Port hash computation to cmCryptoHash

Avoid using KWSys MD5 or `cm_sha2` and use the `cmCryptoHash`
abstraction instead.

1 files changed, 11 insertions, 20 deletions

diff --git a/Source/cmUuid.cxx b/Source/cmUuid.cxx
index 904bcbb..201e1cc 100644
--- a/Source/cmUuid.cxx
+++ b/Source/cmUuid.cxx
@@ -2,9 +2,8 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmUuid.h"
 
-#include "cm_sha2.h"
+#include "cmCryptoHash.h"
 
-#include <cmsys/MD5.h>
 #include <string.h>
 
 cmUuid::cmUuid()
@@ -22,16 +21,12 @@ std::string cmUuid::FromMd5(std::vector<unsigned char> const& uuidNamespace,
   std::vector<unsigned char> hashInput;
   this->CreateHashInput(uuidNamespace, name, hashInput);
 
-  cmsysMD5_s* md5 = cmsysMD5_New();
-  cmsysMD5_Initialize(md5);
-  cmsysMD5_Append(md5, &hashInput[0], int(hashInput.size()));
+  cmCryptoHash md5(cmCryptoHash::AlgoMD5);
+  md5.Initialize();
+  md5.Append(&hashInput[0], hashInput.size());
+  std::vector<unsigned char> digest = md5.Finalize();
 
-  unsigned char digest[16] = { 0 };
-  cmsysMD5_Finalize(md5, digest);
-
-  cmsysMD5_Delete(md5);
-
-  return this->FromDigest(digest, 3);
+  return this->FromDigest(&digest[0], 3);
 }
 
 std::string cmUuid::FromSha1(std::vector<unsigned char> const& uuidNamespace,
@@ -40,16 +35,12 @@ std::string cmUuid::FromSha1(std::vector<unsigned char> const& uuidNamespace,
   std::vector<unsigned char> hashInput;
   this->CreateHashInput(uuidNamespace, name, hashInput);
 
-  SHA_CTX* sha = new SHA_CTX;
-  SHA1_Init(sha);
-  SHA1_Update(sha, &hashInput[0], hashInput.size());
-
-  unsigned char digest[SHA1_DIGEST_LENGTH] = { 0 };
-  SHA1_Final(digest, sha);
-
-  delete sha;
+  cmCryptoHash sha1(cmCryptoHash::AlgoSHA1);
+  sha1.Initialize();
+  sha1.Append(&hashInput[0], hashInput.size());
+  std::vector<unsigned char> digest = sha1.Finalize();
 
-  return this->FromDigest(digest, 5);
+  return this->FromDigest(&digest[0], 5);
 }
 
 void cmUuid::CreateHashInput(std::vector<unsigned char> const& uuidNamespace,