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Diffstat (limited to 'src/lib/kdf/sp800_108/sp800_108.h')
-rw-r--r-- | src/lib/kdf/sp800_108/sp800_108.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/lib/kdf/sp800_108/sp800_108.h b/src/lib/kdf/sp800_108/sp800_108.h new file mode 100644 index 000000000..0acdfacf9 --- /dev/null +++ b/src/lib/kdf/sp800_108/sp800_108.h @@ -0,0 +1,81 @@ +/* +* KDFs defined in NIST SP 800-108 +* (C) 2016 Kai Michaelis +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_SP800_108_H__ +#define BOTAN_SP800_108_H__ + +#include <botan/kdf.h> +#include <botan/mac.h> + +namespace Botan { + +/** + * NIST SP 800-108 KDF in Counter Mode (5.1) + */ +class BOTAN_DLL SP800_108_Counter : public KDF + { + public: + std::string name() const override { return "SP800-108-Counter(" + m_prf->name() + ")"; } + + KDF* clone() const override { return new SP800_108_Counter(m_prf->clone()); } + + size_t kdf(byte key[], size_t key_len, + const byte secret[], size_t secret_len, + const byte salt[], size_t salt_len) const override; + + SP800_108_Counter(MessageAuthenticationCode* mac) : m_prf(mac) {} + + static SP800_108_Counter* make(const Spec& spec); + private: + std::unique_ptr<MessageAuthenticationCode> m_prf; + }; + +/** + * NIST SP 800-108 KDF in Feedback Mode (5.2) + */ +class BOTAN_DLL SP800_108_Feedback : public KDF + { + public: + std::string name() const override { return "SP800-108-Feedback(" + m_prf->name() + ")"; } + + KDF* clone() const override { return new SP800_108_Feedback(m_prf->clone()); } + + size_t kdf(byte key[], size_t key_len, + const byte secret[], size_t secret_len, + const byte salt[], size_t salt_len) const override; + + SP800_108_Feedback(MessageAuthenticationCode* mac) : m_prf(mac) {} + + static SP800_108_Feedback* make(const Spec& spec); + private: + std::unique_ptr<MessageAuthenticationCode> m_prf; + }; + +/** + * NIST SP 800-108 KDF in Double Pipeline Mode (5.3) + */ +class BOTAN_DLL SP800_108_Pipeline : public KDF + { + public: + std::string name() const override { return "SP800-108-Pipeline(" + m_prf->name() + ")"; } + + KDF* clone() const override { return new SP800_108_Pipeline(m_prf->clone()); } + + size_t kdf(byte key[], size_t key_len, + const byte secret[], size_t secret_len, + const byte salt[], size_t salt_len) const override; + + SP800_108_Pipeline(MessageAuthenticationCode* mac) : m_prf(mac) {} + + static SP800_108_Pipeline* make(const Spec& spec); + private: + std::unique_ptr<MessageAuthenticationCode> m_prf; + }; + +} + +#endif |