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Diffstat (limited to 'comm/third_party/botan/src/lib/kdf/sp800_108/sp800_108.h')
-rw-r--r-- | comm/third_party/botan/src/lib/kdf/sp800_108/sp800_108.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/kdf/sp800_108/sp800_108.h b/comm/third_party/botan/src/lib/kdf/sp800_108/sp800_108.h new file mode 100644 index 0000000000..46f734e8ea --- /dev/null +++ b/comm/third_party/botan/src/lib/kdf/sp800_108/sp800_108.h @@ -0,0 +1,135 @@ +/* +* 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> + +BOTAN_FUTURE_INTERNAL_HEADER(sp800_108.h) + +namespace Botan { + +/** + * NIST SP 800-108 KDF in Counter Mode (5.1) + */ +class BOTAN_PUBLIC_API(2,0) SP800_108_Counter final : 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()); } + + /** + * Derive a key using the SP800-108 KDF in Counter mode. + * + * The implementation hard codes the length of [L]_2 + * and [i]_2 (the value r) to 32 bits. + * + * @param key resulting keying material + * @param key_len the desired output length in bytes + * @param secret K_I + * @param secret_len size of K_I in bytes + * @param salt Context + * @param salt_len size of Context in bytes + * @param label Label + * @param label_len size of Label in bytes + * + * @throws Invalid_Argument key_len > 2^32 + */ + size_t kdf(uint8_t key[], size_t key_len, + const uint8_t secret[], size_t secret_len, + const uint8_t salt[], size_t salt_len, + const uint8_t label[], size_t label_len) const override; + + /** + * @param mac MAC algorithm to use + */ + explicit SP800_108_Counter(MessageAuthenticationCode* mac) : m_prf(mac) {} + private: + std::unique_ptr<MessageAuthenticationCode> m_prf; + }; + +/** + * NIST SP 800-108 KDF in Feedback Mode (5.2) + */ +class BOTAN_PUBLIC_API(2,0) SP800_108_Feedback final : 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()); } + + /** + * Derive a key using the SP800-108 KDF in Feedback mode. + * + * The implementation uses the optional counter i and hard + * codes the length of [L]_2 and [i]_2 (the value r) to 32 bits. + * + * @param key resulting keying material + * @param key_len the desired output length in bytes + * @param secret K_I + * @param secret_len size of K_I in bytes + * @param salt IV || Context + * @param salt_len size of Context plus IV in bytes + * @param label Label + * @param label_len size of Label in bytes + * + * @throws Invalid_Argument key_len > 2^32 + */ + size_t kdf(uint8_t key[], size_t key_len, + const uint8_t secret[], size_t secret_len, + const uint8_t salt[], size_t salt_len, + const uint8_t label[], size_t label_len) const override; + + explicit SP800_108_Feedback(MessageAuthenticationCode* mac) : m_prf(mac) {} + private: + std::unique_ptr<MessageAuthenticationCode> m_prf; + }; + +/** + * NIST SP 800-108 KDF in Double Pipeline Mode (5.3) + */ +class BOTAN_PUBLIC_API(2,0) SP800_108_Pipeline final : 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()); } + + /** + * Derive a key using the SP800-108 KDF in Double Pipeline mode. + * + * The implementation uses the optional counter i and hard + * codes the length of [L]_2 and [i]_2 (the value r) to 32 bits. + * + * @param key resulting keying material + * @param key_len the desired output length in bytes + * @param secret K_I + * @param secret_len size of K_I in bytes + * @param salt Context + * @param salt_len size of Context in bytes + * @param label Label + * @param label_len size of Label in bytes + * + * @throws Invalid_Argument key_len > 2^32 + */ + size_t kdf(uint8_t key[], size_t key_len, + const uint8_t secret[], size_t secret_len, + const uint8_t salt[], size_t salt_len, + const uint8_t label[], size_t label_len) const override; + + explicit SP800_108_Pipeline(MessageAuthenticationCode* mac) : m_prf(mac) {} + + private: + std::unique_ptr<MessageAuthenticationCode> m_prf; + }; + +} + +#endif |