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authorlloyd <[email protected]>2010-10-12 19:41:37 +0000
committerlloyd <[email protected]>2010-10-12 19:41:37 +0000
commitff2210b035a1598bf99e18a578ff075bece8fbe5 (patch)
tree4efe3a23daac9e2cd8b9f2b794d95089ba4cdfb2 /src/block/tea/tea.cpp
parente7e3af16a3540e1d7a84e085aa1ea7c55f627930 (diff)
Use size_t rather than u32bit for the blocks argument of encrypt_n
Diffstat (limited to 'src/block/tea/tea.cpp')
-rw-r--r--src/block/tea/tea.cpp22
1 files changed, 12 insertions, 10 deletions
diff --git a/src/block/tea/tea.cpp b/src/block/tea/tea.cpp
index de30858da..434c74ba6 100644
--- a/src/block/tea/tea.cpp
+++ b/src/block/tea/tea.cpp
@@ -13,14 +13,15 @@ namespace Botan {
/*
* TEA Encryption
*/
-void TEA::encrypt_n(const byte in[], byte out[], u32bit blocks) const
+void TEA::encrypt_n(const byte in[], byte out[], size_t blocks) const
{
- for(u32bit i = 0; i != blocks; ++i)
+ for(size_t i = 0; i != blocks; ++i)
{
- u32bit L = load_be<u32bit>(in, 0), R = load_be<u32bit>(in, 1);
+ u32bit L = load_be<u32bit>(in, 0);
+ u32bit R = load_be<u32bit>(in, 1);
u32bit S = 0;
- for(u32bit j = 0; j != 32; ++j)
+ for(size_t j = 0; j != 32; ++j)
{
S += 0x9E3779B9;
L += ((R << 4) + K[0]) ^ (R + S) ^ ((R >> 5) + K[1]);
@@ -37,14 +38,15 @@ void TEA::encrypt_n(const byte in[], byte out[], u32bit blocks) const
/*
* TEA Decryption
*/
-void TEA::decrypt_n(const byte in[], byte out[], u32bit blocks) const
+void TEA::decrypt_n(const byte in[], byte out[], size_t blocks) const
{
- for(u32bit i = 0; i != blocks; ++i)
+ for(size_t i = 0; i != blocks; ++i)
{
- u32bit L = load_be<u32bit>(in, 0), R = load_be<u32bit>(in, 1);
+ u32bit L = load_be<u32bit>(in, 0);
+ u32bit R = load_be<u32bit>(in, 1);
u32bit S = 0xC6EF3720;
- for(u32bit j = 0; j != 32; ++j)
+ for(size_t j = 0; j != 32; ++j)
{
R -= ((L << 4) + K[2]) ^ (L + S) ^ ((L >> 5) + K[3]);
L -= ((R << 4) + K[0]) ^ (R + S) ^ ((R >> 5) + K[1]);
@@ -63,8 +65,8 @@ void TEA::decrypt_n(const byte in[], byte out[], u32bit blocks) const
*/
void TEA::key_schedule(const byte key[], u32bit)
{
- for(u32bit j = 0; j != 4; ++j)
- K[j] = load_be<u32bit>(key, j);
+ for(size_t i = 0; i != 4; ++i)
+ K[i] = load_be<u32bit>(key, i);
}
}