Fix ChaCha20Poly1305 IVSize() (GH #724)

1 files changed, 5 insertions, 1 deletions

diff --git a/chachapoly.h b/chachapoly.h
index 31dc9659..0c03e392 100644
--- a/chachapoly.h
+++ b/chachapoly.h
@@ -53,7 +53,7 @@ public:
 	IV_Requirement IVRequirement() const

 		{return UNIQUE_IV;}

 	unsigned int IVSize() const

-		{return 16;}

+		{return 12;}

 	unsigned int MinIVLength() const

 		{return 12;}

 	unsigned int MaxIVLength() const

@@ -128,6 +128,10 @@ protected:
 /// \since Crypto++ 8.1

 class ChaCha20Poly1305_Final : public ChaCha20Poly1305_Base

 {

+public:

+	static std::string StaticAlgorithmName()

+		{return std::string("ChaCha20/Poly1305");}

+

 protected:

 	const SymmetricCipher & GetSymmetricCipher()

 		{return const_cast<ChaCha20Poly1305_Final *>(this)->AccessSymmetricCipher();}