1 files changed, 136 insertions, 0 deletions
diff --git a/src/ltc/hashes/sha2/sha384.c b/src/ltc/hashes/sha2/sha384.c
new file mode 100755
index 00000000..483784b0
--- /dev/null
+++ b/src/ltc/hashes/sha2/sha384.c
@@ -0,0 +1,136 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+/**
+   @param sha384.c
+   LTC_SHA384 hash included in sha512.c, Tom St Denis
+*/
+
+#include "tomcrypt.h"
+
+#if defined(LTC_SHA384) && defined(LTC_SHA512)
+
+const struct ltc_hash_descriptor sha384_desc =
+{
+    "sha384",
+    4,
+    48,
+    128,
+
+    /* OID */
+   { 2, 16, 840, 1, 101, 3, 4, 2, 2,  },
+   9,
+
+    &sha384_init,
+    &sha512_process,
+    &sha384_done,
+    &sha384_test,
+    NULL
+};
+
+/**
+   Initialize the hash state
+   @param md   The hash state you wish to initialize
+   @return CRYPT_OK if successful
+*/
+int sha384_init(hash_state * md)
+{
+    LTC_ARGCHK(md != NULL);
+
+    md->sha512.curlen = 0;
+    md->sha512.length = 0;
+    md->sha512.state[0] = CONST64(0xcbbb9d5dc1059ed8);
+    md->sha512.state[1] = CONST64(0x629a292a367cd507);
+    md->sha512.state[2] = CONST64(0x9159015a3070dd17);
+    md->sha512.state[3] = CONST64(0x152fecd8f70e5939);
+    md->sha512.state[4] = CONST64(0x67332667ffc00b31);
+    md->sha512.state[5] = CONST64(0x8eb44a8768581511);
+    md->sha512.state[6] = CONST64(0xdb0c2e0d64f98fa7);
+    md->sha512.state[7] = CONST64(0x47b5481dbefa4fa4);
+    return CRYPT_OK;
+}
+
+/**
+   Terminate the hash to get the digest
+   @param md  The hash state
+   @param out [out] The destination of the hash (48 bytes)
+   @return CRYPT_OK if successful
+*/
+int sha384_done(hash_state * md, unsigned char *out)
+{
+   unsigned char buf[64];
+
+   LTC_ARGCHK(md  != NULL);
+   LTC_ARGCHK(out != NULL);
+
+    if (md->sha512.curlen >= sizeof(md->sha512.buf)) {
+       return CRYPT_INVALID_ARG;
+    }
+
+   sha512_done(md, buf);
+   XMEMCPY(out, buf, 48);
+#ifdef LTC_CLEAN_STACK
+   zeromem(buf, sizeof(buf));
+#endif
+   return CRYPT_OK;
+}
+
+/**
+  Self-test the hash
+  @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled
+*/
+int  sha384_test(void)
+{
+ #ifndef LTC_TEST
+    return CRYPT_NOP;
+ #else
+  static const struct {
+      char *msg;
+      unsigned char hash[48];
+  } tests[] = {
+    { "abc",
+      { 0xcb, 0x00, 0x75, 0x3f, 0x45, 0xa3, 0x5e, 0x8b,
+        0xb5, 0xa0, 0x3d, 0x69, 0x9a, 0xc6, 0x50, 0x07,
+        0x27, 0x2c, 0x32, 0xab, 0x0e, 0xde, 0xd1, 0x63,
+        0x1a, 0x8b, 0x60, 0x5a, 0x43, 0xff, 0x5b, 0xed,
+        0x80, 0x86, 0x07, 0x2b, 0xa1, 0xe7, 0xcc, 0x23,
+        0x58, 0xba, 0xec, 0xa1, 0x34, 0xc8, 0x25, 0xa7 }
+    },
+    { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
+      { 0x09, 0x33, 0x0c, 0x33, 0xf7, 0x11, 0x47, 0xe8,
+        0x3d, 0x19, 0x2f, 0xc7, 0x82, 0xcd, 0x1b, 0x47,
+        0x53, 0x11, 0x1b, 0x17, 0x3b, 0x3b, 0x05, 0xd2,
+        0x2f, 0xa0, 0x80, 0x86, 0xe3, 0xb0, 0xf7, 0x12,
+        0xfc, 0xc7, 0xc7, 0x1a, 0x55, 0x7e, 0x2d, 0xb9,
+        0x66, 0xc3, 0xe9, 0xfa, 0x91, 0x74, 0x60, 0x39 }
+    },
+  };
+
+  int i;
+  unsigned char tmp[48];
+  hash_state md;
+
+  for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) {
+      sha384_init(&md);
+      sha384_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg));
+      sha384_done(&md, tmp);
+      if (XMEMCMP(tmp, tests[i].hash, 48) != 0) {
+         return CRYPT_FAIL_TESTVECTOR;
+      }
+  }
+  return CRYPT_OK;
+ #endif
+}
+
+#endif /* defined(LTC_SHA384) && defined(LTC_SHA512) */
+
+/* $Source$ */
+/* $Revision$ */
+/* $Date$ */