Add BytePtr and ConstBytePtr overloads for SecByteBlock (GH #890)

1 files changed, 22 insertions, 0 deletions

diff --git a/misc.cpp b/misc.cpp
index 2b68afcb..64252311 100644
--- a/misc.cpp
+++ b/misc.cpp
@@ -20,6 +20,28 @@
 

 NAMESPACE_BEGIN(CryptoPP)

 

+byte* BytePtr(SecByteBlock& str)

+{

+	// Caller wants a writeable pointer

+	CRYPTOPP_ASSERT(str.empty() == false);

+

+	if (str.empty())

+		return NULLPTR;

+	return reinterpret_cast<byte*>(str.data());

+}

+

+const byte* ConstBytePtr(const SecByteBlock& str)

+{

+	if (str.empty())

+		return NULLPTR;

+	return reinterpret_cast<const byte*>(str.data());

+}

+

+size_t BytePtrSize(const SecByteBlock& str)

+{

+	return str.size();

+}

+

 void xorbuf(byte *buf, const byte *mask, size_t count)

 {

 	CRYPTOPP_ASSERT(buf != NULLPTR);