diff options
Diffstat (limited to 'contrib/tools/python3/src/Modules/sha256module.c')
| -rw-r--r-- | contrib/tools/python3/src/Modules/sha256module.c | 1396 |
1 files changed, 698 insertions, 698 deletions
diff --git a/contrib/tools/python3/src/Modules/sha256module.c b/contrib/tools/python3/src/Modules/sha256module.c index 9b885c72553..1012fbdc245 100644 --- a/contrib/tools/python3/src/Modules/sha256module.c +++ b/contrib/tools/python3/src/Modules/sha256module.c @@ -1,723 +1,723 @@ -/* 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 ([email protected]) - Greg Stein ([email protected]) - Trevor Perrin ([email protected]) - - Copyright (C) 2005-2007 Gregory P. Smith ([email protected]) - Licensed to PSF under a Contributor Agreement. - -*/ - -/* SHA objects */ - -#include "Python.h" +/* 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 ([email protected]) + Greg Stein ([email protected]) + Trevor Perrin ([email protected]) + + Copyright (C) 2005-2007 Gregory P. Smith ([email protected]) + Licensed to PSF under a Contributor Agreement. + +*/ + +/* SHA objects */ + +#include "Python.h" #include "pycore_byteswap.h" // _Py_bswap32() #include "structmember.h" // PyMemberDef -#include "hashlib.h" -#include "pystrhex.h" - -/*[clinic input] -module _sha256 -class SHA256Type "SHAobject *" "&PyType_Type" -[clinic start generated code]*/ -/*[clinic end generated code: output=da39a3ee5e6b4b0d input=71a39174d4f0a744]*/ - -/* Some useful types */ - -typedef unsigned char SHA_BYTE; +#include "hashlib.h" +#include "pystrhex.h" + +/*[clinic input] +module _sha256 +class SHA256Type "SHAobject *" "&PyType_Type" +[clinic start generated code]*/ +/*[clinic end generated code: output=da39a3ee5e6b4b0d input=71a39174d4f0a744]*/ + +/* Some useful types */ + +typedef unsigned char SHA_BYTE; typedef uint32_t SHA_INT32; /* 32-bit integer */ - -/* 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 local; /* unprocessed amount in data */ - int digestsize; -} SHAobject; - -#include "clinic/sha256module.c.h" - -/* When run on a little-endian CPU we need to perform byte reversal on an - array of longwords. */ - -#if PY_LITTLE_ENDIAN -static void longReverse(SHA_INT32 *buffer, int byteCount) -{ - byteCount /= sizeof(*buffer); + +/* 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 local; /* unprocessed amount in data */ + int digestsize; +} SHAobject; + +#include "clinic/sha256module.c.h" + +/* When run on a little-endian CPU we need to perform byte reversal on an + array of longwords. */ + +#if PY_LITTLE_ENDIAN +static void longReverse(SHA_INT32 *buffer, int byteCount) +{ + byteCount /= sizeof(*buffer); for (; byteCount--; buffer++) { *buffer = _Py_bswap32(*buffer); - } -} -#endif - -static void SHAcopy(SHAobject *src, SHAobject *dest) -{ - 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 - * guarantee it works. - * + } +} +#endif + +static void SHAcopy(SHAobject *src, SHAobject *dest) +{ + 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 + * guarantee it works. + * * Tom St Denis, [email protected], https://www.libtom.net - */ - - -/* 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)); -#if PY_LITTLE_ENDIAN - longReverse(W, (int)sizeof(sha_info->data)); -#endif - - 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) -{ - 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) -{ - 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, Py_ssize_t count) -{ - Py_ssize_t 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 += (int)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 = (int)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 */ - -/*[clinic input] -SHA256Type.copy - -Return a copy of the hash object. -[clinic start generated code]*/ - -static PyObject * -SHA256Type_copy_impl(SHAobject *self) -/*[clinic end generated code: output=1a8bbd66a0c9c168 input=f58840a618d4f2a7]*/ -{ - SHAobject *newobj; - + */ + + +/* 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)); +#if PY_LITTLE_ENDIAN + longReverse(W, (int)sizeof(sha_info->data)); +#endif + + 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) +{ + 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) +{ + 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, Py_ssize_t count) +{ + Py_ssize_t 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 += (int)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 = (int)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 */ + +/*[clinic input] +SHA256Type.copy + +Return a copy of the hash object. +[clinic start generated code]*/ + +static PyObject * +SHA256Type_copy_impl(SHAobject *self) +/*[clinic end generated code: output=1a8bbd66a0c9c168 input=f58840a618d4f2a7]*/ +{ + SHAobject *newobj; + if (Py_IS_TYPE(self, &SHA256type)) { - if ( (newobj = newSHA256object())==NULL) - return NULL; - } else { - if ( (newobj = newSHA224object())==NULL) - return NULL; - } - - SHAcopy(self, newobj); - return (PyObject *)newobj; -} - -/*[clinic input] -SHA256Type.digest - -Return the digest value as a bytes object. -[clinic start generated code]*/ - -static PyObject * -SHA256Type_digest_impl(SHAobject *self) -/*[clinic end generated code: output=46616a5e909fbc3d input=f1f4cfea5cbde35c]*/ -{ - unsigned char digest[SHA_DIGESTSIZE]; - SHAobject temp; - - SHAcopy(self, &temp); - sha_final(digest, &temp); - return PyBytes_FromStringAndSize((const char *)digest, self->digestsize); -} - -/*[clinic input] -SHA256Type.hexdigest - -Return the digest value as a string of hexadecimal digits. -[clinic start generated code]*/ - -static PyObject * -SHA256Type_hexdigest_impl(SHAobject *self) -/*[clinic end generated code: output=725f8a7041ae97f3 input=0cc4c714693010d1]*/ -{ - unsigned char digest[SHA_DIGESTSIZE]; - SHAobject temp; - - /* Get the raw (binary) digest value */ - SHAcopy(self, &temp); - sha_final(digest, &temp); - - return _Py_strhex((const char *)digest, self->digestsize); -} - -/*[clinic input] -SHA256Type.update - - obj: object - / - -Update this hash object's state with the provided string. -[clinic start generated code]*/ - -static PyObject * -SHA256Type_update(SHAobject *self, PyObject *obj) -/*[clinic end generated code: output=0967fb2860c66af7 input=b2d449d5b30f0f5a]*/ -{ - Py_buffer buf; - - GET_BUFFER_VIEW_OR_ERROUT(obj, &buf); - - sha_update(self, buf.buf, buf.len); - - PyBuffer_Release(&buf); - Py_RETURN_NONE; -} - -static PyMethodDef SHA_methods[] = { - SHA256TYPE_COPY_METHODDEF - SHA256TYPE_DIGEST_METHODDEF - SHA256TYPE_HEXDIGEST_METHODDEF - SHA256TYPE_UPDATE_METHODDEF - {NULL, NULL} /* sentinel */ -}; - -static PyObject * -SHA256_get_block_size(PyObject *self, void *closure) -{ - return PyLong_FromLong(SHA_BLOCKSIZE); -} - -static PyObject * -SHA256_get_name(PyObject *self, void *closure) -{ - if (((SHAobject *)self)->digestsize == 32) - return PyUnicode_FromStringAndSize("sha256", 6); - else - return PyUnicode_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}, - {NULL} /* Sentinel */ -}; - -static PyTypeObject SHA224type = { - PyVarObject_HEAD_INIT(NULL, 0) - "_sha256.sha224", /*tp_name*/ - sizeof(SHAobject), /*tp_basicsize*/ - 0, /*tp_itemsize*/ - /* methods */ - SHA_dealloc, /*tp_dealloc*/ + if ( (newobj = newSHA256object())==NULL) + return NULL; + } else { + if ( (newobj = newSHA224object())==NULL) + return NULL; + } + + SHAcopy(self, newobj); + return (PyObject *)newobj; +} + +/*[clinic input] +SHA256Type.digest + +Return the digest value as a bytes object. +[clinic start generated code]*/ + +static PyObject * +SHA256Type_digest_impl(SHAobject *self) +/*[clinic end generated code: output=46616a5e909fbc3d input=f1f4cfea5cbde35c]*/ +{ + unsigned char digest[SHA_DIGESTSIZE]; + SHAobject temp; + + SHAcopy(self, &temp); + sha_final(digest, &temp); + return PyBytes_FromStringAndSize((const char *)digest, self->digestsize); +} + +/*[clinic input] +SHA256Type.hexdigest + +Return the digest value as a string of hexadecimal digits. +[clinic start generated code]*/ + +static PyObject * +SHA256Type_hexdigest_impl(SHAobject *self) +/*[clinic end generated code: output=725f8a7041ae97f3 input=0cc4c714693010d1]*/ +{ + unsigned char digest[SHA_DIGESTSIZE]; + SHAobject temp; + + /* Get the raw (binary) digest value */ + SHAcopy(self, &temp); + sha_final(digest, &temp); + + return _Py_strhex((const char *)digest, self->digestsize); +} + +/*[clinic input] +SHA256Type.update + + obj: object + / + +Update this hash object's state with the provided string. +[clinic start generated code]*/ + +static PyObject * +SHA256Type_update(SHAobject *self, PyObject *obj) +/*[clinic end generated code: output=0967fb2860c66af7 input=b2d449d5b30f0f5a]*/ +{ + Py_buffer buf; + + GET_BUFFER_VIEW_OR_ERROUT(obj, &buf); + + sha_update(self, buf.buf, buf.len); + + PyBuffer_Release(&buf); + Py_RETURN_NONE; +} + +static PyMethodDef SHA_methods[] = { + SHA256TYPE_COPY_METHODDEF + SHA256TYPE_DIGEST_METHODDEF + SHA256TYPE_HEXDIGEST_METHODDEF + SHA256TYPE_UPDATE_METHODDEF + {NULL, NULL} /* sentinel */ +}; + +static PyObject * +SHA256_get_block_size(PyObject *self, void *closure) +{ + return PyLong_FromLong(SHA_BLOCKSIZE); +} + +static PyObject * +SHA256_get_name(PyObject *self, void *closure) +{ + if (((SHAobject *)self)->digestsize == 32) + return PyUnicode_FromStringAndSize("sha256", 6); + else + return PyUnicode_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}, + {NULL} /* Sentinel */ +}; + +static PyTypeObject SHA224type = { + PyVarObject_HEAD_INIT(NULL, 0) + "_sha256.sha224", /*tp_name*/ + sizeof(SHAobject), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + /* methods */ + SHA_dealloc, /*tp_dealloc*/ 0, /*tp_vectorcall_offset*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ 0, /*tp_as_async*/ - 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_basicsize*/ - 0, /*tp_itemsize*/ - /* methods */ - SHA_dealloc, /*tp_dealloc*/ + 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_basicsize*/ + 0, /*tp_itemsize*/ + /* methods */ + SHA_dealloc, /*tp_dealloc*/ 0, /*tp_vectorcall_offset*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ 0, /*tp_as_async*/ - 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() */ - -/*[clinic input] -_sha256.sha256 - - string: object(c_default="NULL") = b'' + 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() */ + +/*[clinic input] +_sha256.sha256 + + string: object(c_default="NULL") = b'' * usedforsecurity: bool = True - -Return a new SHA-256 hash object; optionally initialized with a string. -[clinic start generated code]*/ - -static PyObject * + +Return a new SHA-256 hash object; optionally initialized with a string. +[clinic start generated code]*/ + +static PyObject * _sha256_sha256_impl(PyObject *module, PyObject *string, int usedforsecurity) /*[clinic end generated code: output=a1de327e8e1185cf input=9be86301aeb14ea5]*/ -{ - SHAobject *new; - Py_buffer buf; - - if (string) - GET_BUFFER_VIEW_OR_ERROUT(string, &buf); - - if ((new = newSHA256object()) == NULL) { - if (string) - PyBuffer_Release(&buf); - return NULL; - } - - sha_init(new); - - if (PyErr_Occurred()) { - Py_DECREF(new); - if (string) - PyBuffer_Release(&buf); - return NULL; - } - if (string) { - sha_update(new, buf.buf, buf.len); - PyBuffer_Release(&buf); - } - - return (PyObject *)new; -} - -/*[clinic input] -_sha256.sha224 - - string: object(c_default="NULL") = b'' +{ + SHAobject *new; + Py_buffer buf; + + if (string) + GET_BUFFER_VIEW_OR_ERROUT(string, &buf); + + if ((new = newSHA256object()) == NULL) { + if (string) + PyBuffer_Release(&buf); + return NULL; + } + + sha_init(new); + + if (PyErr_Occurred()) { + Py_DECREF(new); + if (string) + PyBuffer_Release(&buf); + return NULL; + } + if (string) { + sha_update(new, buf.buf, buf.len); + PyBuffer_Release(&buf); + } + + return (PyObject *)new; +} + +/*[clinic input] +_sha256.sha224 + + string: object(c_default="NULL") = b'' * usedforsecurity: bool = True - -Return a new SHA-224 hash object; optionally initialized with a string. -[clinic start generated code]*/ - -static PyObject * + +Return a new SHA-224 hash object; optionally initialized with a string. +[clinic start generated code]*/ + +static PyObject * _sha256_sha224_impl(PyObject *module, PyObject *string, int usedforsecurity) /*[clinic end generated code: output=08be6b36569bc69c input=9fcfb46e460860ac]*/ -{ - SHAobject *new; - Py_buffer buf; - - if (string) - GET_BUFFER_VIEW_OR_ERROUT(string, &buf); - - if ((new = newSHA224object()) == NULL) { - if (string) - PyBuffer_Release(&buf); - return NULL; - } - - sha224_init(new); - - if (PyErr_Occurred()) { - Py_DECREF(new); - if (string) - PyBuffer_Release(&buf); - return NULL; - } - if (string) { - 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_SHA256_METHODDEF - _SHA256_SHA224_METHODDEF - {NULL, NULL} /* Sentinel */ -}; - - -/* Initialize this module. */ - -static struct PyModuleDef _sha256module = { - PyModuleDef_HEAD_INIT, - "_sha256", - NULL, - -1, - SHA_functions, - NULL, - NULL, - NULL, - NULL -}; - -PyMODINIT_FUNC -PyInit__sha256(void) -{ - PyObject *m; - +{ + SHAobject *new; + Py_buffer buf; + + if (string) + GET_BUFFER_VIEW_OR_ERROUT(string, &buf); + + if ((new = newSHA224object()) == NULL) { + if (string) + PyBuffer_Release(&buf); + return NULL; + } + + sha224_init(new); + + if (PyErr_Occurred()) { + Py_DECREF(new); + if (string) + PyBuffer_Release(&buf); + return NULL; + } + if (string) { + 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_SHA256_METHODDEF + _SHA256_SHA224_METHODDEF + {NULL, NULL} /* Sentinel */ +}; + + +/* Initialize this module. */ + +static struct PyModuleDef _sha256module = { + PyModuleDef_HEAD_INIT, + "_sha256", + NULL, + -1, + SHA_functions, + NULL, + NULL, + NULL, + NULL +}; + +PyMODINIT_FUNC +PyInit__sha256(void) +{ + PyObject *m; + Py_SET_TYPE(&SHA224type, &PyType_Type); if (PyType_Ready(&SHA224type) < 0) { - return NULL; + return NULL; } Py_SET_TYPE(&SHA256type, &PyType_Type); if (PyType_Ready(&SHA256type) < 0) { - return NULL; + return NULL; } - - m = PyModule_Create(&_sha256module); - if (m == NULL) - return NULL; - - Py_INCREF((PyObject *)&SHA224type); - PyModule_AddObject(m, "SHA224Type", (PyObject *)&SHA224type); - Py_INCREF((PyObject *)&SHA256type); - PyModule_AddObject(m, "SHA256Type", (PyObject *)&SHA256type); - return m; - -} + + m = PyModule_Create(&_sha256module); + if (m == NULL) + return NULL; + + Py_INCREF((PyObject *)&SHA224type); + PyModule_AddObject(m, "SHA224Type", (PyObject *)&SHA224type); + Py_INCREF((PyObject *)&SHA256type); + PyModule_AddObject(m, "SHA256Type", (PyObject *)&SHA256type); + return m; + +} |