More size_t. Document changes

3 files changed, 6 insertions, 6 deletions

diff --git a/src/hash/hash.h b/src/hash/hash.h
index 95d12806f..881e23817 100644
--- a/src/hash/hash.h
+++ b/src/hash/hash.h
@@ -23,7 +23,7 @@ class BOTAN_DLL HashFunction : public BufferedComputation
       * @param hash_len the output length
       * @param block_len the internal block size (if applicable)
       */
-      HashFunction(u32bit hash_len) : BufferedComputation(hash_len) {}
+      HashFunction(size_t hash_len) : BufferedComputation(hash_len) {}
 
       virtual ~HashFunction() {}
 
diff --git a/src/hash/skein/skein_512.cpp b/src/hash/skein/skein_512.cpp
index cda8e3f56..37aed4357 100644
--- a/src/hash/skein/skein_512.cpp
+++ b/src/hash/skein/skein_512.cpp
@@ -133,14 +133,14 @@ void reset_tweak(MemoryRegion<u64bit>& T,
 
 void initial_block(MemoryRegion<u64bit>& H,
                    MemoryRegion<u64bit>& T,
-                   u32bit output_bits,
+                   size_t output_bits,
                    const std::string& personalization)
    {
    zeroise(H);
 
    // ASCII("SHA3") followed by version (0x0001) code
    byte config_str[32] = { 0x53, 0x48, 0x41, 0x33, 0x01, 0x00, 0 };
-   store_le(output_bits, config_str + 8);
+   store_le(u32bit(output_bits), config_str + 8);
 
    reset_tweak(T, SKEIN_CONFIG, true);
    ubi_512(H, T, config_str, sizeof(config_str));
@@ -166,14 +166,14 @@ void initial_block(MemoryRegion<u64bit>& H,
 
 }
 
-Skein_512::Skein_512(u32bit arg_output_bits,
+Skein_512::Skein_512(size_t arg_output_bits,
                      const std::string& arg_personalization) :
    HashFunction(arg_output_bits / 8),
    personalization(arg_personalization),
    output_bits(arg_output_bits),
    H(9), T(3), buffer(64), buf_pos(0)
    {
-   if(output_bits == 0 || output_bits % 8 != 0)
+   if(output_bits == 0 || output_bits % 8 != 0 || output_bits > 64*1024)
       throw Invalid_Argument("Bad output bits size for Skein-512");
 
    initial_block(H, T, output_bits, personalization);
diff --git a/src/hash/skein/skein_512.h b/src/hash/skein/skein_512.h
index fce02c1f6..54cdd002c 100644
--- a/src/hash/skein/skein_512.h
+++ b/src/hash/skein/skein_512.h
@@ -25,7 +25,7 @@ class BOTAN_DLL Skein_512 : public HashFunction
       * @param personalization is a string that will paramaterize the
       * hash output
       */
-      Skein_512(u32bit output_bits = 512,
+      Skein_512(size_t output_bits = 512,
                 const std::string& personalization = "");
 
       size_t hash_block_size() const { return 64; }