diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/pbkdf/bcrypt_pbkdf/bcrypt_pbkdf.h')
-rw-r--r-- | comm/third_party/botan/src/lib/pbkdf/bcrypt_pbkdf/bcrypt_pbkdf.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/pbkdf/bcrypt_pbkdf/bcrypt_pbkdf.h b/comm/third_party/botan/src/lib/pbkdf/bcrypt_pbkdf/bcrypt_pbkdf.h new file mode 100644 index 0000000000..0d459e8dbc --- /dev/null +++ b/comm/third_party/botan/src/lib/pbkdf/bcrypt_pbkdf/bcrypt_pbkdf.h @@ -0,0 +1,77 @@ +/* +* (C) 2018,2019 Jack Lloyd +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_PBKDF_BCRYPT_H_ +#define BOTAN_PBKDF_BCRYPT_H_ + +#include <botan/pwdhash.h> + +BOTAN_FUTURE_INTERNAL_HEADER(bcrypt_pbkdf.h) + +namespace Botan { + +/** +* Bcrypt-PBKDF key derivation function +*/ +class BOTAN_PUBLIC_API(2,11) Bcrypt_PBKDF final : public PasswordHash + { + public: + Bcrypt_PBKDF(size_t iterations) : m_iterations(iterations) {} + + Bcrypt_PBKDF(const Bcrypt_PBKDF& other) = default; + Bcrypt_PBKDF& operator=(const Bcrypt_PBKDF&) = default; + + /** + * Derive a new key under the current Bcrypt-PBKDF parameter set + */ + void derive_key(uint8_t out[], size_t out_len, + const char* password, size_t password_len, + const uint8_t salt[], size_t salt_len) const override; + + std::string to_string() const override; + + size_t iterations() const override { return m_iterations; } + + size_t parallelism() const override { return 0; } + + size_t memory_param() const override { return 0; } + + size_t total_memory_usage() const override { return 4096; } + + private: + size_t m_iterations; + }; + +class BOTAN_PUBLIC_API(2,11) Bcrypt_PBKDF_Family final : public PasswordHashFamily + { + public: + Bcrypt_PBKDF_Family() {} + + std::string name() const override; + + std::unique_ptr<PasswordHash> tune(size_t output_length, + std::chrono::milliseconds msec, + size_t max_memory) const override; + + std::unique_ptr<PasswordHash> default_params() const override; + + std::unique_ptr<PasswordHash> from_iterations(size_t iter) const override; + + std::unique_ptr<PasswordHash> from_params( + size_t i, size_t, size_t) const override; + }; + +/** +* Bcrypt PBKDF compatible with OpenBSD bcrypt_pbkdf +*/ +void BOTAN_UNSTABLE_API bcrypt_pbkdf(uint8_t output[], size_t output_len, + const char* pass, size_t pass_len, + const uint8_t salt[], size_t salt_len, + size_t rounds); + +} + +#endif |