From 8bc6bf9424e8c494f447d30abdfc2d135e99f172 Mon Sep 17 00:00:00 2001
From: toddouska <todd@wolfssl.com>
Date: Thu, 20 Mar 2014 10:31:52 -0700
Subject: [PATCH] add lower case support to Base16 decode for better known
 answer test support, export

---
 ctaocrypt/src/coding.c    | 7 ++++++-
 cyassl/ctaocrypt/aes.h    | 2 +-
 cyassl/ctaocrypt/coding.h | 2 +-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/ctaocrypt/src/coding.c b/ctaocrypt/src/coding.c
index c18c7ee05..68bf4a7ae 100644
--- a/ctaocrypt/src/coding.c
+++ b/ctaocrypt/src/coding.c
@@ -327,7 +327,12 @@ int Base64_EncodeEsc(const byte* in, word32 inLen, byte* out, word32* outLen)
 static
 const byte hexDecode[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
                            BAD, BAD, BAD, BAD, BAD, BAD, BAD,
-                           10, 11, 12, 13, 14, 15 
+                           10, 11, 12, 13, 14, 15,  /* upper case A-F */
+                           BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD,
+                           BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD,
+                           BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD,
+                           BAD, BAD,  /* G - ` */
+                           10, 11, 12, 13, 14, 15   /* lower case a-f */
                          };  /* A starts at 0x41 not 0x3A */
 
 int Base16_Decode(const byte* in, word32 inLen, byte* out, word32* outLen)
diff --git a/cyassl/ctaocrypt/aes.h b/cyassl/ctaocrypt/aes.h
index 371778b62..5c6323e08 100644
--- a/cyassl/ctaocrypt/aes.h
+++ b/cyassl/ctaocrypt/aes.h
@@ -159,7 +159,7 @@ CYASSL_API int  AesCcmDecrypt(Aes* aes, byte* out, const byte* in, word32 inSz,
     CYASSL_API int  AesCbcDecrypt_fips(Aes* aes, byte* out, const byte* in,
                                        word32 sz);
     #ifndef FIPS_NO_WRAPPERS
-        /* if not internal or fips.c consumer force fips calls if fips build */
+        /* if not impl or fips.c impl wrapper force fips calls if fips build */
         #define AesSetKey     AesSetKey_fips
         #define AesCbcEncrypt AesCbcEncrypt_fips
         #define AesCbcDecrypt AesCbcDecrypt_fips
diff --git a/cyassl/ctaocrypt/coding.h b/cyassl/ctaocrypt/coding.h
index 911163794..0a72d414b 100644
--- a/cyassl/ctaocrypt/coding.h
+++ b/cyassl/ctaocrypt/coding.h
@@ -42,7 +42,7 @@ CYASSL_LOCAL int Base64_Decode(const byte* in, word32 inLen, byte* out,
     CYASSL_API
     int Base64_EncodeEsc(const byte* in, word32 inLen, byte* out,
                                   word32* outLen);
-    CYASSL_LOCAL 
+    CYASSL_API
     int Base16_Decode(const byte* in, word32 inLen, byte* out, word32* outLen);
 #endif