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authororivej <[email protected]>2022-02-10 16:44:49 +0300
committerDaniil Cherednik <[email protected]>2022-02-10 16:44:49 +0300
commit718c552901d703c502ccbefdfc3c9028d608b947 (patch)
tree46534a98bbefcd7b1f3faa5b52c138ab27db75b7 /contrib/tools/python3/src/Modules/sha256module.c
parente9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (diff)
Restoring authorship annotation for <[email protected]>. Commit 1 of 2.
Diffstat (limited to 'contrib/tools/python3/src/Modules/sha256module.c')
-rw-r--r--contrib/tools/python3/src/Modules/sha256module.c1396
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;
+
+}