Add sha1 CLI (#2885)

### Description of changes: 
Expose `openssl sha1` as a CLI command.

### Call-outs:
Relies on `dgstTool` so only minimal code change is needed.

### Testing:
Unit tests

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license and the ISC license.

Co-authored-by: Justin W Smith <[email protected]>

Author: nhatnghiho

tool-openssl/dgst.cc

@@ -511,3 +511,6 @@ bool dgstTool(const args_list_t &args) {
 bool md5Tool(const args_list_t &args) {
   return dgstToolInternal(args, EVP_md5());
 }
+bool sha1Tool(const args_list_t &args) {
+  return dgstToolInternal(args, EVP_sha1());
+}

tool-openssl/dgst_test.cc

@@ -246,6 +246,47 @@ TEST_F(DgstComparisonTest, SignAndVerify) {
   EXPECT_EQ(awslc_hash, openssl_hash);
 }
 
+class MD5ComparisonTest : public DgstComparisonTest {};
+
+TEST_F(MD5ComparisonTest, Digest) {
+  // default digest
+  std::string awslc_command = std::string(awslc_executable_path) +
+                              " md5 -out " + out_path_awslc + " " + in_path;
+
+  std::string openssl_command = std::string(openssl_executable_path) +
+                                " md5 -out " + out_path_openssl + " " + in_path;
+
+  RunCommandsAndCompareOutput(awslc_command, openssl_command, out_path_awslc,
+                              out_path_openssl, awslc_output_str,
+                              openssl_output_str);
+
+  std::string awslc_hash = GetHash(awslc_output_str);
+  std::string openssl_hash = GetHash(openssl_output_str);
+
+  EXPECT_EQ(awslc_hash, openssl_hash);
+}
+
+class SHA1ComparisonTest : public DgstComparisonTest {};
+
+TEST_F(SHA1ComparisonTest, Digest) {
+  // default digest
+  std::string awslc_command = std::string(awslc_executable_path) +
+                              " sha1 -out " + out_path_awslc + " " + in_path;
+
+  std::string openssl_command = std::string(openssl_executable_path) +
+                                " sha1 -out " + out_path_openssl + " " +
+                                in_path;
+
+  RunCommandsAndCompareOutput(awslc_command, openssl_command, out_path_awslc,
+                              out_path_openssl, awslc_output_str,
+                              openssl_output_str);
+
+  std::string awslc_hash = GetHash(awslc_output_str);
+  std::string openssl_hash = GetHash(openssl_output_str);
+
+  EXPECT_EQ(awslc_hash, openssl_hash);
+}
+
 class DgstTest : public ::testing::Test {
  protected:
   void SetUp() override {
@@ -330,7 +371,7 @@ TEST_F(DgstTest, DigestDefault) {
   EXPECT_TRUE(dgstTool(args));
 }
 
-TEST_F(DgstTest, DigestSHA1) {
+TEST_F(DgstTest, CustomDigest) {
   args_list_t args = {"-sha1", in_path};
   EXPECT_TRUE(dgstTool(args));
 }
@@ -404,3 +445,17 @@ TEST_F(DgstTest, PassinBasicIntegrationTest) {
   bool result = dgstTool(args);
   ASSERT_TRUE(result);
 }
+
+class MD5Test : public DgstTest {};
+
+TEST_F(MD5Test, Sign) {
+  args_list_t args = {in_path};
+  EXPECT_TRUE(md5Tool(args));
+}
+
+class SHA1Test : public DgstTest {};
+
+TEST_F(SHA1Test, Sign) {
+  args_list_t args = {in_path};
+  EXPECT_TRUE(sha1Tool(args));
+}

tool-openssl/internal.h

@@ -99,6 +99,7 @@ bool pkeyutlTool(const args_list_t &args);
 bool RehashTool(const args_list_t &args);
 bool reqTool(const args_list_t &args);
 bool rsaTool(const args_list_t &args);
+bool sha1Tool(const args_list_t &args);
 bool SClientTool(const args_list_t &args);
 bool VerifyTool(const args_list_t &args);
 bool VersionTool(const args_list_t &args);

tool-openssl/tool.cc

@@ -15,7 +15,7 @@
 
 #include "./internal.h"
 
-static const std::array<Tool, 17> kTools = {{
+static const std::array<Tool, 18> kTools = {{
     {"crl", CRLTool},
     {"dgst", dgstTool},
     {"dhparam", dhparamTool},
@@ -29,6 +29,7 @@ static const std::array<Tool, 17> kTools = {{
     {"rehash", RehashTool},
     {"req", reqTool},
     {"rsa", rsaTool},
+    {"sha1", sha1Tool},
     {"s_client", SClientTool},
     {"verify", VerifyTool},
     {"version", VersionTool},