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192 lines
5.2 KiB
192 lines
5.2 KiB
from __future__ import absolute_import, division, print_function
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import os
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import sys
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from cffi import FFI
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include_dirs = [os.path.join("extras", "libargon2", "include")]
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use_system_argon2 = os.environ.get("ARGON2_CFFI_USE_SYSTEM", "0") == "1"
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if use_system_argon2:
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include_dirs = []
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# Add vendored integer types headers.
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if "win32" in str(sys.platform).lower():
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int_base = os.path.join("extras", "msinttypes")
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inttypes = os.path.join(int_base, "inttypes")
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stdint = os.path.join(int_base, "stdint")
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vi = sys.version_info[0:2]
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if vi in [(2, 6), (2, 7)]:
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# VS 2008 needs both.
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include_dirs += [inttypes, stdint]
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elif vi in [(3, 3), (3, 4)]:
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# VS 2010 needs only inttypes.h
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include_dirs += [inttypes]
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ffi = FFI()
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ffi.set_source(
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"_ffi",
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"#include <argon2.h>",
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include_dirs=include_dirs,
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libraries=["argon2"],
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)
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ffi.cdef(
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"""\
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typedef enum Argon2_type {
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Argon2_d = ...,
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Argon2_i = ...,
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Argon2_id = ...,
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} argon2_type;
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typedef enum Argon2_version {
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ARGON2_VERSION_10 = ...,
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ARGON2_VERSION_13 = ...,
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ARGON2_VERSION_NUMBER = ...
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} argon2_version;
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int argon2_hash(const uint32_t t_cost, const uint32_t m_cost,
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const uint32_t parallelism, const void *pwd,
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const size_t pwdlen, const void *salt,
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const size_t saltlen, void *hash,
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const size_t hashlen, char *encoded,
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const size_t encodedlen, argon2_type type,
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const uint32_t version);
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int argon2_verify(const char *encoded, const void *pwd,
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const size_t pwdlen, argon2_type type);
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const char *argon2_error_message(int error_code);
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typedef int (*allocate_fptr)(uint8_t **memory, size_t bytes_to_allocate);
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typedef void (*deallocate_fptr)(uint8_t *memory, size_t bytes_to_allocate);
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typedef struct Argon2_Context {
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uint8_t *out; /* output array */
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uint32_t outlen; /* digest length */
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uint8_t *pwd; /* password array */
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uint32_t pwdlen; /* password length */
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uint8_t *salt; /* salt array */
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uint32_t saltlen; /* salt length */
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uint8_t *secret; /* key array */
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uint32_t secretlen; /* key length */
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uint8_t *ad; /* associated data array */
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uint32_t adlen; /* associated data length */
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uint32_t t_cost; /* number of passes */
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uint32_t m_cost; /* amount of memory requested (KB) */
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uint32_t lanes; /* number of lanes */
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uint32_t threads; /* maximum number of threads */
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uint32_t version; /* version number */
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allocate_fptr allocate_cbk; /* pointer to memory allocator */
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deallocate_fptr free_cbk; /* pointer to memory deallocator */
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uint32_t flags; /* array of bool options */
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} argon2_context;
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int argon2_ctx(argon2_context *context, argon2_type type);
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/* Error codes */
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typedef enum Argon2_ErrorCodes {
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ARGON2_OK = ...,
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ARGON2_OUTPUT_PTR_NULL = ...,
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ARGON2_OUTPUT_TOO_SHORT = ...,
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ARGON2_OUTPUT_TOO_LONG = ...,
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ARGON2_PWD_TOO_SHORT = ...,
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ARGON2_PWD_TOO_LONG = ...,
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ARGON2_SALT_TOO_SHORT = ...,
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ARGON2_SALT_TOO_LONG = ...,
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ARGON2_AD_TOO_SHORT = ...,
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ARGON2_AD_TOO_LONG = ...,
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ARGON2_SECRET_TOO_SHORT = ...,
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ARGON2_SECRET_TOO_LONG = ...,
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ARGON2_TIME_TOO_SMALL = ...,
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ARGON2_TIME_TOO_LARGE = ...,
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ARGON2_MEMORY_TOO_LITTLE = ...,
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ARGON2_MEMORY_TOO_MUCH = ...,
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ARGON2_LANES_TOO_FEW = ...,
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ARGON2_LANES_TOO_MANY = ...,
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ARGON2_PWD_PTR_MISMATCH = ..., /* NULL ptr with non-zero length */
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ARGON2_SALT_PTR_MISMATCH = ..., /* NULL ptr with non-zero length */
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ARGON2_SECRET_PTR_MISMATCH = ..., /* NULL ptr with non-zero length */
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ARGON2_AD_PTR_MISMATCH = ..., /* NULL ptr with non-zero length */
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ARGON2_MEMORY_ALLOCATION_ERROR = ...,
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ARGON2_FREE_MEMORY_CBK_NULL = ...,
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ARGON2_ALLOCATE_MEMORY_CBK_NULL = ...,
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ARGON2_INCORRECT_PARAMETER = ...,
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ARGON2_INCORRECT_TYPE = ...,
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ARGON2_OUT_PTR_MISMATCH = ...,
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ARGON2_THREADS_TOO_FEW = ...,
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ARGON2_THREADS_TOO_MANY = ...,
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ARGON2_MISSING_ARGS = ...,
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ARGON2_ENCODING_FAIL = ...,
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ARGON2_DECODING_FAIL = ...,
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ARGON2_THREAD_FAIL = ...,
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ARGON2_DECODING_LENGTH_FAIL= ...,
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ARGON2_VERIFY_MISMATCH = ...,
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} argon2_error_codes;
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#define ARGON2_FLAG_CLEAR_PASSWORD ...
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#define ARGON2_FLAG_CLEAR_SECRET ...
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#define ARGON2_DEFAULT_FLAGS ...
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#define ARGON2_MIN_LANES ...
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#define ARGON2_MAX_LANES ...
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#define ARGON2_MIN_THREADS ...
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#define ARGON2_MAX_THREADS ...
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#define ARGON2_SYNC_POINTS ...
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#define ARGON2_MIN_OUTLEN ...
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#define ARGON2_MAX_OUTLEN ...
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#define ARGON2_MIN_MEMORY ...
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#define ARGON2_MAX_MEMORY_BITS ...
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#define ARGON2_MAX_MEMORY ...
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#define ARGON2_MIN_TIME ...
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#define ARGON2_MAX_TIME ...
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#define ARGON2_MIN_PWD_LENGTH ...
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#define ARGON2_MAX_PWD_LENGTH ...
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#define ARGON2_MIN_AD_LENGTH ...
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#define ARGON2_MAX_AD_LENGTH ...
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#define ARGON2_MIN_SALT_LENGTH ...
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#define ARGON2_MAX_SALT_LENGTH ...
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#define ARGON2_MIN_SECRET ...
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#define ARGON2_MAX_SECRET ...
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uint32_t argon2_encodedlen(uint32_t t_cost, uint32_t m_cost,
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uint32_t parallelism, uint32_t saltlen,
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uint32_t hashlen, argon2_type type);
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"""
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)
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if __name__ == "__main__":
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ffi.compile()
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