Derive x86, x86-64, and SSE2 implementations of SHA-1 directly from SHA_160

3 files changed, 5 insertions, 35 deletions

diff --git a/src/hash/sha1_ia32/info.txt b/src/hash/sha1_ia32/info.txt
index ff8b66ddc..45903f2d6 100644
--- a/src/hash/sha1_ia32/info.txt
+++ b/src/hash/sha1_ia32/info.txt
@@ -12,7 +12,7 @@ sha1_ia32.h
 
 <requires>
 asm_ia32
-mdx_hash
+sha1
 utils
 </requires>
 
diff --git a/src/hash/sha1_ia32/sha1_ia32.cpp b/src/hash/sha1_ia32/sha1_ia32.cpp
index 4e24b0793..ff6e67001 100644
--- a/src/hash/sha1_ia32/sha1_ia32.cpp
+++ b/src/hash/sha1_ia32/sha1_ia32.cpp
@@ -23,27 +23,4 @@ void SHA_160_IA32::hash(const byte input[])
    botan_sha160_ia32_compress(digest, input, W);
    }
 
-/*************************************************
-* Copy out the digest                            *
-*************************************************/
-void SHA_160_IA32::copy_out(byte output[])
-   {
-   for(u32bit j = 0; j != OUTPUT_LENGTH; ++j)
-      output[j] = get_byte(j % 4, digest[j/4]);
-   }
-
-/*************************************************
-* Clear memory of sensitive data                 *
-*************************************************/
-void SHA_160_IA32::clear() throw()
-   {
-   MDx_HashFunction::clear();
-   W.clear();
-   digest[0] = 0x67452301;
-   digest[1] = 0xEFCDAB89;
-   digest[2] = 0x98BADCFE;
-   digest[3] = 0x10325476;
-   digest[4] = 0xC3D2E1F0;
-   }
-
 }
diff --git a/src/hash/sha1_ia32/sha1_ia32.h b/src/hash/sha1_ia32/sha1_ia32.h
index ab9dd8ac2..e294cc42c 100644
--- a/src/hash/sha1_ia32/sha1_ia32.h
+++ b/src/hash/sha1_ia32/sha1_ia32.h
@@ -6,29 +6,22 @@
 #ifndef BOTAN_SHA_160_IA32_H__
 #define BOTAN_SHA_160_IA32_H__
 
-#include <botan/mdx_hash.h>
+#include <botan/sha160.h>
 
 namespace Botan {
 
 /*************************************************
 * SHA-160                                        *
 *************************************************/
-class BOTAN_DLL SHA_160_IA32 : public MDx_HashFunction
+class BOTAN_DLL SHA_160_IA32 : public SHA_160
    {
    public:
-      void clear() throw();
-      std::string name() const { return "SHA-160"; }
       HashFunction* clone() const { return new SHA_160_IA32; }
 
-      SHA_160_IA32() : MDx_HashFunction(20, 64, true, true) { clear(); }
+      // Note 81 instead of normal 80: IA-32 asm needs an extra temp
+      SHA_160_IA32() : SHA_160(81) {}
    private:
       void hash(const byte[]);
-      void copy_out(byte[]);
-
-      SecureBuffer<u32bit, 5> digest;
-
-      // Note 81 instead of normal 80: IA-32 asm needs an extra temp
-      SecureBuffer<u32bit, 81> W;
    };
 
 }