X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/libsecurity_transform/lib/Digest_block.c

diff --git a/libsecurity_transform/lib/Digest_block.c b/libsecurity_transform/lib/Digest_block.c
deleted file mode 100644
index cf444698..00000000
--- a/libsecurity_transform/lib/Digest_block.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- *  Digest_block.cpp
- *  libsecurity_transform
- *
- *  Created by JOsborne on 2/20/10.
- *  Copyright 2010 Apple. All rights reserved.
- *
- */
-
-#include "Digest_block.h"
-#include "SecCustomTransform.h"
-#include <CommonCrypto/CommonDigest.h>
-#include "Utilities.h"
-
-extern const CFStringRef kSecDigestMD2, kSecDigestMD4, kSecDigestMD5, kSecDigestSHA1, kSecDigestSHA2;
-extern const CFStringRef kSecDigestTypeAttribute, kSecDigestLengthAttribute;
-
-
-static CFStringRef kCustomDigestTransformName = CFSTR("com.apple.security.digest");
-
-SecTransformRef SecDigestTransformCreate_block(SecProviderRef device, CFTypeRef digestType, CFIndex digestLength, CFErrorRef* error) {
-	static dispatch_once_t inited;
-	__block CFStringRef current_algo;
-	__block CFIndex current_length;
-	
-	dispatch_once(&inited, ^{
-		SecTransformRegister(kCustomDigestTransformName, ^(CFStringRef name, SecTransformRebindActionBlock rebind) {
-			rebind(kSecTransformActionProcessData, NULL, ^(SecTransformRef tr, CFDataRef d, SecTransformSendAttribute set) {
-				set(kSecDigestTypeAttribute, kSecDigestSHA2);
-			});
-			rebind(SecTransformSetAttributeAction, NULL, ^(SecTransformRef tr, CFStringRef name, CFTypeRef value, SecTransformSendAttribute set) {
-				Boolean algo_changed = FALSE;
-				if (name == kSecDigestTypeAttribute || CFStringCompare(kSecDigestTypeAttribute, name, 0) == kCFCompareEqualTo) {
-					algo_changed = TRUE;
-					current_algo = CFStringCreateCopy(NULL, (CFStringRef)value);
-
-				} else if (name == kSecDigestLengthAttribute || CFStringCompare(kSecDigestLengthAttribute, name, 0) == kCFCompareEqualTo) {
-					algo_changed = TRUE;
-					CFNumberGetValue(value, kCFNumberCFIndexType, &current_length);
-				} else if (CFStringCompare(kSecTransformInputAttributeName, name, 0) == kCFCompareEqualTo) {
-					return (CFTypeRef)CreateSecTransformErrorRef(kSecTransformErrorInvalidType, "The type %@ is invalid.", name);
-				} else {
-					return (CFTypeRef)CreateSecTransformErrorRef(kSecTransformErrorInvalidType, "The type %@ is invalid.", name);
-				}
-				if (!algo_changed) {
-					return value;
-				}
-				
-				if (current_algo == kSecDigestSHA2 || CFStringCompare(current_algo, kSecDigestSHA2, 0) == kCFCompareEqualTo) {
-					switch (current_length) {
-						case 0:
-						case 512: {
-							__block CC_SHA512_CTX cc_context;
-							CC_SHA512_Init(&cc_context);
-							rebind(kSecTransformActionProcessData, NULL, ^(SecTransformRef tr, CFDataRef d, SecTransformSendAttribute set) {
-								if (d) {
-									CC_SHA512_Update(&cc_context, CFDataGetBytePtr(d), CFDataGetLength(d));
-									return SecTransformNoData();
-								} else {
-									u_int8_t digest_buffer[CC_SHA512_DIGEST_LENGTH];
-
-									CC_SHA512_Final(digest_buffer, &cc_context);
-									set(kSecTransformOutputAttributeName, CFDataCreate(NULL, digest_buffer, CC_SHA512_DIGEST_LENGTH));
-									return NULL;
-								}
-							});
-							return value;
-						}
-					}
-					return (CFTypeRef)CreateSecTransformErrorRef(kSecTransformErrorInvalidLength, "Invalid length.");
-				} else {
-					return (CFTypeRef)CreateSecTransformErrorRef(kSecTransformErrorInvalidAlgorithm, "Invalid algorithm.");
-				}
-			});
-		}, NULL);
-	});
-	
-	SecTransformRef dt = SecTransformCreate(kCustomDigestTransformName, NULL);
-	SecTransformSetAttribute(dt, kSecDigestTypeAttribute, digestType, error);
-	CFNumberRef dlen = CFNumberCreate(NULL, kCFNumberCFIndexType, &digestLength);
-	SecTransformSetAttribute(dt, kSecDigestLengthAttribute, dlen, error);
-	CFRelease(dlen);
-	
-	return dt;
-}