diff --git a/Crypto/ASN1/Makefile b/Crypto/ASN1/Makefile
new file mode 100644
index 0000000..df3f830
--- /dev/null
+++ b/Crypto/ASN1/Makefile
@@ -0,0 +1,29 @@
+TARGET       = tests
+CONFIG       = release
+SOURCES      = ASN1.cpp main.cpp
+
+
+include ../../Makefile.inc
+
+
+test-report.txt: mykey.pub $(TARGET_BINARY) decrypt.txt
+	@echo -n "ReadKey Test: " >> test-report.txt
+	@./$(TARGET_BINARY) mykey.pub >> test-report.txt
+	@echo -n "Decryption Test: " >> test-report.txt
+	@if diff -du message.txt decrypt.txt ; then echo "PASS" ; else echo "FAIL" ; fi >> test-report.txt
+
+decrypt.txt: mykey.pub crypt.bin
+	@openssl rsautl -verify -pubin -inkey mykey.pub -in crypt.bin -out decrypt.txt
+
+crypt.bin: message.txt
+	@openssl rsautl -sign -inkey mykey.pem -in message.txt -out crypt.bin
+
+message.txt:
+	@echo "This is my text.\nLet's make it secret.\n" > message.txt
+
+mykey.pub: mykey.pem
+	@openssl rsa -in mykey.pem -pubout -out mykey.pub
+
+mykey.pem:
+	@openssl genrsa -out mykey.pem 2048
+

diff --git a/Crypto/ASN1/Makefile b/Crypto/ASN1/Makefile
new file mode 100644
index 0000000..df3f830
--- /dev/null
+++ b/Crypto/ASN1/Makefile
@@ -0,0 +1,29 @@
+TARGET       = tests
+CONFIG       = release
+SOURCES      = ASN1.cpp main.cpp
+
+
+include ../../Makefile.inc
+
+
+test-report.txt: mykey.pub $(TARGET_BINARY) decrypt.txt
+	@echo -n "ReadKey Test: " >> test-report.txt
+	@./$(TARGET_BINARY) mykey.pub >> test-report.txt
+	@echo -n "Decryption Test: " >> test-report.txt
+	@if diff -du message.txt decrypt.txt ; then echo "PASS" ; else echo "FAIL" ; fi >> test-report.txt
+
+decrypt.txt: mykey.pub crypt.bin
+	@openssl rsautl -verify -pubin -inkey mykey.pub -in crypt.bin -out decrypt.txt
+
+crypt.bin: message.txt
+	@openssl rsautl -sign -inkey mykey.pem -in message.txt -out crypt.bin
+
+message.txt:
+	@echo "This is my text.\nLet's make it secret.\n" > message.txt
+
+mykey.pub: mykey.pem
+	@openssl rsa -in mykey.pem -pubout -out mykey.pub
+
+mykey.pem:
+	@openssl genrsa -out mykey.pem 2048
+
diff --git a/Crypto/ASN1/main.cpp b/Crypto/ASN1/main.cpp
new file mode 100644
index 0000000..5fc378a
--- /dev/null
+++ b/Crypto/ASN1/main.cpp
@@ -0,0 +1,107 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <memory.h>
+#include <fstream>
+#include <vector>
+#include "ASN1.h"
+#include "../Base64/Base64.h"
+#include "../Base64/Base64.cpp"
+
+
+int main(int argc, char *argv[])
+{
+  if (argc != 2)
+  {
+    printf("Usage: %s key\n", argv[0]);
+    return -1;
+  }
+
+  std::ifstream infile(argv[1]);
+  if (!infile.is_open())
+  {
+    printf("Couldn't open file %s\n", argv[1]);
+    return -1;
+  }
+
+  std::string line;
+  std::string base64;
+  while (std::getline(infile, line))
+  {
+    if ( line.size() < 5 || memcmp(line.c_str(), "-----", 5) != 0 )
+      base64 += line;
+  }
+
+  std::vector<uint8_t> decoded;
+  Base64::Decode(base64, decoded);
+
+  std::vector< std::vector<uint8_t> > publicKeyValues;
+
+  printf("\ndecoding:\n");
+  uint8_t* buf = (uint8_t*)decoded.data();
+  for (int i = 0; i < decoded.size(); i++)
+  {
+    const char* typeNames[] = { "INVALID", "SEQUENCE", "INTEGER", "OBJECT", "NULL", "BIT STRING" }; 
+    int typ = 0;
+    if (buf[i] == 0x30) typ = 1; // seq
+    if (buf[i] == 0x02) typ = 2; // int
+    if (buf[i] == 0x03) typ = 5; // bits
+    if (buf[i] == 0x05) typ = 4; // null
+    if (buf[i] == 0x06) typ = 3; // obj
+
+    unsigned offset = i;
+    i++;
+    unsigned d = 0;
+    unsigned hl = (buf[i] == 0x82) ? 4 : 2;
+    if (hl == 4)
+      i++;
+    unsigned len = buf[i];
+    i++;
+    if (hl == 4)
+    {
+      len <<= 8;
+      len |= buf[i];
+      i++;
+    }
+
+    if (typ != 0)
+        printf("% 5i:d=%i  hl=%i l=% 4i cons: %s\n", offset, d, hl, len, typeNames[typ]);
+
+    std::vector<uint8_t> publicKeyValue;
+    if (typ == 2)
+    {
+      while (len--)
+      {
+        publicKeyValue.push_back(buf[i]);
+        i++;
+      }
+      publicKeyValues.push_back(publicKeyValue);
+    }
+
+    if (typ == 3)
+      while (len--)
+        i++;
+
+    if (typ == 5)
+      i++;
+
+    i--;
+  }
+
+  for (int i = 0; i < publicKeyValues.size(); i++)
+  {
+    std::vector<uint8_t>& v = publicKeyValues[i];
+    printf("val: ");
+    for (int i = 0; i < v.size(); i++)
+      printf("%02X", v[i]);
+    printf("\n");
+  }
+
+  infile.close();
+
+  ASN1Object asn1object(decoded);
+  asn1object.Print(2);
+
+}
+
+