Decompile fn_04828 (GPakEx::CipherModeBase::CiphertextLength)

Batch #10817 by ragnarok-clanker: 0 byte-identical, 1 confirmed by peer review.

- fn_04828 GPakEx::CipherModeBase::CiphertextLength: logic confirmed by peer review (annotation added to existing code)

Peer-reviewed-by: dori, cremane, StrawberrysherbetIX
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).

Source/Archive/GPak.cpp

@@ -2013,6 +2013,7 @@ namespace GPakEx {
   }
 
   // OFFSET: 0x00642C80
+  // FUNCTION: fn_04828
   std::size_t CipherModeBase::CiphertextLength(std::size_t length, bool padding) const {
     const std::size_t blockSize = this->m_cipher->BlockSize();
     if (length == 0) {