Security-59306.11.20.tar.gz

[apple/security.git] / OSX / sec / SOSCircle / SecureObjectSync / SOSECWrapUnwrap.c

diff --git a/OSX/sec/SOSCircle/SecureObjectSync/SOSECWrapUnwrap.c b/OSX/sec/SOSCircle/SecureObjectSync/SOSECWrapUnwrap.c
deleted file mode 100644 (file)
index 6b84d44..0000000
--- a/OSX/sec/SOSCircle/SecureObjectSync/SOSECWrapUnwrap.c
+++ /dev/null
@@ -1,112 +0,0 @@
-//
-//  cc_CFData.c
-//  ProtectedCloudStorage
-//
-//  Copyright (c) 2014 Apple Inc. All rights reserved.
-//
-
-#include "SOSInternal.h"
-
-#include <AssertMacros.h>
-
-#include <CommonCrypto/CommonRandomSPI.h>
-#include <utilities/SecCFWrappers.h>
-#include <utilities/SecCFError.h>
-#include <utilities/SecBuffer.h>
-#include <corecrypto/ccec.h>
-
-
-#if 0 && defined(CCEC_RFC6637_DEBUG_KEYS)
-#define DEBUGKEYS CCEC_RFC6637_DEBUG_KEYS
-#else
-#define DEBUGKEYS 0
-#endif
-
-const char fingerprint[20] = "fingerprint";
-
-const uint8_t kAlgorithmID = 1;
-
-CFMutableDataRef
-SOSCopyECWrappedData(ccec_pub_ctx_t ec_ctx, CFDataRef data, CFErrorRef *error)
-{
-    CFMutableDataRef result = NULL;
-    CFMutableDataRef output = NULL;
-    size_t outputLength;
-    int res;
-
-    require_quiet(SecRequirementError(data != NULL, error, CFSTR("data required for wrapping")), exit);
-    require_quiet(SecRequirementError(ec_ctx != NULL, error, CFSTR("ec pub key required for wrapping")), exit);
-    require_quiet(ec_ctx != NULL, exit);
-
-    outputLength = ccec_rfc6637_wrap_key_size(ec_ctx, CCEC_RFC6637_COMPACT_KEYS | DEBUGKEYS, CFDataGetLength(data));
-
-    output = CFDataCreateMutableWithScratch(NULL, outputLength);
-    require_quiet(SecAllocationError(output, error, CFSTR("%s CFData allocation failed"), __FUNCTION__), exit);
-
-    res = ccec_rfc6637_wrap_key(ec_ctx, CFDataGetMutableBytePtr(output), CCEC_RFC6637_COMPACT_KEYS | DEBUGKEYS, kAlgorithmID,
-                                CFDataGetLength(data), CFDataGetBytePtr(data), &ccec_rfc6637_dh_curve_p256,
-                                &ccec_rfc6637_wrap_sha256_kek_aes128, (const uint8_t *)fingerprint,
-                                ccDevRandomGetRngState());
-    require_noerr_action(res, exit, SOSErrorCreate(kSOSErrorProcessingFailure, error, NULL, CFSTR("Wrap failed with %d"), res));
-
-    CFTransferRetained(result, output);
-
-exit:
-    CFReleaseNull(output);
-    return result;
-}
-
-bool SOSPerformWithUnwrappedData(ccec_full_ctx_t ec_ctx, CFDataRef data, CFErrorRef *error,
-                                 void (^operation)(size_t size, uint8_t *buffer))
-{
-    __block bool result = false;
-
-    PerformWithBufferAndClear(CFDataGetLength(data), ^(size_t size, uint8_t *buffer) {
-        size_t outputLength = size;
-        int ec_result;
-        uint8_t alg;
-        ec_result = ccec_rfc6637_unwrap_key(ec_ctx, &outputLength, buffer,
-                                            CCEC_RFC6637_COMPACT_KEYS | DEBUGKEYS, &alg, &ccec_rfc6637_dh_curve_p256,
-                                            &ccec_rfc6637_unwrap_sha256_kek_aes128, (const uint8_t *)fingerprint,
-                                            CFDataGetLength(data), CFDataGetBytePtr(data));
-
-        require_noerr_action(ec_result, exit, SOSErrorCreate(kSOSErrorProcessingFailure, error, NULL, CFSTR("ccec_rfc6637_unwrap_key failed with %d"), ec_result));
-        require_quiet(SecRequirementError(alg == kAlgorithmID, error, CFSTR("Unexpected algorithm: %d"), (int)alg), exit);
-
-        operation(outputLength, buffer);
-
-        result = true;
-    exit:
-        ;
-    });
-
-    return result;
-}
-
-CFMutableDataRef
-SOSCopyECUnwrappedData(ccec_full_ctx_t ec_ctx, CFDataRef data, CFErrorRef *error)
-{
-    uint8_t alg;
-    CFMutableDataRef result = NULL;
-    CFMutableDataRef output = NULL;
-    size_t outputLength = CFDataGetLength(data);
-    int res;
-
-    output = CFDataCreateMutableWithScratch(NULL, outputLength);
-    require_quiet(SecAllocationError(output, error, CFSTR("%s CFData allocation failed"), __FUNCTION__), exit);
-
-    res = ccec_rfc6637_unwrap_key(ec_ctx, &outputLength, CFDataGetMutableBytePtr(output),
-                                  CCEC_RFC6637_COMPACT_KEYS | DEBUGKEYS, &alg, &ccec_rfc6637_dh_curve_p256,
-                                  &ccec_rfc6637_unwrap_sha256_kek_aes128, (const uint8_t *)fingerprint,
-                                  CFDataGetLength(data), CFDataGetBytePtr(data));
-    require_noerr_action(res, exit, SOSErrorCreate(kSOSErrorProcessingFailure, error, NULL, CFSTR("Unwrap failed with %d"), res));
-    require_quiet(SecRequirementError(alg == kAlgorithmID, error, CFSTR("Unexpected algorithm: %d"), (int)alg), exit);
-
-    CFDataSetLength(output, outputLength);
-
-    CFTransferRetained(result, output);
-
-exit:
-    CFReleaseNull(output);
-    return result;
-}