6 files changed, 9 insertions, 9 deletions
diff --git a/src/crypto/aes.h b/src/crypto/aes.h
index 8cae357c1..e9f1b52e7 100644
--- a/src/crypto/aes.h
+++ b/src/crypto/aes.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2015 The Bitcoin Core developers
+// Copyright (c) 2015-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 //
diff --git a/src/crypto/ctaes/ctaes.c b/src/crypto/ctaes/ctaes.c
index 2389fc0bb..55962bf25 100644
--- a/src/crypto/ctaes/ctaes.c
+++ b/src/crypto/ctaes/ctaes.c
@@ -134,7 +134,7 @@ static void SubBytes(AES_state *s, int inv) {
         D = U7;
     }
 
-    /* Non-linear transformation (identical to the code in SubBytes) */
+    /* Non-linear transformation (shared between the forward and backward case) */
     M1 = T13 & T6;
     M6 = T3 & T16;
     M11 = T1 & T15;
@@ -469,9 +469,9 @@ static void AES_encrypt(const AES_state* rounds, int nrounds, unsigned char* cip
 
 static void AES_decrypt(const AES_state* rounds, int nrounds, unsigned char* plain16, const unsigned char* cipher16) {
     /* Most AES decryption implementations use the alternate scheme
-     * (the Equivalent Inverse Cipher), which looks more like encryption, but
-     * needs different round constants. We can't reuse any code here anyway, so
-     * don't bother. */
+     * (the Equivalent Inverse Cipher), which allows for more code reuse between
+     * the encryption and decryption code, but requires separate setup for both.
+     */
     AES_state s = {{0}};
     int round;
 
diff --git a/src/crypto/ripemd160.h b/src/crypto/ripemd160.h
index bd41f0250..38ea375c1 100644
--- a/src/crypto/ripemd160.h
+++ b/src/crypto/ripemd160.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2014 The Bitcoin Core developers
+// Copyright (c) 2014-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/crypto/sha1.h b/src/crypto/sha1.h
index 8fb20810b..8b4568ee1 100644
--- a/src/crypto/sha1.h
+++ b/src/crypto/sha1.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2014 The Bitcoin Core developers
+// Copyright (c) 2014-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/crypto/sha256.h b/src/crypto/sha256.h
index 5b15b6a23..127e62a22 100644
--- a/src/crypto/sha256.h
+++ b/src/crypto/sha256.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2014 The Bitcoin Core developers
+// Copyright (c) 2014-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/crypto/sha512.h b/src/crypto/sha512.h
index 614681fae..cd1023bc8 100644
--- a/src/crypto/sha512.h
+++ b/src/crypto/sha512.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2014 The Bitcoin Core developers
+// Copyright (c) 2014-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.