first commit

.venv/Lib/site-packages/_argon2_cffi_bindings/__init__.py

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: MIT
+
+from ._ffi import ffi, lib
+
+
+__all__ = ["ffi", "lib"]

.venv/Lib/site-packages/_argon2_cffi_bindings/_ffi_build.py

@@ -0,0 +1,228 @@
+# SPDX-License-Identifier: MIT
+
+import os
+import platform
+
+from pathlib import Path
+
+from cffi import FFI
+
+
+use_system_argon2 = os.environ.get("ARGON2_CFFI_USE_SYSTEM", "0") == "1"
+use_sse2 = os.environ.get("ARGON2_CFFI_USE_SSE2", None)
+windows = platform.system() == "Windows"
+
+
+# Try to detect cross-compilation.
+def _get_target_platform(arch_flags, default):
+    flags = [f for f in arch_flags.split(" ") if f.strip() != ""]
+    try:
+        pos = flags.index("-arch")
+
+        return flags[pos + 1].lower()
+    except ValueError:
+        pass
+
+    return default
+
+
+target_platform = _get_target_platform(
+    os.environ.get("ARCHFLAGS", ""), platform.machine()
+)
+
+
+if use_sse2 == "1":
+    optimized = True
+elif use_sse2 == "0":
+    optimized = False
+else:
+    # Optimized version requires SSE2 extensions. They have been around since
+    # 2001 so we try to compile it on every recent-ish x86.
+    optimized = target_platform in ("i686", "x86", "x86_64", "AMD64")
+
+
+ffi = FFI()
+
+if use_system_argon2:
+    ffi.set_source(
+        "_ffi",
+        "#include <argon2.h>",
+        libraries=["argon2"],
+    )
+else:
+    lib_base = Path("extras") / "libargon2" / "src"
+    ffi.set_source(
+        "_ffi",
+        "#include <argon2.h>",
+        extra_compile_args=["-msse2"] if (optimized and not windows) else None,
+        include_dirs=[os.path.join("extras", "libargon2", "include")],
+        sources=[
+            str(lib_base / path)
+            for path in [
+                "argon2.c",
+                Path("blake2") / "blake2b.c",
+                "core.c",
+                "encoding.c",
+                "opt.c" if optimized else "ref.c",
+                "thread.c",
+            ]
+        ],
+    )
+
+
+ffi.cdef(
+    """\
+typedef enum Argon2_type {
+    Argon2_d = ...,
+    Argon2_i = ...,
+    Argon2_id = ...,
+} argon2_type;
+typedef enum Argon2_version {
+    ARGON2_VERSION_10 = ...,
+    ARGON2_VERSION_13 = ...,
+    ARGON2_VERSION_NUMBER = ...
+} argon2_version;
+
+int argon2_hash(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, void *hash,
+                const size_t hashlen, char *encoded,
+                const size_t encodedlen, argon2_type type,
+                const uint32_t version);
+
+int argon2_verify(const char *encoded, const void *pwd,
+                  const size_t pwdlen, argon2_type type);
+
+const char *argon2_error_message(int error_code);
+
+
+typedef int (*allocate_fptr)(uint8_t **memory, size_t bytes_to_allocate);
+typedef void (*deallocate_fptr)(uint8_t *memory, size_t bytes_to_allocate);
+
+typedef struct Argon2_Context {
+    uint8_t *out;    /* output array */
+    uint32_t outlen; /* digest length */
+
+    uint8_t *pwd;    /* password array */
+    uint32_t pwdlen; /* password length */
+
+    uint8_t *salt;    /* salt array */
+    uint32_t saltlen; /* salt length */
+
+    uint8_t *secret;    /* key array */
+    uint32_t secretlen; /* key length */
+
+    uint8_t *ad;    /* associated data array */
+    uint32_t adlen; /* associated data length */
+
+    uint32_t t_cost;  /* number of passes */
+    uint32_t m_cost;  /* amount of memory requested (KB) */
+    uint32_t lanes;   /* number of lanes */
+    uint32_t threads; /* maximum number of threads */
+
+    uint32_t version; /* version number */
+
+    allocate_fptr allocate_cbk; /* pointer to memory allocator */
+    deallocate_fptr free_cbk;   /* pointer to memory deallocator */
+
+    uint32_t flags; /* array of bool options */
+} argon2_context;
+
+int argon2_ctx(argon2_context *context, argon2_type type);
+
+/* Error codes */
+typedef enum Argon2_ErrorCodes {
+    ARGON2_OK = ...,
+
+    ARGON2_OUTPUT_PTR_NULL = ...,
+
+    ARGON2_OUTPUT_TOO_SHORT = ...,
+    ARGON2_OUTPUT_TOO_LONG = ...,
+
+    ARGON2_PWD_TOO_SHORT = ...,
+    ARGON2_PWD_TOO_LONG = ...,
+
+    ARGON2_SALT_TOO_SHORT = ...,
+    ARGON2_SALT_TOO_LONG = ...,
+
+    ARGON2_AD_TOO_SHORT = ...,
+    ARGON2_AD_TOO_LONG = ...,
+
+    ARGON2_SECRET_TOO_SHORT = ...,
+    ARGON2_SECRET_TOO_LONG = ...,
+
+    ARGON2_TIME_TOO_SMALL = ...,
+    ARGON2_TIME_TOO_LARGE = ...,
+
+    ARGON2_MEMORY_TOO_LITTLE = ...,
+    ARGON2_MEMORY_TOO_MUCH = ...,
+
+    ARGON2_LANES_TOO_FEW = ...,
+    ARGON2_LANES_TOO_MANY = ...,
+
+    ARGON2_PWD_PTR_MISMATCH = ...,    /* NULL ptr with non-zero length */
+    ARGON2_SALT_PTR_MISMATCH = ...,   /* NULL ptr with non-zero length */
+    ARGON2_SECRET_PTR_MISMATCH = ..., /* NULL ptr with non-zero length */
+    ARGON2_AD_PTR_MISMATCH = ...,     /* NULL ptr with non-zero length */
+
+    ARGON2_MEMORY_ALLOCATION_ERROR = ...,
+
+    ARGON2_FREE_MEMORY_CBK_NULL = ...,
+    ARGON2_ALLOCATE_MEMORY_CBK_NULL = ...,
+
+    ARGON2_INCORRECT_PARAMETER = ...,
+    ARGON2_INCORRECT_TYPE = ...,
+
+    ARGON2_OUT_PTR_MISMATCH = ...,
+
+    ARGON2_THREADS_TOO_FEW = ...,
+    ARGON2_THREADS_TOO_MANY = ...,
+
+    ARGON2_MISSING_ARGS = ...,
+
+    ARGON2_ENCODING_FAIL = ...,
+
+    ARGON2_DECODING_FAIL = ...,
+
+    ARGON2_THREAD_FAIL = ...,
+
+    ARGON2_DECODING_LENGTH_FAIL= ...,
+
+    ARGON2_VERIFY_MISMATCH = ...,
+} argon2_error_codes;
+
+#define ARGON2_FLAG_CLEAR_PASSWORD ...
+#define ARGON2_FLAG_CLEAR_SECRET ...
+#define ARGON2_DEFAULT_FLAGS ...
+
+#define ARGON2_MIN_LANES ...
+#define ARGON2_MAX_LANES ...
+#define ARGON2_MIN_THREADS ...
+#define ARGON2_MAX_THREADS  ...
+#define ARGON2_SYNC_POINTS  ...
+#define ARGON2_MIN_OUTLEN ...
+#define ARGON2_MAX_OUTLEN ...
+#define ARGON2_MIN_MEMORY ...
+#define ARGON2_MAX_MEMORY_BITS ...
+#define ARGON2_MAX_MEMORY ...
+#define ARGON2_MIN_TIME ...
+#define ARGON2_MAX_TIME ...
+#define ARGON2_MIN_PWD_LENGTH ...
+#define ARGON2_MAX_PWD_LENGTH ...
+#define ARGON2_MIN_AD_LENGTH ...
+#define ARGON2_MAX_AD_LENGTH ...
+#define ARGON2_MIN_SALT_LENGTH ...
+#define ARGON2_MAX_SALT_LENGTH ...
+#define ARGON2_MIN_SECRET ...
+#define ARGON2_MAX_SECRET ...
+
+uint32_t argon2_encodedlen(uint32_t t_cost, uint32_t m_cost,
+                           uint32_t parallelism, uint32_t saltlen,
+                           uint32_t hashlen, argon2_type type);
+
+"""
+)
+
+if __name__ == "__main__":
+    ffi.compile()