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-rw-r--r--Modules/_hashopenssl.c34
1 files changed, 3 insertions, 31 deletions
diff --git a/Modules/_hashopenssl.c b/Modules/_hashopenssl.c
index 6a2a9afd22..a157fbb14a 100644
--- a/Modules/_hashopenssl.c
+++ b/Modules/_hashopenssl.c
@@ -16,6 +16,7 @@
#include "Python.h"
#include "structmember.h"
#include "hashlib.h"
+#include "pystrhex.h"
/* EVP is the preferred interface to hashing in OpenSSL */
@@ -31,10 +32,6 @@
#define HASH_OBJ_CONSTRUCTOR 0
#endif
-/* Minimum OpenSSL version needed to support sha224 and higher. */
-#if defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x00908000)
-#define _OPENSSL_SUPPORTS_SHA2
-#endif
typedef struct {
PyObject_HEAD
@@ -56,12 +53,10 @@ static PyTypeObject EVPtype;
DEFINE_CONSTS_FOR_NEW(md5)
DEFINE_CONSTS_FOR_NEW(sha1)
-#ifdef _OPENSSL_SUPPORTS_SHA2
DEFINE_CONSTS_FOR_NEW(sha224)
DEFINE_CONSTS_FOR_NEW(sha256)
DEFINE_CONSTS_FOR_NEW(sha384)
DEFINE_CONSTS_FOR_NEW(sha512)
-#endif
static EVPobject *
@@ -163,9 +158,7 @@ EVP_hexdigest(EVPobject *self, PyObject *unused)
{
unsigned char digest[EVP_MAX_MD_SIZE];
EVP_MD_CTX temp_ctx;
- PyObject *retval;
- char *hex_digest;
- unsigned int i, j, digest_size;
+ unsigned int digest_size;
/* Get the raw (binary) digest value */
locked_EVP_MD_CTX_copy(&temp_ctx, self);
@@ -174,22 +167,7 @@ EVP_hexdigest(EVPobject *self, PyObject *unused)
EVP_MD_CTX_cleanup(&temp_ctx);
- /* Allocate a new buffer */
- hex_digest = PyMem_Malloc(digest_size * 2 + 1);
- if (!hex_digest)
- return PyErr_NoMemory();
-
- /* Make hex version of the digest */
- for(i=j=0; i<digest_size; i++) {
- unsigned char c;
- c = (digest[i] >> 4) & 0xf;
- hex_digest[j++] = Py_hexdigits[c];
- c = (digest[i] & 0xf);
- hex_digest[j++] = Py_hexdigits[c];
- }
- retval = PyUnicode_FromStringAndSize(hex_digest, digest_size * 2);
- PyMem_Free(hex_digest);
- return retval;
+ return _Py_strhex((const char *)digest, digest_size);
}
PyDoc_STRVAR(EVP_update__doc__,
@@ -798,12 +776,10 @@ generate_hash_name_list(void)
GEN_CONSTRUCTOR(md5)
GEN_CONSTRUCTOR(sha1)
-#ifdef _OPENSSL_SUPPORTS_SHA2
GEN_CONSTRUCTOR(sha224)
GEN_CONSTRUCTOR(sha256)
GEN_CONSTRUCTOR(sha384)
GEN_CONSTRUCTOR(sha512)
-#endif
/* List of functions exported by this module */
@@ -815,12 +791,10 @@ static struct PyMethodDef EVP_functions[] = {
#endif
CONSTRUCTOR_METH_DEF(md5),
CONSTRUCTOR_METH_DEF(sha1),
-#ifdef _OPENSSL_SUPPORTS_SHA2
CONSTRUCTOR_METH_DEF(sha224),
CONSTRUCTOR_METH_DEF(sha256),
CONSTRUCTOR_METH_DEF(sha384),
CONSTRUCTOR_METH_DEF(sha512),
-#endif
{NULL, NULL} /* Sentinel */
};
@@ -877,11 +851,9 @@ PyInit__hashlib(void)
/* these constants are used by the convenience constructors */
INIT_CONSTRUCTOR_CONSTANTS(md5);
INIT_CONSTRUCTOR_CONSTANTS(sha1);
-#ifdef _OPENSSL_SUPPORTS_SHA2
INIT_CONSTRUCTOR_CONSTANTS(sha224);
INIT_CONSTRUCTOR_CONSTANTS(sha256);
INIT_CONSTRUCTOR_CONSTANTS(sha384);
INIT_CONSTRUCTOR_CONSTANTS(sha512);
-#endif
return m;
}