From 5909e8328a91e4ae952c0ab760cddddbc3825b27 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 16 Apr 2016 15:46:37 +0300
Subject: [PATCH] Slightly shorten the names of the constant structs

---
 source/sha2.cpp | 36 ++++++++++++++++++------------------
 source/sha2.h   |  8 ++++----
 2 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/source/sha2.cpp b/source/sha2.cpp
index c7f51a5..3823643 100644
--- a/source/sha2.cpp
+++ b/source/sha2.cpp
@@ -39,8 +39,8 @@ SHA2<C>::SHA2()
 {
 	init();
 }
-template SHA2<SHA2_256Constants>::SHA2();
-template SHA2<SHA2_512Constants>::SHA2();
+template SHA2<SHA256Constants>::SHA2();
+template SHA2<SHA512Constants>::SHA2();
 
 template<typename C>
 SHA2<C>::SHA2(const char *data, unsigned len)
@@ -48,8 +48,8 @@ SHA2<C>::SHA2(const char *data, unsigned len)
 	init();
 	BlockHash<Constants::BLOCK_SIZE>::update(data, len);
 }
-template SHA2<SHA2_256Constants>::SHA2(const char *, unsigned);
-template SHA2<SHA2_512Constants>::SHA2(const char *, unsigned);
+template SHA2<SHA256Constants>::SHA2(const char *, unsigned);
+template SHA2<SHA512Constants>::SHA2(const char *, unsigned);
 
 template<typename C>
 SHA2<C>::SHA2(const string &str)
@@ -57,8 +57,8 @@ SHA2<C>::SHA2(const string &str)
 	init();
 	BlockHash<Constants::BLOCK_SIZE>::update(str);
 }
-template SHA2<SHA2_256Constants>::SHA2(const string &);
-template SHA2<SHA2_512Constants>::SHA2(const string &);
+template SHA2<SHA256Constants>::SHA2(const string &);
+template SHA2<SHA512Constants>::SHA2(const string &);
 
 template<typename C>
 void SHA2<C>::init()
@@ -66,8 +66,8 @@ void SHA2<C>::init()
 	copy(Constants::initial, Constants::initial+8, buffer);
 	processed_bytes = 0;
 }
-template void SHA2<SHA2_256Constants>::init();
-template void SHA2<SHA2_512Constants>::init();
+template void SHA2<SHA256Constants>::init();
+template void SHA2<SHA512Constants>::init();
 
 template<typename C>
 void SHA2<C>::process_block(const char *data)
@@ -110,8 +110,8 @@ void SHA2<C>::process_block(const char *data)
 
 	processed_bytes += Constants::BLOCK_SIZE;
 }
-template void SHA2<SHA2_256Constants>::process_block(const char *);
-template void SHA2<SHA2_512Constants>::process_block(const char *);
+template void SHA2<SHA256Constants>::process_block(const char *);
+template void SHA2<SHA512Constants>::process_block(const char *);
 
 template<typename C>
 unsigned SHA2<C>::get_digest(char *digest, unsigned len) const
@@ -134,16 +134,16 @@ unsigned SHA2<C>::get_digest(char *digest, unsigned len) const
 
 	return Constants::DIGEST_SIZE;
 }
-template unsigned SHA2<SHA2_256Constants>::get_digest(char *, unsigned) const;
-template unsigned SHA2<SHA2_512Constants>::get_digest(char *, unsigned) const;
+template unsigned SHA2<SHA256Constants>::get_digest(char *, unsigned) const;
+template unsigned SHA2<SHA512Constants>::get_digest(char *, unsigned) const;
 
 
-const SHA2_256Constants::WordType SHA2_256Constants::initial[8] =
+const SHA256Constants::WordType SHA256Constants::initial[8] =
 {
 	0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19
 };
 
-const SHA2_256Constants::WordType SHA2_256Constants::round_constants[SHA2_256Constants::N_ROUNDS] =
+const SHA256Constants::WordType SHA256Constants::round_constants[SHA256Constants::N_ROUNDS] =
 {
 	0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5, 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
 	0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3, 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
@@ -155,7 +155,7 @@ const SHA2_256Constants::WordType SHA2_256Constants::round_constants[SHA2_256Con
 	0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208, 0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2
 };
 
-const unsigned SHA2_256Constants::sigma_constants[12] =
+const unsigned SHA256Constants::sigma_constants[12] =
 {
 	2, 13, 22,  // For Σ₀
 	6, 11, 25,  // For Σ₁
@@ -163,13 +163,13 @@ const unsigned SHA2_256Constants::sigma_constants[12] =
 	17, 19, 10  // For σ₁
 };
 
-const SHA2_512Constants::WordType SHA2_512Constants::initial[8] =
+const SHA512Constants::WordType SHA512Constants::initial[8] =
 {
 	0x6A09E667F3BCC908, 0xBB67AE8584CAA73B, 0x3C6EF372FE94F82B, 0xA54FF53A5F1D36F1,
 	0x510E527FADE682D1, 0x9B05688C2B3E6C1F, 0x1F83D9ABFB41BD6B, 0x5BE0CD19137E2179,
 };
 
-const SHA2_512Constants::WordType SHA2_512Constants::round_constants[SHA2_512Constants::N_ROUNDS] =
+const SHA512Constants::WordType SHA512Constants::round_constants[SHA512Constants::N_ROUNDS] =
 {
 	0x428A2F98D728AE22, 0x7137449123EF65CD, 0xB5C0FBCFEC4D3B2F, 0xE9B5DBA58189DBBC,
 	0x3956C25BF348B538, 0x59F111F1B605D019, 0x923F82A4AF194F9B, 0xAB1C5ED5DA6D8118,
@@ -192,7 +192,7 @@ const SHA2_512Constants::WordType SHA2_512Constants::round_constants[SHA2_512Con
 	0x28DB77F523047D84, 0x32CAAB7B40C72493, 0x3C9EBE0A15C9BEBC, 0x431D67C49C100D4C,
 	0x4CC5D4BECB3E42B6, 0x597F299CFC657E2A, 0x5FCB6FAB3AD6FAEC, 0x6C44198C4A475817
 };
-const unsigned SHA2_512Constants::sigma_constants[12] =
+const unsigned SHA512Constants::sigma_constants[12] =
 {
 	28, 34, 39,  // For Σ₀
 	14, 18, 41,  // For Σ₁
diff --git a/source/sha2.h b/source/sha2.h
index 060b8d7..88dee9a 100644
--- a/source/sha2.h
+++ b/source/sha2.h
@@ -34,7 +34,7 @@ private:
 };
 
 
-struct SHA2_256Constants
+struct SHA256Constants
 {
 	typedef UInt32 WordType;
 
@@ -52,7 +52,7 @@ struct SHA2_256Constants
 	static const unsigned sigma_constants[12];
 };
 
-struct SHA2_512Constants
+struct SHA512Constants
 {
 	typedef UInt64 WordType;
 
@@ -70,8 +70,8 @@ struct SHA2_512Constants
 	static const unsigned sigma_constants[12];
 };
 
-typedef SHA2<SHA2_256Constants> SHA256;
-typedef SHA2<SHA2_512Constants> SHA512;
+typedef SHA2<SHA256Constants> SHA256;
+typedef SHA2<SHA512Constants> SHA512;
 
 } // namespace Crypto
 } // namespace Msp
-- 
2.45.2