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include/argon2.h  view on Meta::CPAN

/*
 * Function that performs memory-hard hashing with certain degree of parallelism
 * @param  context  Pointer to the Argon2 internal structure
 * @return Error code if smth is wrong, ARGON2_OK otherwise
 */
ARGON2_PUBLIC int argon2_ctx(argon2_context *context, argon2_type type);

/**
 * Hashes a password with Argon2i, producing an encoded hash
 * @param t_cost Number of iterations
 * @param m_cost Sets memory usage to m_cost kibibytes
 * @param parallelism Number of threads and compute lanes
 * @param pwd Pointer to password
 * @param pwdlen Password size in bytes
 * @param salt Pointer to salt
 * @param saltlen Salt size in bytes
 * @param hashlen Desired length of the hash in bytes
 * @param encoded Buffer where to write the encoded hash
 * @param encodedlen Size of the buffer (thus max size of the encoded hash)
 * @pre   Different parallelism levels will give different results

include/argon2.h  view on Meta::CPAN

ARGON2_PUBLIC int argon2i_hash_encoded(const uint32_t t_cost,
                                       const uint32_t m_cost,
                                       const uint32_t parallelism,
                                       const void *pwd, const size_t pwdlen,
                                       const void *salt, const size_t saltlen,
                                       const size_t hashlen, char *encoded,
                                       const size_t encodedlen);

/**
 * Hashes a password with Argon2i, producing a raw hash at @hash
 * @param t_cost Number of iterations
 * @param m_cost Sets memory usage to m_cost kibibytes
 * @param parallelism Number of threads and compute lanes
 * @param pwd Pointer to password
 * @param pwdlen Password size in bytes
 * @param salt Pointer to salt
 * @param saltlen Salt size in bytes
 * @param hash Buffer where to write the raw hash - updated by the function
 * @param hashlen Desired length of the hash in bytes
 * @pre   Different parallelism levels will give different results
 * @pre   Returns ARGON2_OK if successful

include/argon2.h  view on Meta::CPAN

                                    argon2_type type);

/**
 * Get the associated error message for given error code
 * @return  The error message associated with the given error code
 */
ARGON2_PUBLIC const char *argon2_error_message(int error_code);

/**
 * Returns the encoded hash length for the given input parameters
 * @param t_cost  Number of iterations
 * @param m_cost  Memory usage in kibibytes
 * @param parallelism  Number of threads; used to compute lanes
 * @param saltlen  Salt size in bytes
 * @param hashlen  Hash size in bytes
 * @param type The argon2_type that we want the encoded length for
 * @return  The encoded hash length in bytes
 */
ARGON2_PUBLIC size_t argon2_encodedlen(uint32_t t_cost, uint32_t m_cost,
                                       uint32_t parallelism, uint32_t saltlen,
                                       uint32_t hashlen, argon2_type type);