X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=AppPkg%2FApplications%2FPython%2FPython-2.7.10%2FModules%2Fsha256module.c;fp=AppPkg%2FApplications%2FPython%2FPython-2.7.10%2FModules%2Fsha256module.c;h=0000000000000000000000000000000000000000;hp=9fe72f9fbafad6c77e7d311546520fd5fbcef87d;hb=964f432b9b0afe103c41c7613fade3e699118afe;hpb=e2d3a25f1a3135221a9c8061e1b8f90245d727eb diff --git a/AppPkg/Applications/Python/Python-2.7.10/Modules/sha256module.c b/AppPkg/Applications/Python/Python-2.7.10/Modules/sha256module.c deleted file mode 100644 index 9fe72f9fba..0000000000 --- a/AppPkg/Applications/Python/Python-2.7.10/Modules/sha256module.c +++ /dev/null @@ -1,706 +0,0 @@ -/* SHA256 module */ - -/* This module provides an interface to NIST's SHA-256 and SHA-224 Algorithms */ - -/* See below for information about the original code this module was - based upon. Additional work performed by: - - Andrew Kuchling (amk@amk.ca) - Greg Stein (gstein@lyra.org) - Trevor Perrin (trevp@trevp.net) - - Copyright (C) 2005 Gregory P. Smith (greg@krypto.org) - Licensed to PSF under a Contributor Agreement. - -*/ - -/* SHA objects */ - -#include "Python.h" -#include "structmember.h" - - -/* Endianness testing and definitions */ -#define TestEndianness(variable) {int i=1; variable=PCT_BIG_ENDIAN;\ - if (*((char*)&i)==1) variable=PCT_LITTLE_ENDIAN;} - -#define PCT_LITTLE_ENDIAN 1 -#define PCT_BIG_ENDIAN 0 - -/* Some useful types */ - -typedef unsigned char SHA_BYTE; - -#if SIZEOF_INT == 4 -typedef unsigned int SHA_INT32; /* 32-bit integer */ -#else -/* not defined. compilation will die. */ -#endif - -/* The SHA block size and message digest sizes, in bytes */ - -#define SHA_BLOCKSIZE 64 -#define SHA_DIGESTSIZE 32 - -/* The structure for storing SHA info */ - -typedef struct { - PyObject_HEAD - SHA_INT32 digest[8]; /* Message digest */ - SHA_INT32 count_lo, count_hi; /* 64-bit bit count */ - SHA_BYTE data[SHA_BLOCKSIZE]; /* SHA data buffer */ - int Endianness; - int local; /* unprocessed amount in data */ - int digestsize; -} SHAobject; - -/* When run on a little-endian CPU we need to perform byte reversal on an - array of longwords. */ - -static void longReverse(SHA_INT32 *buffer, int byteCount, int Endianness) -{ - SHA_INT32 value; - - if ( Endianness == PCT_BIG_ENDIAN ) - return; - - byteCount /= sizeof(*buffer); - while (byteCount--) { - value = *buffer; - value = ( ( value & 0xFF00FF00L ) >> 8 ) | \ - ( ( value & 0x00FF00FFL ) << 8 ); - *buffer++ = ( value << 16 ) | ( value >> 16 ); - } -} - -static void SHAcopy(SHAobject *src, SHAobject *dest) -{ - dest->Endianness = src->Endianness; - dest->local = src->local; - dest->digestsize = src->digestsize; - dest->count_lo = src->count_lo; - dest->count_hi = src->count_hi; - memcpy(dest->digest, src->digest, sizeof(src->digest)); - memcpy(dest->data, src->data, sizeof(src->data)); -} - - -/* ------------------------------------------------------------------------ - * - * This code for the SHA-256 algorithm was noted as public domain. The - * original headers are pasted below. - * - * Several changes have been made to make it more compatible with the - * Python environment and desired interface. - * - */ - -/* LibTomCrypt, modular cryptographic library -- Tom St Denis - * - * LibTomCrypt is a library that provides various cryptographic - * algorithms in a highly modular and flexible manner. - * - * The library is free for all purposes without any express - * gurantee it works. - * - * Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org - */ - - -/* SHA256 by Tom St Denis */ - -/* Various logical functions */ -#define ROR(x, y)\ -( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | \ -((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL) -#define Ch(x,y,z) (z ^ (x & (y ^ z))) -#define Maj(x,y,z) (((x | y) & z) | (x & y)) -#define S(x, n) ROR((x),(n)) -#define R(x, n) (((x)&0xFFFFFFFFUL)>>(n)) -#define Sigma0(x) (S(x, 2) ^ S(x, 13) ^ S(x, 22)) -#define Sigma1(x) (S(x, 6) ^ S(x, 11) ^ S(x, 25)) -#define Gamma0(x) (S(x, 7) ^ S(x, 18) ^ R(x, 3)) -#define Gamma1(x) (S(x, 17) ^ S(x, 19) ^ R(x, 10)) - - -static void -sha_transform(SHAobject *sha_info) -{ - int i; - SHA_INT32 S[8], W[64], t0, t1; - - memcpy(W, sha_info->data, sizeof(sha_info->data)); - longReverse(W, (int)sizeof(sha_info->data), sha_info->Endianness); - - for (i = 16; i < 64; ++i) { - W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16]; - } - for (i = 0; i < 8; ++i) { - S[i] = sha_info->digest[i]; - } - - /* Compress */ -#define RND(a,b,c,d,e,f,g,h,i,ki) \ - t0 = h + Sigma1(e) + Ch(e, f, g) + ki + W[i]; \ - t1 = Sigma0(a) + Maj(a, b, c); \ - d += t0; \ - h = t0 + t1; - - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],0,0x428a2f98); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],1,0x71374491); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],2,0xb5c0fbcf); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],3,0xe9b5dba5); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],4,0x3956c25b); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],5,0x59f111f1); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],6,0x923f82a4); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],7,0xab1c5ed5); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],8,0xd807aa98); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],9,0x12835b01); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],10,0x243185be); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],11,0x550c7dc3); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],12,0x72be5d74); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],13,0x80deb1fe); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],14,0x9bdc06a7); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],15,0xc19bf174); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],16,0xe49b69c1); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],17,0xefbe4786); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],18,0x0fc19dc6); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],19,0x240ca1cc); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],20,0x2de92c6f); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],21,0x4a7484aa); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],22,0x5cb0a9dc); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],23,0x76f988da); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],24,0x983e5152); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],25,0xa831c66d); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],26,0xb00327c8); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],27,0xbf597fc7); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],28,0xc6e00bf3); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],29,0xd5a79147); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],30,0x06ca6351); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],31,0x14292967); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],32,0x27b70a85); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],33,0x2e1b2138); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],34,0x4d2c6dfc); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],35,0x53380d13); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],36,0x650a7354); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],37,0x766a0abb); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],38,0x81c2c92e); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],39,0x92722c85); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],40,0xa2bfe8a1); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],41,0xa81a664b); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],42,0xc24b8b70); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],43,0xc76c51a3); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],44,0xd192e819); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],45,0xd6990624); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],46,0xf40e3585); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],47,0x106aa070); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],48,0x19a4c116); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],49,0x1e376c08); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],50,0x2748774c); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],51,0x34b0bcb5); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],52,0x391c0cb3); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],53,0x4ed8aa4a); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],54,0x5b9cca4f); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],55,0x682e6ff3); - RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],56,0x748f82ee); - RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],57,0x78a5636f); - RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],58,0x84c87814); - RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],59,0x8cc70208); - RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],60,0x90befffa); - RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],61,0xa4506ceb); - RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],62,0xbef9a3f7); - RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],63,0xc67178f2); - -#undef RND - - /* feedback */ - for (i = 0; i < 8; i++) { - sha_info->digest[i] = sha_info->digest[i] + S[i]; - } - -} - - - -/* initialize the SHA digest */ - -static void -sha_init(SHAobject *sha_info) -{ - TestEndianness(sha_info->Endianness) - sha_info->digest[0] = 0x6A09E667L; - sha_info->digest[1] = 0xBB67AE85L; - sha_info->digest[2] = 0x3C6EF372L; - sha_info->digest[3] = 0xA54FF53AL; - sha_info->digest[4] = 0x510E527FL; - sha_info->digest[5] = 0x9B05688CL; - sha_info->digest[6] = 0x1F83D9ABL; - sha_info->digest[7] = 0x5BE0CD19L; - sha_info->count_lo = 0L; - sha_info->count_hi = 0L; - sha_info->local = 0; - sha_info->digestsize = 32; -} - -static void -sha224_init(SHAobject *sha_info) -{ - TestEndianness(sha_info->Endianness) - sha_info->digest[0] = 0xc1059ed8L; - sha_info->digest[1] = 0x367cd507L; - sha_info->digest[2] = 0x3070dd17L; - sha_info->digest[3] = 0xf70e5939L; - sha_info->digest[4] = 0xffc00b31L; - sha_info->digest[5] = 0x68581511L; - sha_info->digest[6] = 0x64f98fa7L; - sha_info->digest[7] = 0xbefa4fa4L; - sha_info->count_lo = 0L; - sha_info->count_hi = 0L; - sha_info->local = 0; - sha_info->digestsize = 28; -} - - -/* update the SHA digest */ - -static void -sha_update(SHAobject *sha_info, SHA_BYTE *buffer, int count) -{ - int i; - SHA_INT32 clo; - - clo = sha_info->count_lo + ((SHA_INT32) count << 3); - if (clo < sha_info->count_lo) { - ++sha_info->count_hi; - } - sha_info->count_lo = clo; - sha_info->count_hi += (SHA_INT32) count >> 29; - if (sha_info->local) { - i = SHA_BLOCKSIZE - sha_info->local; - if (i > count) { - i = count; - } - memcpy(((SHA_BYTE *) sha_info->data) + sha_info->local, buffer, i); - count -= i; - buffer += i; - sha_info->local += i; - if (sha_info->local == SHA_BLOCKSIZE) { - sha_transform(sha_info); - } - else { - return; - } - } - while (count >= SHA_BLOCKSIZE) { - memcpy(sha_info->data, buffer, SHA_BLOCKSIZE); - buffer += SHA_BLOCKSIZE; - count -= SHA_BLOCKSIZE; - sha_transform(sha_info); - } - memcpy(sha_info->data, buffer, count); - sha_info->local = count; -} - -/* finish computing the SHA digest */ - -static void -sha_final(unsigned char digest[SHA_DIGESTSIZE], SHAobject *sha_info) -{ - int count; - SHA_INT32 lo_bit_count, hi_bit_count; - - lo_bit_count = sha_info->count_lo; - hi_bit_count = sha_info->count_hi; - count = (int) ((lo_bit_count >> 3) & 0x3f); - ((SHA_BYTE *) sha_info->data)[count++] = 0x80; - if (count > SHA_BLOCKSIZE - 8) { - memset(((SHA_BYTE *) sha_info->data) + count, 0, - SHA_BLOCKSIZE - count); - sha_transform(sha_info); - memset((SHA_BYTE *) sha_info->data, 0, SHA_BLOCKSIZE - 8); - } - else { - memset(((SHA_BYTE *) sha_info->data) + count, 0, - SHA_BLOCKSIZE - 8 - count); - } - - /* GJS: note that we add the hi/lo in big-endian. sha_transform will - swap these values into host-order. */ - sha_info->data[56] = (hi_bit_count >> 24) & 0xff; - sha_info->data[57] = (hi_bit_count >> 16) & 0xff; - sha_info->data[58] = (hi_bit_count >> 8) & 0xff; - sha_info->data[59] = (hi_bit_count >> 0) & 0xff; - sha_info->data[60] = (lo_bit_count >> 24) & 0xff; - sha_info->data[61] = (lo_bit_count >> 16) & 0xff; - sha_info->data[62] = (lo_bit_count >> 8) & 0xff; - sha_info->data[63] = (lo_bit_count >> 0) & 0xff; - sha_transform(sha_info); - digest[ 0] = (unsigned char) ((sha_info->digest[0] >> 24) & 0xff); - digest[ 1] = (unsigned char) ((sha_info->digest[0] >> 16) & 0xff); - digest[ 2] = (unsigned char) ((sha_info->digest[0] >> 8) & 0xff); - digest[ 3] = (unsigned char) ((sha_info->digest[0] ) & 0xff); - digest[ 4] = (unsigned char) ((sha_info->digest[1] >> 24) & 0xff); - digest[ 5] = (unsigned char) ((sha_info->digest[1] >> 16) & 0xff); - digest[ 6] = (unsigned char) ((sha_info->digest[1] >> 8) & 0xff); - digest[ 7] = (unsigned char) ((sha_info->digest[1] ) & 0xff); - digest[ 8] = (unsigned char) ((sha_info->digest[2] >> 24) & 0xff); - digest[ 9] = (unsigned char) ((sha_info->digest[2] >> 16) & 0xff); - digest[10] = (unsigned char) ((sha_info->digest[2] >> 8) & 0xff); - digest[11] = (unsigned char) ((sha_info->digest[2] ) & 0xff); - digest[12] = (unsigned char) ((sha_info->digest[3] >> 24) & 0xff); - digest[13] = (unsigned char) ((sha_info->digest[3] >> 16) & 0xff); - digest[14] = (unsigned char) ((sha_info->digest[3] >> 8) & 0xff); - digest[15] = (unsigned char) ((sha_info->digest[3] ) & 0xff); - digest[16] = (unsigned char) ((sha_info->digest[4] >> 24) & 0xff); - digest[17] = (unsigned char) ((sha_info->digest[4] >> 16) & 0xff); - digest[18] = (unsigned char) ((sha_info->digest[4] >> 8) & 0xff); - digest[19] = (unsigned char) ((sha_info->digest[4] ) & 0xff); - digest[20] = (unsigned char) ((sha_info->digest[5] >> 24) & 0xff); - digest[21] = (unsigned char) ((sha_info->digest[5] >> 16) & 0xff); - digest[22] = (unsigned char) ((sha_info->digest[5] >> 8) & 0xff); - digest[23] = (unsigned char) ((sha_info->digest[5] ) & 0xff); - digest[24] = (unsigned char) ((sha_info->digest[6] >> 24) & 0xff); - digest[25] = (unsigned char) ((sha_info->digest[6] >> 16) & 0xff); - digest[26] = (unsigned char) ((sha_info->digest[6] >> 8) & 0xff); - digest[27] = (unsigned char) ((sha_info->digest[6] ) & 0xff); - digest[28] = (unsigned char) ((sha_info->digest[7] >> 24) & 0xff); - digest[29] = (unsigned char) ((sha_info->digest[7] >> 16) & 0xff); - digest[30] = (unsigned char) ((sha_info->digest[7] >> 8) & 0xff); - digest[31] = (unsigned char) ((sha_info->digest[7] ) & 0xff); -} - -/* - * End of copied SHA code. - * - * ------------------------------------------------------------------------ - */ - -static PyTypeObject SHA224type; -static PyTypeObject SHA256type; - - -static SHAobject * -newSHA224object(void) -{ - return (SHAobject *)PyObject_New(SHAobject, &SHA224type); -} - -static SHAobject * -newSHA256object(void) -{ - return (SHAobject *)PyObject_New(SHAobject, &SHA256type); -} - -/* Internal methods for a hash object */ - -static void -SHA_dealloc(PyObject *ptr) -{ - PyObject_Del(ptr); -} - - -/* External methods for a hash object */ - -PyDoc_STRVAR(SHA256_copy__doc__, "Return a copy of the hash object."); - -static PyObject * -SHA256_copy(SHAobject *self, PyObject *unused) -{ - SHAobject *newobj; - - if (Py_TYPE(self) == &SHA256type) { - if ( (newobj = newSHA256object())==NULL) - return NULL; - } else { - if ( (newobj = newSHA224object())==NULL) - return NULL; - } - - SHAcopy(self, newobj); - return (PyObject *)newobj; -} - -PyDoc_STRVAR(SHA256_digest__doc__, -"Return the digest value as a string of binary data."); - -static PyObject * -SHA256_digest(SHAobject *self, PyObject *unused) -{ - unsigned char digest[SHA_DIGESTSIZE]; - SHAobject temp; - - SHAcopy(self, &temp); - sha_final(digest, &temp); - return PyString_FromStringAndSize((const char *)digest, self->digestsize); -} - -PyDoc_STRVAR(SHA256_hexdigest__doc__, -"Return the digest value as a string of hexadecimal digits."); - -static PyObject * -SHA256_hexdigest(SHAobject *self, PyObject *unused) -{ - unsigned char digest[SHA_DIGESTSIZE]; - SHAobject temp; - PyObject *retval; - char *hex_digest; - int i, j; - - /* Get the raw (binary) digest value */ - SHAcopy(self, &temp); - sha_final(digest, &temp); - - /* Create a new string */ - retval = PyString_FromStringAndSize(NULL, self->digestsize * 2); - if (!retval) - return NULL; - hex_digest = PyString_AsString(retval); - if (!hex_digest) { - Py_DECREF(retval); - return NULL; - } - - /* Make hex version of the digest */ - for(i=j=0; idigestsize; i++) { - char c; - c = (digest[i] >> 4) & 0xf; - c = (c>9) ? c+'a'-10 : c + '0'; - hex_digest[j++] = c; - c = (digest[i] & 0xf); - c = (c>9) ? c+'a'-10 : c + '0'; - hex_digest[j++] = c; - } - return retval; -} - -PyDoc_STRVAR(SHA256_update__doc__, -"Update this hash object's state with the provided string."); - -static PyObject * -SHA256_update(SHAobject *self, PyObject *args) -{ - Py_buffer buf; - - if (!PyArg_ParseTuple(args, "s*:update", &buf)) - return NULL; - - sha_update(self, buf.buf, buf.len); - - PyBuffer_Release(&buf); - Py_RETURN_NONE; -} - -static PyMethodDef SHA_methods[] = { - {"copy", (PyCFunction)SHA256_copy, METH_NOARGS, SHA256_copy__doc__}, - {"digest", (PyCFunction)SHA256_digest, METH_NOARGS, SHA256_digest__doc__}, - {"hexdigest", (PyCFunction)SHA256_hexdigest, METH_NOARGS, SHA256_hexdigest__doc__}, - {"update", (PyCFunction)SHA256_update, METH_VARARGS, SHA256_update__doc__}, - {NULL, NULL} /* sentinel */ -}; - -static PyObject * -SHA256_get_block_size(PyObject *self, void *closure) -{ - return PyInt_FromLong(SHA_BLOCKSIZE); -} - -static PyObject * -SHA256_get_name(PyObject *self, void *closure) -{ - if (((SHAobject *)self)->digestsize == 32) - return PyString_FromStringAndSize("SHA256", 6); - else - return PyString_FromStringAndSize("SHA224", 6); -} - -static PyGetSetDef SHA_getseters[] = { - {"block_size", - (getter)SHA256_get_block_size, NULL, - NULL, - NULL}, - {"name", - (getter)SHA256_get_name, NULL, - NULL, - NULL}, - {NULL} /* Sentinel */ -}; - -static PyMemberDef SHA_members[] = { - {"digest_size", T_INT, offsetof(SHAobject, digestsize), READONLY, NULL}, - /* the old md5 and sha modules support 'digest_size' as in PEP 247. - * the old sha module also supported 'digestsize'. ugh. */ - {"digestsize", T_INT, offsetof(SHAobject, digestsize), READONLY, NULL}, - {NULL} /* Sentinel */ -}; - -static PyTypeObject SHA224type = { - PyVarObject_HEAD_INIT(NULL, 0) - "_sha256.sha224", /*tp_name*/ - sizeof(SHAobject), /*tp_size*/ - 0, /*tp_itemsize*/ - /* methods */ - SHA_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash*/ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - 0, /*tp_doc*/ - 0, /*tp_traverse*/ - 0, /*tp_clear*/ - 0, /*tp_richcompare*/ - 0, /*tp_weaklistoffset*/ - 0, /*tp_iter*/ - 0, /*tp_iternext*/ - SHA_methods, /* tp_methods */ - SHA_members, /* tp_members */ - SHA_getseters, /* tp_getset */ -}; - -static PyTypeObject SHA256type = { - PyVarObject_HEAD_INIT(NULL, 0) - "_sha256.sha256", /*tp_name*/ - sizeof(SHAobject), /*tp_size*/ - 0, /*tp_itemsize*/ - /* methods */ - SHA_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash*/ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - 0, /*tp_doc*/ - 0, /*tp_traverse*/ - 0, /*tp_clear*/ - 0, /*tp_richcompare*/ - 0, /*tp_weaklistoffset*/ - 0, /*tp_iter*/ - 0, /*tp_iternext*/ - SHA_methods, /* tp_methods */ - SHA_members, /* tp_members */ - SHA_getseters, /* tp_getset */ -}; - - -/* The single module-level function: new() */ - -PyDoc_STRVAR(SHA256_new__doc__, -"Return a new SHA-256 hash object; optionally initialized with a string."); - -static PyObject * -SHA256_new(PyObject *self, PyObject *args, PyObject *kwdict) -{ - static char *kwlist[] = {"string", NULL}; - SHAobject *new; - Py_buffer buf = { 0 }; - - if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|s*:new", kwlist, - &buf)) { - return NULL; - } - - if ((new = newSHA256object()) == NULL) { - PyBuffer_Release(&buf); - return NULL; - } - - sha_init(new); - - if (PyErr_Occurred()) { - Py_DECREF(new); - PyBuffer_Release(&buf); - return NULL; - } - if (buf.len > 0) { - sha_update(new, buf.buf, buf.len); - } - PyBuffer_Release(&buf); - - return (PyObject *)new; -} - -PyDoc_STRVAR(SHA224_new__doc__, -"Return a new SHA-224 hash object; optionally initialized with a string."); - -static PyObject * -SHA224_new(PyObject *self, PyObject *args, PyObject *kwdict) -{ - static char *kwlist[] = {"string", NULL}; - SHAobject *new; - Py_buffer buf = { 0 }; - - if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|s*:new", kwlist, - &buf)) { - return NULL; - } - - if ((new = newSHA224object()) == NULL) { - PyBuffer_Release(&buf); - return NULL; - } - - sha224_init(new); - - if (PyErr_Occurred()) { - Py_DECREF(new); - PyBuffer_Release(&buf); - return NULL; - } - if (buf.len > 0) { - sha_update(new, buf.buf, buf.len); - } - PyBuffer_Release(&buf); - - return (PyObject *)new; -} - - -/* List of functions exported by this module */ - -static struct PyMethodDef SHA_functions[] = { - {"sha256", (PyCFunction)SHA256_new, METH_VARARGS|METH_KEYWORDS, SHA256_new__doc__}, - {"sha224", (PyCFunction)SHA224_new, METH_VARARGS|METH_KEYWORDS, SHA224_new__doc__}, - {NULL, NULL} /* Sentinel */ -}; - - -/* Initialize this module. */ - -#define insint(n,v) { PyModule_AddIntConstant(m,n,v); } - -PyMODINIT_FUNC -init_sha256(void) -{ - PyObject *m; - - Py_TYPE(&SHA224type) = &PyType_Type; - if (PyType_Ready(&SHA224type) < 0) - return; - Py_TYPE(&SHA256type) = &PyType_Type; - if (PyType_Ready(&SHA256type) < 0) - return; - m = Py_InitModule("_sha256", SHA_functions); - if (m == NULL) - return; -}