From ce88363acee0c0b403891208def5e54c0633a752 Mon Sep 17 00:00:00 2001
From: Rene Meusel <rene@renemeusel.de>
Date: Wed, 11 Oct 2017 22:27:58 +0200
Subject: allow encoding of UTF-8 strings

---
 src/tests/test_asn1.cpp | 73 ++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 69 insertions(+), 4 deletions(-)

(limited to 'src/tests/test_asn1.cpp')

diff --git a/src/tests/test_asn1.cpp b/src/tests/test_asn1.cpp
index ee809a0c8..a034a64ce 100644
--- a/src/tests/test_asn1.cpp
+++ b/src/tests/test_asn1.cpp
@@ -56,9 +56,9 @@ Test::Result test_asn1_utf8_ascii_parsing()
             // \x13 - ASN1 tag for 'printable string'
             // \x06 - 6 characters of payload
             // ...  - UTF-8 encoded (ASCII chars only) word 'Moscow'
-            const std::string privet =
+            const std::string moscow =
                "\x13\x06\x4D\x6F\x73\x63\x6F\x77";
-            Botan::DataSource_Memory input(privet.data());
+            Botan::DataSource_Memory input(moscow.data());
             Botan::BER_Decoder dec(input);
 
             Botan::ASN1_String str;
@@ -83,9 +83,9 @@ Test::Result test_asn1_utf8_parsing()
             // \x0C - ASN1 tag for 'UTF8 string'
             // \x0C - 12 characters of payload
             // ...  - UTF-8 encoded russian word for Moscow in cyrilic script
-            const std::string privet =
+            const std::string moscow =
                "\x0C\x0C\xD0\x9C\xD0\xBE\xD1\x81\xD0\xBA\xD0\xB2\xD0\xB0";
-            Botan::DataSource_Memory input(privet.data());
+            Botan::DataSource_Memory input(moscow.data());
             Botan::BER_Decoder dec(input);
 
             Botan::ASN1_String str;
@@ -101,6 +101,69 @@ Test::Result test_asn1_utf8_parsing()
       return result;
    }
 
+Test::Result test_asn1_ascii_encoding()
+   {
+      Test::Result result("ASN.1 ASCII encoding");
+
+      try
+         {
+            // UTF-8 encoded (ASCII chars only) word 'Moscow'
+            const std::string moscow =
+               "\x4D\x6F\x73\x63\x6F\x77";
+            Botan::ASN1_String str(moscow);
+
+            Botan::DER_Encoder enc;
+
+            str.encode_into(enc);
+            auto encodingResult = enc.get_contents();
+
+            // \x13 - ASN1 tag for 'printable string'
+            // \x06 - 6 characters of payload
+            const auto moscowEncoded = Botan::hex_decode("13064D6F73636F77");
+            result.test_eq("encoding result", encodingResult, moscowEncoded);
+
+            result.test_success("No crash");
+         }
+      catch(const std::exception &ex)
+         {
+            result.test_failure(ex.what());
+         }
+
+      return result;
+   }
+
+Test::Result test_asn1_utf8_encoding()
+   {
+      Test::Result result("ASN.1 UTF-8 encoding");
+
+      try
+         {
+            // UTF-8 encoded russian word for Moscow in cyrilic script
+            const std::string moscow =
+               "\xD0\x9C\xD0\xBE\xD1\x81\xD0\xBA\xD0\xB2\xD0\xB0";
+            Botan::ASN1_String str(moscow);
+
+            Botan::DER_Encoder enc;
+
+            str.encode_into(enc);
+            auto encodingResult = enc.get_contents();
+
+            // \x0C - ASN1 tag for 'UTF8 string'
+            // \x0C - 12 characters of payload
+            const auto moscowEncoded =
+               Botan::hex_decode("0C0CD09CD0BED181D0BAD0B2D0B0");
+            result.test_eq("encoding result", encodingResult, moscowEncoded);
+
+            result.test_success("No crash");
+         }
+      catch(const std::exception &ex)
+         {
+            result.test_failure(ex.what());
+         }
+
+      return result;
+   }
+
 class ASN1_Tests final : public Test
    {
    public:
@@ -111,6 +174,8 @@ class ASN1_Tests final : public Test
          results.push_back(test_ber_stack_recursion());
          results.push_back(test_asn1_utf8_ascii_parsing());
          results.push_back(test_asn1_utf8_parsing());
+         results.push_back(test_asn1_ascii_encoding());
+         results.push_back(test_asn1_utf8_encoding());
 
          return results;
          }
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