Transform overwrite it's own static vars */ - SHA1Transform(context->state, context->buffer); -#endif -} - -// ----------------------------------------------------------------------------- - -#include "Swiften/StringCodecs/SHA1.h" - -namespace Swift { - -ByteArray SHA1::getHash(const ByteArray& input) { - ByteArray inputCopy(input); - ByteArray digest; - digest.resize(20); - SHA1_CTX context; - SHA1Init(&context); - SHA1Update(&context, (boost::uint8_t*) inputCopy.getData(), inputCopy.getSize()); - SHA1Final((boost::uint8_t*) digest.getData(), &context); - return digest; -} - -} |