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25 lines
640 B
25 lines
640 B
16 years ago
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diff -Naur pycrypto-2.0.1.org/src/ARC2.c pycrypto-2.0.1/src/ARC2.c
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--- pycrypto-2.0.1.org/src/ARC2.c 2009-02-13 17:08:30.000000000 +0100
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+++ pycrypto-2.0.1/src/ARC2.c 2009-02-13 17:08:47.000000000 +0100
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@@ -11,6 +11,7 @@
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*/
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#include <string.h>
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+#include "Python.h"
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#define MODULE_NAME ARC2
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#define BLOCK_SIZE 8
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@@ -146,6 +147,12 @@
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We'll hardwire it to 1024. */
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#define bits 1024
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+ if ((U32)keylength > sizeof(self->xkey)) {
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+ PyErr_SetString(PyExc_ValueError,
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+ "ARC2 key length must be less than 128 bytes");
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+ return;
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+ }
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+
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memcpy(self->xkey, key, keylength);
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/* Phase 1: Expand input key to 128 bytes */
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