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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
pull/815/head
Jeffrey Walton 2019-02-24 15:45:00 -05:00
parent 758939ab2e
commit 3183970300
No known key found for this signature in database
GPG Key ID: B36AB348921B1838
2 changed files with 36 additions and 0 deletions
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20
blake2.cpp
View File

@ -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)

16
blake2.h
View File

@ -256,8 +256,15 @@ public:
/// \brief Construct a BLAKE2s hash
/// \param digestSize the digest size, in bytes
/// \param treeMode flag indicating tree mode
/// \since Crypto++ 5.6.4
BLAKE2s(bool treeMode=false, unsigned int digestSize = DIGESTSIZE);
/// \brief Construct a BLAKE2s hash
/// \param digestSize the digest size, in bytes
/// \details treeMode flag is set to false
/// \since Crypto++ 8.2
BLAKE2s(unsigned int digestSize);
/// \brief Construct a BLAKE2s hash
/// \param key a byte array used to key the cipher
/// \param keyLength the size of the byte array
@ -267,6 +274,7 @@ public:
/// \param personalizationLength the size of the byte array
/// \param treeMode flag indicating tree mode
/// \param digestSize the digest size, in bytes
/// \since Crypto++ 5.6.4
BLAKE2s(const byte *key, size_t keyLength, const byte* salt = NULLPTR, size_t saltLength = 0,
const byte* personalization = NULLPTR, size_t personalizationLength = 0,
bool treeMode=false, unsigned int digestSize = DIGESTSIZE);
@ -355,8 +363,15 @@ public:
/// \brief Construct a BLAKE2b hash
/// \param digestSize the digest size, in bytes
/// \param treeMode flag indicating tree mode
/// \since Crypto++ 5.6.4
BLAKE2b(bool treeMode=false, unsigned int digestSize = DIGESTSIZE);
/// \brief Construct a BLAKE2s hash
/// \param digestSize the digest size, in bytes
/// \details treeMode flag is set to false
/// \since Crypto++ 8.2
BLAKE2b(unsigned int digestSize);
/// \brief Construct a BLAKE2b hash
/// \param key a byte array used to key the cipher
/// \param keyLength the size of the byte array
@ -366,6 +381,7 @@ public:
/// \param personalizationLength the size of the byte array
/// \param treeMode flag indicating tree mode
/// \param digestSize the digest size, in bytes
/// \since Crypto++ 5.6.4
BLAKE2b(const byte *key, size_t keyLength, const byte* salt = NULLPTR, size_t saltLength = 0,
const byte* personalization = NULLPTR, size_t personalizationLength = 0,
bool treeMode=false, unsigned int digestSize = DIGESTSIZE);