diff --git a/backends/twitter/libtwitcurl/SHA1.cpp b/backends/twitter/libtwitcurl/SHA1.cpp index c3846ee5ef3409444582e9d0b69674af2c625a41..598d879c280f7f47629793ca9694013d7ff11843 100644 --- a/backends/twitter/libtwitcurl/SHA1.cpp +++ b/backends/twitter/libtwitcurl/SHA1.cpp @@ -1,274 +1,274 @@ -/* - 100% free public domain implementation of the SHA-1 algorithm - by Dominik Reichl - Web: http://www.dominik-reichl.de/ - - Version 1.6 - 2005-02-07 (thanks to Howard Kapustein for patches) - - You can set the endianness in your files, no need to modify the - header file of the CSHA1 class any more - - Aligned data support - - Made support/compilation of the utility functions (ReportHash - and HashFile) optional (useful, if bytes count, for example in - embedded environments) - - Version 1.5 - 2005-01-01 - - 64-bit compiler compatibility added - - Made variable wiping optional (define SHA1_WIPE_VARIABLES) - - Removed unnecessary variable initializations - - ROL32 improvement for the Microsoft compiler (using _rotl) - - ======== Test Vectors (from FIPS PUB 180-1) ======== - - SHA1("abc") = - A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D - - SHA1("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq") = - 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1 - - SHA1(A million repetitions of "a") = - 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F -*/ - -#include "SHA1.h" - -#ifdef SHA1_UTILITY_FUNCTIONS -#define SHA1_MAX_FILE_BUFFER 8000 -#endif - -// Rotate x bits to the left -#ifndef ROL32 -#ifdef _MSC_VER -#define ROL32(_val32, _nBits) _rotl(_val32, _nBits) -#else -#define ROL32(_val32, _nBits) (((_val32)<<(_nBits))|((_val32)>>(32-(_nBits)))) -#endif -#endif - -#ifdef SHA1_LITTLE_ENDIAN -#define SHABLK0(i) (m_block->l[i] = \ - (ROL32(m_block->l[i],24) & 0xFF00FF00) | (ROL32(m_block->l[i],8) & 0x00FF00FF)) -#else -#define SHABLK0(i) (m_block->l[i]) -#endif - -#define SHABLK(i) (m_block->l[i&15] = ROL32(m_block->l[(i+13)&15] ^ m_block->l[(i+8)&15] \ - ^ m_block->l[(i+2)&15] ^ m_block->l[i&15],1)) - -// SHA-1 rounds -#define _R0(v,w,x,y,z,i) { z+=((w&(x^y))^y)+SHABLK0(i)+0x5A827999+ROL32(v,5); w=ROL32(w,30); } -#define _R1(v,w,x,y,z,i) { z+=((w&(x^y))^y)+SHABLK(i)+0x5A827999+ROL32(v,5); w=ROL32(w,30); } -#define _R2(v,w,x,y,z,i) { z+=(w^x^y)+SHABLK(i)+0x6ED9EBA1+ROL32(v,5); w=ROL32(w,30); } -#define _R3(v,w,x,y,z,i) { z+=(((w|x)&y)|(w&x))+SHABLK(i)+0x8F1BBCDC+ROL32(v,5); w=ROL32(w,30); } -#define _R4(v,w,x,y,z,i) { z+=(w^x^y)+SHABLK(i)+0xCA62C1D6+ROL32(v,5); w=ROL32(w,30); } - -CSHA1::CSHA1() -{ - m_block = (SHA1_WORKSPACE_BLOCK *)m_workspace; - - Reset(); -} - -CSHA1::~CSHA1() -{ - Reset(); -} - -void CSHA1::Reset() -{ - // SHA1 initialization constants - m_state[0] = 0x67452301; - m_state[1] = 0xEFCDAB89; - m_state[2] = 0x98BADCFE; - m_state[3] = 0x10325476; - m_state[4] = 0xC3D2E1F0; - - m_count[0] = 0; - m_count[1] = 0; -} - -void CSHA1::Transform(UINT_32 *state, UINT_8 *buffer) -{ - // Copy state[] to working vars - UINT_32 a = state[0], b = state[1], c = state[2], d = state[3], e = state[4]; - - memcpy(m_block, buffer, 64); - - // 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 state - state[0] += a; - state[1] += b; - state[2] += c; - state[3] += d; - state[4] += e; - - // Wipe variables -#ifdef SHA1_WIPE_VARIABLES - a = b = c = d = e = 0; -#endif -} - -// Use this function to hash in binary data and strings -void CSHA1::Update(UINT_8 *data, UINT_32 len) -{ - UINT_32 i, j; - - j = (m_count[0] >> 3) & 63; - - if((m_count[0] += len << 3) < (len << 3)) m_count[1]++; - - m_count[1] += (len >> 29); - - if((j + len) > 63) - { - i = 64 - j; - memcpy(&m_buffer[j], data, i); - Transform(m_state, m_buffer); - - for(; i + 63 < len; i += 64) Transform(m_state, &data[i]); - - j = 0; - } - else i = 0; - - memcpy(&m_buffer[j], &data[i], len - i); -} - -#ifdef SHA1_UTILITY_FUNCTIONS -// Hash in file contents -bool CSHA1::HashFile(char *szFileName) -{ - unsigned long ulFileSize, ulRest, ulBlocks; - unsigned long i; - UINT_8 uData[SHA1_MAX_FILE_BUFFER]; - FILE *fIn; - - if(szFileName == NULL) return false; - - fIn = fopen(szFileName, "rb"); - if(fIn == NULL) return false; - - fseek(fIn, 0, SEEK_END); - ulFileSize = (unsigned long)ftell(fIn); - fseek(fIn, 0, SEEK_SET); - - if(ulFileSize != 0) - { - ulBlocks = ulFileSize / SHA1_MAX_FILE_BUFFER; - ulRest = ulFileSize % SHA1_MAX_FILE_BUFFER; - } - else - { - ulBlocks = 0; - ulRest = 0; - } - - for(i = 0; i < ulBlocks; i++) - { - fread(uData, 1, SHA1_MAX_FILE_BUFFER, fIn); - Update((UINT_8 *)uData, SHA1_MAX_FILE_BUFFER); - } - - if(ulRest != 0) - { - fread(uData, 1, ulRest, fIn); - Update((UINT_8 *)uData, ulRest); - } - - fclose(fIn); fIn = NULL; - return true; -} -#endif - -void CSHA1::Final() -{ - UINT_32 i; - UINT_8 finalcount[8]; - - for(i = 0; i < 8; i++) - finalcount[i] = (UINT_8)((m_count[((i >= 4) ? 0 : 1)] - >> ((3 - (i & 3)) * 8) ) & 255); // Endian independent - - Update((UINT_8 *)"\200", 1); - - while ((m_count[0] & 504) != 448) - Update((UINT_8 *)"\0", 1); - - Update(finalcount, 8); // Cause a SHA1Transform() - - for(i = 0; i < 20; i++) - { - m_digest[i] = (UINT_8)((m_state[i >> 2] >> ((3 - (i & 3)) * 8) ) & 255); - } - - // Wipe variables for security reasons -#ifdef SHA1_WIPE_VARIABLES - i = 0; - memset(m_buffer, 0, 64); - memset(m_state, 0, 20); - memset(m_count, 0, 8); - memset(finalcount, 0, 8); - Transform(m_state, m_buffer); -#endif -} - -#ifdef SHA1_UTILITY_FUNCTIONS -// Get the final hash as a pre-formatted string -void CSHA1::ReportHash(char *szReport, unsigned char uReportType) -{ - unsigned char i; - char szTemp[16]; - - if(szReport == NULL) return; - - if(uReportType == REPORT_HEX) - { - sprintf(szTemp, "%02X", m_digest[0]); - strcat(szReport, szTemp); - - for(i = 1; i < 20; i++) - { - sprintf(szTemp, " %02X", m_digest[i]); - strcat(szReport, szTemp); - } - } - else if(uReportType == REPORT_DIGIT) - { - sprintf(szTemp, "%u", m_digest[0]); - strcat(szReport, szTemp); - - for(i = 1; i < 20; i++) - { - sprintf(szTemp, " %u", m_digest[i]); - strcat(szReport, szTemp); - } - } - else strcpy(szReport, "Error: Unknown report type!"); -} -#endif - -// Get the raw message digest -void CSHA1::GetHash(UINT_8 *puDest) -{ - memcpy(puDest, m_digest, 20); -} +/* + 100% free public domain implementation of the SHA-1 algorithm + by Dominik Reichl + Web: http://www.dominik-reichl.de/ + + Version 1.6 - 2005-02-07 (thanks to Howard Kapustein for patches) + - You can set the endianness in your files, no need to modify the + header file of the CSHA1 class any more + - Aligned data support + - Made support/compilation of the utility functions (ReportHash + and HashFile) optional (useful, if bytes count, for example in + embedded environments) + + Version 1.5 - 2005-01-01 + - 64-bit compiler compatibility added + - Made variable wiping optional (define SHA1_WIPE_VARIABLES) + - Removed unnecessary variable initializations + - ROL32 improvement for the Microsoft compiler (using _rotl) + + ======== Test Vectors (from FIPS PUB 180-1) ======== + + SHA1("abc") = + A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D + + SHA1("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq") = + 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1 + + SHA1(A million repetitions of "a") = + 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F +*/ + +#include "SHA1.h" + +#ifdef SHA1_UTILITY_FUNCTIONS +#define SHA1_MAX_FILE_BUFFER 8000 +#endif + +// Rotate x bits to the left +#ifndef ROL32 +#ifdef _MSC_VER +#define ROL32(_val32, _nBits) _rotl(_val32, _nBits) +#else +#define ROL32(_val32, _nBits) (((_val32)<<(_nBits))|((_val32)>>(32-(_nBits)))) +#endif +#endif + +#ifdef SHA1_LITTLE_ENDIAN +#define SHABLK0(i) (m_block->l[i] = \ + (ROL32(m_block->l[i],24) & 0xFF00FF00) | (ROL32(m_block->l[i],8) & 0x00FF00FF)) +#else +#define SHABLK0(i) (m_block->l[i]) +#endif + +#define SHABLK(i) (m_block->l[i&15] = ROL32(m_block->l[(i+13)&15] ^ m_block->l[(i+8)&15] \ + ^ m_block->l[(i+2)&15] ^ m_block->l[i&15],1)) + +// SHA-1 rounds +#define _R0(v,w,x,y,z,i) { z+=((w&(x^y))^y)+SHABLK0(i)+0x5A827999+ROL32(v,5); w=ROL32(w,30); } +#define _R1(v,w,x,y,z,i) { z+=((w&(x^y))^y)+SHABLK(i)+0x5A827999+ROL32(v,5); w=ROL32(w,30); } +#define _R2(v,w,x,y,z,i) { z+=(w^x^y)+SHABLK(i)+0x6ED9EBA1+ROL32(v,5); w=ROL32(w,30); } +#define _R3(v,w,x,y,z,i) { z+=(((w|x)&y)|(w&x))+SHABLK(i)+0x8F1BBCDC+ROL32(v,5); w=ROL32(w,30); } +#define _R4(v,w,x,y,z,i) { z+=(w^x^y)+SHABLK(i)+0xCA62C1D6+ROL32(v,5); w=ROL32(w,30); } + +CSHA1::CSHA1() +{ + m_block = (SHA1_WORKSPACE_BLOCK *)m_workspace; + + Reset(); +} + +CSHA1::~CSHA1() +{ + Reset(); +} + +void CSHA1::Reset() +{ + // SHA1 initialization constants + m_state[0] = 0x67452301; + m_state[1] = 0xEFCDAB89; + m_state[2] = 0x98BADCFE; + m_state[3] = 0x10325476; + m_state[4] = 0xC3D2E1F0; + + m_count[0] = 0; + m_count[1] = 0; +} + +void CSHA1::Transform(UINT_32 *state, UINT_8 *buffer) +{ + // Copy state[] to working vars + UINT_32 a = state[0], b = state[1], c = state[2], d = state[3], e = state[4]; + + memcpy(m_block, buffer, 64); + + // 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 state + state[0] += a; + state[1] += b; + state[2] += c; + state[3] += d; + state[4] += e; + + // Wipe variables +#ifdef SHA1_WIPE_VARIABLES + a = b = c = d = e = 0; +#endif +} + +// Use this function to hash in binary data and strings +void CSHA1::Update(UINT_8 *data, UINT_32 len) +{ + UINT_32 i, j; + + j = (m_count[0] >> 3) & 63; + + if((m_count[0] += len << 3) < (len << 3)) m_count[1]++; + + m_count[1] += (len >> 29); + + if((j + len) > 63) + { + i = 64 - j; + memcpy(&m_buffer[j], data, i); + Transform(m_state, m_buffer); + + for(; i + 63 < len; i += 64) Transform(m_state, &data[i]); + + j = 0; + } + else i = 0; + + memcpy(&m_buffer[j], &data[i], len - i); +} + +#ifdef SHA1_UTILITY_FUNCTIONS +// Hash in file contents +bool CSHA1::HashFile(char *szFileName) +{ + unsigned long ulFileSize, ulRest, ulBlocks; + unsigned long i; + UINT_8 uData[SHA1_MAX_FILE_BUFFER]; + FILE *fIn; + + if(szFileName == NULL) return false; + + fIn = fopen(szFileName, "rb"); + if(fIn == NULL) return false; + + fseek(fIn, 0, SEEK_END); + ulFileSize = (unsigned long)ftell(fIn); + fseek(fIn, 0, SEEK_SET); + + if(ulFileSize != 0) + { + ulBlocks = ulFileSize / SHA1_MAX_FILE_BUFFER; + ulRest = ulFileSize % SHA1_MAX_FILE_BUFFER; + } + else + { + ulBlocks = 0; + ulRest = 0; + } + + for(i = 0; i < ulBlocks; i++) + { + fread(uData, 1, SHA1_MAX_FILE_BUFFER, fIn); + Update((UINT_8 *)uData, SHA1_MAX_FILE_BUFFER); + } + + if(ulRest != 0) + { + fread(uData, 1, ulRest, fIn); + Update((UINT_8 *)uData, ulRest); + } + + fclose(fIn); fIn = NULL; + return true; +} +#endif + +void CSHA1::Final() +{ + UINT_32 i; + UINT_8 finalcount[8]; + + for(i = 0; i < 8; i++) + finalcount[i] = (UINT_8)((m_count[((i >= 4) ? 0 : 1)] + >> ((3 - (i & 3)) * 8) ) & 255); // Endian independent + + Update((UINT_8 *)"\200", 1); + + while ((m_count[0] & 504) != 448) + Update((UINT_8 *)"\0", 1); + + Update(finalcount, 8); // Cause a SHA1Transform() + + for(i = 0; i < 20; i++) + { + m_digest[i] = (UINT_8)((m_state[i >> 2] >> ((3 - (i & 3)) * 8) ) & 255); + } + + // Wipe variables for security reasons +#ifdef SHA1_WIPE_VARIABLES + i = 0; + memset(m_buffer, 0, 64); + memset(m_state, 0, 20); + memset(m_count, 0, 8); + memset(finalcount, 0, 8); + Transform(m_state, m_buffer); +#endif +} + +#ifdef SHA1_UTILITY_FUNCTIONS +// Get the final hash as a pre-formatted string +void CSHA1::ReportHash(char *szReport, unsigned char uReportType) +{ + unsigned char i; + char szTemp[16]; + + if(szReport == NULL) return; + + if(uReportType == REPORT_HEX) + { + sprintf(szTemp, "%02X", m_digest[0]); + strcat(szReport, szTemp); + + for(i = 1; i < 20; i++) + { + sprintf(szTemp, " %02X", m_digest[i]); + strcat(szReport, szTemp); + } + } + else if(uReportType == REPORT_DIGIT) + { + sprintf(szTemp, "%u", m_digest[0]); + strcat(szReport, szTemp); + + for(i = 1; i < 20; i++) + { + sprintf(szTemp, " %u", m_digest[i]); + strcat(szReport, szTemp); + } + } + else strcpy(szReport, "Error: Unknown report type!"); +} +#endif + +// Get the raw message digest +void CSHA1::GetHash(UINT_8 *puDest) +{ + memcpy(puDest, m_digest, 20); +}