Add missing BLAKE2 constructors

BLAKE2b and BLAKE2s are both missing a constructor that takes only the digest size. Also see https://groups.google.com/d/msg/cryptopp-users/QCFGYw8q3Yo/vpBCqz-vBgAJ

1 files changed, 20 insertions, 0 deletions

diff --git a/blake2.cpp b/blake2.cpp
index 7646eaa9..733082d7 100644
--- a/blake2.cpp
+++ b/blake2.cpp
@@ -343,6 +343,26 @@ BLAKE2b::BLAKE2b(bool treeMode, unsigned int digestSize)
         (Name::TreeMode(), treeMode));

 }

 

+BLAKE2s::BLAKE2s(unsigned int digestSize)

+    : m_digestSize(digestSize), m_keyLength(0), m_treeMode(false)

+{

+    CRYPTOPP_ASSERT(digestSize <= DIGESTSIZE);

+

+    UncheckedSetKey(NULLPTR, 0, MakeParameters

+        (Name::DigestSize(), (int)digestSize)

+        (Name::TreeMode(), false));

+}

+

+BLAKE2b::BLAKE2b(unsigned int digestSize)

+    : m_digestSize(digestSize), m_keyLength(0), m_treeMode(false)

+{

+    CRYPTOPP_ASSERT(digestSize <= DIGESTSIZE);

+

+    UncheckedSetKey(NULLPTR, 0, MakeParameters

+        (Name::DigestSize(), (int)digestSize)

+        (Name::TreeMode(), false));

+}

+

 BLAKE2s::BLAKE2s(const byte *key, size_t keyLength, const byte* salt, size_t saltLength,

     const byte* personalization, size_t personalizationLength, bool treeMode, unsigned int digestSize)

     : m_digestSize(digestSize), m_keyLength(static_cast<unsigned int>(keyLength)), m_treeMode(treeMode)