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Diffstat (limited to 'third_party/lcms2-2.6/src/cmsmd5.c')
-rw-r--r--third_party/lcms2-2.6/src/cmsmd5.c343
1 files changed, 0 insertions, 343 deletions
diff --git a/third_party/lcms2-2.6/src/cmsmd5.c b/third_party/lcms2-2.6/src/cmsmd5.c
deleted file mode 100644
index a4758ff662..0000000000
--- a/third_party/lcms2-2.6/src/cmsmd5.c
+++ /dev/null
@@ -1,343 +0,0 @@
-//---------------------------------------------------------------------------------
-//
-// Little Color Management System
-// Copyright (c) 1998-2012 Marti Maria Saguer
-//
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the "Software"),
-// to deal in the Software without restriction, including without limitation
-// the rights to use, copy, modify, merge, publish, distribute, sublicense,
-// and/or sell copies of the Software, and to permit persons to whom the Software
-// is furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
-// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-//
-//---------------------------------------------------------------------------------
-
-#include "lcms2_internal.h"
-
-#ifdef CMS_USE_BIG_ENDIAN
-
-static
-void byteReverse(cmsUInt8Number * buf, cmsUInt32Number longs)
-{
- do {
-
- cmsUInt32Number t = _cmsAdjustEndianess32(*(cmsUInt32Number *) buf);
- *(cmsUInt32Number *) buf = t;
- buf += sizeof(cmsUInt32Number);
-
- } while (--longs);
-
-}
-
-#else
-#define byteReverse(buf, len)
-#endif
-
-
-typedef struct {
-
- cmsUInt32Number buf[4];
- cmsUInt32Number bits[2];
- cmsUInt8Number in[64];
- cmsContext ContextID;
-
-} _cmsMD5;
-
-#define F1(x, y, z) (z ^ (x & (y ^ z)))
-#define F2(x, y, z) F1(z, x, y)
-#define F3(x, y, z) (x ^ y ^ z)
-#define F4(x, y, z) (y ^ (x | ~z))
-
-#define STEP(f, w, x, y, z, data, s) \
- ( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
-
-
-static
-void MD5_Transform(cmsUInt32Number buf[4], cmsUInt32Number in[16])
-
-{
- register cmsUInt32Number a, b, c, d;
-
- a = buf[0];
- b = buf[1];
- c = buf[2];
- d = buf[3];
-
- STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
- STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
- STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
- STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
- STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
- STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
- STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
- STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
- STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
- STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
- STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
- STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
- STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
- STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
- STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
- STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
-
- STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
- STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
- STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
- STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
- STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
- STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
- STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
- STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
- STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
- STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
- STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
- STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
- STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
- STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
- STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
- STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
-
- STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
- STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
- STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
- STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
- STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
- STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
- STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
- STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
- STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
- STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
- STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
- STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
- STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
- STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
- STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
- STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
-
- STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
- STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
- STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
- STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
- STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
- STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
- STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
- STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
- STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
- STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
- STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
- STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
- STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
- STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
- STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
- STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
-
- buf[0] += a;
- buf[1] += b;
- buf[2] += c;
- buf[3] += d;
-}
-
-
-// Create a MD5 object
-static
-cmsHANDLE MD5alloc(cmsContext ContextID)
-{
- _cmsMD5* ctx = (_cmsMD5*) _cmsMallocZero(ContextID, sizeof(_cmsMD5));
- if (ctx == NULL) return NULL;
-
- ctx ->ContextID = ContextID;
-
- ctx->buf[0] = 0x67452301;
- ctx->buf[1] = 0xefcdab89;
- ctx->buf[2] = 0x98badcfe;
- ctx->buf[3] = 0x10325476;
-
- ctx->bits[0] = 0;
- ctx->bits[1] = 0;
-
- return (cmsHANDLE) ctx;
-}
-
-
-static
-void MD5add(cmsHANDLE Handle, cmsUInt8Number* buf, cmsUInt32Number len)
-{
- _cmsMD5* ctx = (_cmsMD5*) Handle;
- cmsUInt32Number t;
-
- t = ctx->bits[0];
- if ((ctx->bits[0] = t + (len << 3)) < t)
- ctx->bits[1]++;
-
- ctx->bits[1] += len >> 29;
-
- t = (t >> 3) & 0x3f;
-
- if (t) {
-
- cmsUInt8Number *p = (cmsUInt8Number *) ctx->in + t;
-
- t = 64 - t;
- if (len < t) {
- memmove(p, buf, len);
- return;
- }
-
- memmove(p, buf, t);
- byteReverse(ctx->in, 16);
-
- MD5_Transform(ctx->buf, (cmsUInt32Number *) ctx->in);
- buf += t;
- len -= t;
- }
-
- while (len >= 64) {
- memmove(ctx->in, buf, 64);
- byteReverse(ctx->in, 16);
- MD5_Transform(ctx->buf, (cmsUInt32Number *) ctx->in);
- buf += 64;
- len -= 64;
- }
-
- memmove(ctx->in, buf, len);
-}
-
-// Destroy the object and return the checksum
-static
-void MD5finish(cmsProfileID* ProfileID, cmsHANDLE Handle)
-{
- _cmsMD5* ctx = (_cmsMD5*) Handle;
- cmsUInt32Number count;
- cmsUInt8Number *p;
-
- count = (ctx->bits[0] >> 3) & 0x3F;
-
- p = ctx->in + count;
- *p++ = 0x80;
-
- count = 64 - 1 - count;
-
- if (count < 8) {
-
- memset(p, 0, count);
- byteReverse(ctx->in, 16);
- MD5_Transform(ctx->buf, (cmsUInt32Number *) ctx->in);
-
- memset(ctx->in, 0, 56);
- } else {
- memset(p, 0, count - 8);
- }
- byteReverse(ctx->in, 14);
-
- ((cmsUInt32Number *) ctx->in)[14] = ctx->bits[0];
- ((cmsUInt32Number *) ctx->in)[15] = ctx->bits[1];
-
- MD5_Transform(ctx->buf, (cmsUInt32Number *) ctx->in);
-
- byteReverse((cmsUInt8Number *) ctx->buf, 4);
- memmove(ProfileID ->ID8, ctx->buf, 16);
-
- _cmsFree(ctx ->ContextID, ctx);
-}
-
-
-
-// Assuming io points to an ICC profile, compute and store MD5 checksum
-// In the header, rendering intentent, attributes and ID should be set to zero
-// before computing MD5 checksum (per 6.1.13 in ICC spec)
-
-cmsBool CMSEXPORT cmsMD5computeID(cmsHPROFILE hProfile)
-{
- cmsContext ContextID;
- cmsUInt32Number BytesNeeded;
- cmsUInt8Number* Mem = NULL;
- cmsHANDLE MD5 = NULL;
- _cmsICCPROFILE* Icc = (_cmsICCPROFILE*) hProfile;
- _cmsICCPROFILE Keep;
-
- _cmsAssert(hProfile != NULL);
-
- ContextID = cmsGetProfileContextID(hProfile);
-
- // Save a copy of the profile header
- memmove(&Keep, Icc, sizeof(_cmsICCPROFILE));
-
- // Set RI, attributes and ID
- memset(&Icc ->attributes, 0, sizeof(Icc ->attributes));
- Icc ->RenderingIntent = 0;
- memset(&Icc ->ProfileID, 0, sizeof(Icc ->ProfileID));
-
- // Compute needed storage
- if (!cmsSaveProfileToMem(hProfile, NULL, &BytesNeeded)) goto Error;
-
- // Allocate memory
- Mem = (cmsUInt8Number*) _cmsMalloc(ContextID, BytesNeeded);
- if (Mem == NULL) goto Error;
-
- // Save to temporary storage
- if (!cmsSaveProfileToMem(hProfile, Mem, &BytesNeeded)) goto Error;
-
- // Create MD5 object
- MD5 = MD5alloc(ContextID);
- if (MD5 == NULL) goto Error;
-
- // Add all bytes
- MD5add(MD5, Mem, BytesNeeded);
-
- // Temp storage is no longer needed
- _cmsFree(ContextID, Mem);
-
- // Restore header
- memmove(Icc, &Keep, sizeof(_cmsICCPROFILE));
-
- // And store the ID
- MD5finish(&Icc ->ProfileID, MD5);
- return TRUE;
-
-Error:
-
- // Free resources as something went wrong
- // "MD5" cannot be other than NULL here, so no need to free it
- if (Mem != NULL) _cmsFree(ContextID, Mem);
- memmove(Icc, &Keep, sizeof(_cmsICCPROFILE));
- return FALSE;
-}
-
-cmsBool CMSEXPORT cmsMD5computeIDExt(const void* buf, unsigned long size, unsigned char ProfileID[16])
-{
- cmsHANDLE MD5;
- cmsUInt8Number* Mem;
-
- if (buf == NULL)
- return FALSE;
- MD5 = NULL;
- Mem = (cmsUInt8Number*)_cmsMalloc(NULL,size);
- memmove(Mem,buf,size);
- // Create MD5 object
- MD5 = MD5alloc(NULL);
- if (MD5 == NULL) goto Error;
-
- // Add all bytes
- MD5add(MD5, Mem, size);
-
- // Temp storage is no longer needed
- _cmsFree(NULL, Mem);
-
- // And store the ID
- MD5finish((cmsProfileID*)ProfileID, MD5);
- return TRUE;
-Error:
- if (MD5 != NULL) _cmsFree(NULL, MD5);
- return FALSE;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-20 04:42:23 +0000