md5.c
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md5.c
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	#include "cunit/cunit.h"
	#include "md5.h"

	static const char *asciify(unsigned char mac[16])
	{
	static char buf[33];
	int i;

	for (i = 0 ; i < 16 ; i++)
	sprintf(buf+2*i, "%02x", mac[i]);
	return buf;
	}

	static void test_single(void)
	{
	MD5_CTX ctx;
	unsigned char result[16];
	static const char text[] = "Hello World";
	static const char expected[33] = "b10a8db164e0754105b7a99be72e3fe5";

	CU_ASSERT_EQUAL(MD5_DIGEST_LENGTH, 16);

	MD5Init(&ctx);
	MD5Update(&ctx, text, strlen(text));
	MD5Final(result, &ctx);
	CU_ASSERT_STRING_EQUAL(asciify(result), expected);
	}

	static void test_multiple(void)
	{
	MD5_CTX ctx;
	unsigned char result[16];
	static const char text1[] = "lorem ipsum";
	static const char text2[] = " dolor sit amet,";
	static const char text3[] = " consectetur adipisicing elit";
	static const char expected[33] = "247ce3dcb025a6fd563b878072be7cc9";

	MD5Init(&ctx);
	MD5Update(&ctx, text1, strlen(text1));
	MD5Update(&ctx, text2, strlen(text2));
	MD5Update(&ctx, text3, strlen(text3));
	MD5Final(result, &ctx);
	CU_ASSERT_STRING_EQUAL(asciify(result), expected);
	}