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Diffstat (limited to 'src/libs/3rdparty/botan/src/lib/pbkdf/pbkdf.h')
| -rw-r--r-- | src/libs/3rdparty/botan/src/lib/pbkdf/pbkdf.h | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/pbkdf/pbkdf.h b/src/libs/3rdparty/botan/src/lib/pbkdf/pbkdf.h deleted file mode 100644 index e7f0a84eec..0000000000 --- a/src/libs/3rdparty/botan/src/lib/pbkdf/pbkdf.h +++ /dev/null @@ -1,246 +0,0 @@ -/* -* PBKDF -* (C) 1999-2007,2012,2015 Jack Lloyd -* -* Botan is released under the Simplified BSD License (see license.txt) -*/ - -#ifndef BOTAN_PBKDF_H_ -#define BOTAN_PBKDF_H_ - -#include <botan/symkey.h> -#include <chrono> - -namespace Botan { - -/** -* Base class for PBKDF (password based key derivation function) -* implementations. Converts a password into a key using a salt -* and iterated hashing to make brute force attacks harder. -* -* Starting in 2.8 this functionality is also offered by PasswordHash. -* The PBKDF interface may be removed in a future release. -*/ -class BOTAN_PUBLIC_API(2,0) PBKDF - { - public: - /** - * Create an instance based on a name - * If provider is empty then best available is chosen. - * @param algo_spec algorithm name - * @param provider provider implementation to choose - * @return a null pointer if the algo/provider combination cannot be found - */ - static std::unique_ptr<PBKDF> create(const std::string& algo_spec, - const std::string& provider = ""); - - /** - * Create an instance based on a name, or throw if the - * algo/provider combination cannot be found. If provider is - * empty then best available is chosen. - */ - static std::unique_ptr<PBKDF> - create_or_throw(const std::string& algo_spec, - const std::string& provider = ""); - - /** - * @return list of available providers for this algorithm, empty if not available - */ - static std::vector<std::string> providers(const std::string& algo_spec); - - /** - * @return new instance of this same algorithm - */ - virtual PBKDF* clone() const = 0; - - /** - * @return name of this PBKDF - */ - virtual std::string name() const = 0; - - virtual ~PBKDF() = default; - - /** - * Derive a key from a passphrase for a number of iterations - * specified by either iterations or if iterations == 0 then - * running until msec time has elapsed. - * - * @param out buffer to store the derived key, must be of out_len bytes - * @param out_len the desired length of the key to produce - * @param passphrase the password to derive the key from - * @param salt a randomly chosen salt - * @param salt_len length of salt in bytes - * @param iterations the number of iterations to use (use 10K or more) - * @param msec if iterations is zero, then instead the PBKDF is - * run until msec milliseconds has passed. - * @return the number of iterations performed - */ - virtual size_t pbkdf(uint8_t out[], size_t out_len, - const std::string& passphrase, - const uint8_t salt[], size_t salt_len, - size_t iterations, - std::chrono::milliseconds msec) const = 0; - - /** - * Derive a key from a passphrase for a number of iterations. - * - * @param out buffer to store the derived key, must be of out_len bytes - * @param out_len the desired length of the key to produce - * @param passphrase the password to derive the key from - * @param salt a randomly chosen salt - * @param salt_len length of salt in bytes - * @param iterations the number of iterations to use (use 10K or more) - */ - void pbkdf_iterations(uint8_t out[], size_t out_len, - const std::string& passphrase, - const uint8_t salt[], size_t salt_len, - size_t iterations) const; - - /** - * Derive a key from a passphrase, running until msec time has elapsed. - * - * @param out buffer to store the derived key, must be of out_len bytes - * @param out_len the desired length of the key to produce - * @param passphrase the password to derive the key from - * @param salt a randomly chosen salt - * @param salt_len length of salt in bytes - * @param msec if iterations is zero, then instead the PBKDF is - * run until msec milliseconds has passed. - * @param iterations set to the number iterations executed - */ - void pbkdf_timed(uint8_t out[], size_t out_len, - const std::string& passphrase, - const uint8_t salt[], size_t salt_len, - std::chrono::milliseconds msec, - size_t& iterations) const; - - /** - * Derive a key from a passphrase for a number of iterations. - * - * @param out_len the desired length of the key to produce - * @param passphrase the password to derive the key from - * @param salt a randomly chosen salt - * @param salt_len length of salt in bytes - * @param iterations the number of iterations to use (use 10K or more) - * @return the derived key - */ - secure_vector<uint8_t> pbkdf_iterations(size_t out_len, - const std::string& passphrase, - const uint8_t salt[], size_t salt_len, - size_t iterations) const; - - /** - * Derive a key from a passphrase, running until msec time has elapsed. - * - * @param out_len the desired length of the key to produce - * @param passphrase the password to derive the key from - * @param salt a randomly chosen salt - * @param salt_len length of salt in bytes - * @param msec if iterations is zero, then instead the PBKDF is - * run until msec milliseconds has passed. - * @param iterations set to the number iterations executed - * @return the derived key - */ - secure_vector<uint8_t> pbkdf_timed(size_t out_len, - const std::string& passphrase, - const uint8_t salt[], size_t salt_len, - std::chrono::milliseconds msec, - size_t& iterations) const; - - // Following kept for compat with 1.10: - - /** - * Derive a key from a passphrase - * @param out_len the desired length of the key to produce - * @param passphrase the password to derive the key from - * @param salt a randomly chosen salt - * @param salt_len length of salt in bytes - * @param iterations the number of iterations to use (use 10K or more) - */ - OctetString derive_key(size_t out_len, - const std::string& passphrase, - const uint8_t salt[], size_t salt_len, - size_t iterations) const - { - return pbkdf_iterations(out_len, passphrase, salt, salt_len, iterations); - } - - /** - * Derive a key from a passphrase - * @param out_len the desired length of the key to produce - * @param passphrase the password to derive the key from - * @param salt a randomly chosen salt - * @param iterations the number of iterations to use (use 10K or more) - */ - template<typename Alloc> - OctetString derive_key(size_t out_len, - const std::string& passphrase, - const std::vector<uint8_t, Alloc>& salt, - size_t iterations) const - { - return pbkdf_iterations(out_len, passphrase, salt.data(), salt.size(), iterations); - } - - /** - * Derive a key from a passphrase - * @param out_len the desired length of the key to produce - * @param passphrase the password to derive the key from - * @param salt a randomly chosen salt - * @param salt_len length of salt in bytes - * @param msec is how long to run the PBKDF - * @param iterations is set to the number of iterations used - */ - OctetString derive_key(size_t out_len, - const std::string& passphrase, - const uint8_t salt[], size_t salt_len, - std::chrono::milliseconds msec, - size_t& iterations) const - { - return pbkdf_timed(out_len, passphrase, salt, salt_len, msec, iterations); - } - - /** - * Derive a key from a passphrase using a certain amount of time - * @param out_len the desired length of the key to produce - * @param passphrase the password to derive the key from - * @param salt a randomly chosen salt - * @param msec is how long to run the PBKDF - * @param iterations is set to the number of iterations used - */ - template<typename Alloc> - OctetString derive_key(size_t out_len, - const std::string& passphrase, - const std::vector<uint8_t, Alloc>& salt, - std::chrono::milliseconds msec, - size_t& iterations) const - { - return pbkdf_timed(out_len, passphrase, salt.data(), salt.size(), msec, iterations); - } - }; - -/* -* Compatibility typedef -*/ -typedef PBKDF S2K; - -/** -* Password based key derivation function factory method -* @param algo_spec the name of the desired PBKDF algorithm -* @param provider the provider to use -* @return pointer to newly allocated object of that type -*/ -inline PBKDF* get_pbkdf(const std::string& algo_spec, - const std::string& provider = "") - { - return PBKDF::create_or_throw(algo_spec, provider).release(); - } - -inline PBKDF* get_s2k(const std::string& algo_spec) - { - return get_pbkdf(algo_spec); - } - - -} - -#endif |