1 files changed, 116 insertions, 0 deletions
diff --git a/botan/src/pk_pad/hash_id/hash_id.cpp b/botan/src/pk_pad/hash_id/hash_id.cpp
new file mode 100644
index 0000000..c83ad87
--- /dev/null
+++ b/botan/src/pk_pad/hash_id/hash_id.cpp
@@ -0,0 +1,116 @@
+/*
+* Hash Function Identification
+* (C) 1999-2008 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/hash_id.h>
+#include <botan/exceptn.h>
+
+namespace Botan {
+
+namespace PKCS_IDS {
+
+const byte MD2_ID[] = {
+0x30, 0x20, 0x30, 0x0C, 0x06, 0x08, 0x2A, 0x86, 0x48, 0x86,
+0xF7, 0x0D, 0x02, 0x02, 0x05, 0x00, 0x04, 0x10 };
+
+const byte MD5_ID[] = {
+0x30, 0x20, 0x30, 0x0C, 0x06, 0x08, 0x2A, 0x86, 0x48, 0x86,
+0xF7, 0x0D, 0x02, 0x05, 0x05, 0x00, 0x04, 0x10 };
+
+const byte RIPEMD_128_ID[] = {
+0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B, 0x24, 0x03, 0x02,
+0x02, 0x05, 0x00, 0x04, 0x14 };
+
+const byte RIPEMD_160_ID[] = {
+0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B, 0x24, 0x03, 0x02,
+0x01, 0x05, 0x00, 0x04, 0x14 };
+
+const byte SHA_160_ID[] = {
+0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B, 0x0E, 0x03, 0x02,
+0x1A, 0x05, 0x00, 0x04, 0x14 };
+
+const byte SHA_224_ID[] = {
+0x30, 0x2D, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
+0x65, 0x03, 0x04, 0x02, 0x04, 0x05, 0x00, 0x04, 0x1C };
+
+const byte SHA_256_ID[] = {
+0x30, 0x31, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
+0x65, 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20 };
+
+const byte SHA_384_ID[] = {
+0x30, 0x41, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
+0x65, 0x03, 0x04, 0x02, 0x02, 0x05, 0x00, 0x04, 0x30 };
+
+const byte SHA_512_ID[] = {
+0x30, 0x51, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
+0x65, 0x03, 0x04, 0x02, 0x03, 0x05, 0x00, 0x04, 0x40 };
+
+const byte TIGER_ID[] = {
+0x30, 0x29, 0x30, 0x0D, 0x06, 0x09, 0x2B, 0x06, 0x01, 0x04,
+0x01, 0xDA, 0x47, 0x0C, 0x02, 0x05, 0x00, 0x04, 0x18 };
+
+}
+
+/**
+* @return HashID as specified by PKCS
+* For details see RFC 3447 section 9.2
+* http://tools.ietf.org/html/rfc3447#section-9.2
+*/
+MemoryVector<byte> pkcs_hash_id(const std::string& name)
+   {
+   MemoryVector<byte> out;
+
+   if(name == "Parallel(MD5,SHA-160)")
+      return out;
+
+   if(name == "MD2")
+      out.set(PKCS_IDS::MD2_ID, sizeof(PKCS_IDS::MD2_ID));
+   else if(name == "MD5")
+      out.set(PKCS_IDS::MD5_ID, sizeof(PKCS_IDS::MD5_ID));
+   else if(name == "RIPEMD-128")
+      out.set(PKCS_IDS::RIPEMD_128_ID, sizeof(PKCS_IDS::RIPEMD_128_ID));
+   else if(name == "RIPEMD-160")
+      out.set(PKCS_IDS::RIPEMD_160_ID, sizeof(PKCS_IDS::RIPEMD_160_ID));
+   else if(name == "SHA-160")
+      out.set(PKCS_IDS::SHA_160_ID, sizeof(PKCS_IDS::SHA_160_ID));
+   else if(name == "SHA-224")
+      out.set(PKCS_IDS::SHA_224_ID, sizeof(PKCS_IDS::SHA_224_ID));
+   else if(name == "SHA-256")
+      out.set(PKCS_IDS::SHA_256_ID, sizeof(PKCS_IDS::SHA_256_ID));
+   else if(name == "SHA-384")
+      out.set(PKCS_IDS::SHA_384_ID, sizeof(PKCS_IDS::SHA_384_ID));
+   else if(name == "SHA-512")
+      out.set(PKCS_IDS::SHA_512_ID, sizeof(PKCS_IDS::SHA_512_ID));
+   else if(name == "Tiger(24,3)")
+      out.set(PKCS_IDS::TIGER_ID, sizeof(PKCS_IDS::TIGER_ID));
+
+   if(out.size())
+      return out;
+
+   throw Invalid_Argument("No PKCS #1 identifier for " + name);
+   }
+
+/**
+* @return HashID as specified by IEEE 1363/X9.31
+*/
+byte ieee1363_hash_id(const std::string& name)
+   {
+   if(name == "SHA-160")    return 0x33;
+
+   if(name == "SHA-224")    return 0x38;
+   if(name == "SHA-256")    return 0x34;
+   if(name == "SHA-384")    return 0x36;
+   if(name == "SHA-512")    return 0x35;
+
+   if(name == "RIPEMD-160") return 0x31;
+   if(name == "RIPEMD-128") return 0x32;
+
+   if(name == "Whirlpool")  return 0x37;
+
+   return 0;
+   }
+
+}