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Gregory 2018-10-18 21:57:26 +03:00
parent c1bf1b2193
commit 8f1c5c61bd
9 changed files with 179 additions and 87 deletions
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17
Makefile
View file

@ -36,8 +36,10 @@ MUINUT_INC := -I $(MUINUT_DIR)
# project source files
SRC = main.c
MD5_SRC = ft_md5_init.c
SRC = main.c
SRC += $(MD5_SRC)
# project object files
OBJ = $(addprefix $(OBJ_DIR), $(SRC:.c=.o))
@ -47,10 +49,12 @@ OBJ = $(addprefix $(OBJ_DIR), $(SRC:.c=.o))
TEST_BIN = ft_ssl_test
TEST_SRC = main_test.c \
test_tests.c
MD5_TESTS = md5_tests.c
MD5_TESTS += $(MD5_SRC)
TEST_SRC += munit.c
TEST_SRC = tests.c \
munit.c
TEST_SRC += $(MD5_TESTS)
TEST_OBJ = $(addprefix $(OBJ_DIR), $(TEST_SRC:.c=.o))
@ -80,12 +84,13 @@ endif
# linking flags
LINK_FLAGS = ""
LINK_FLAGS = $(LIBFT_LIB)
# header flags
HEADER_FLAGS = -I $(INC_DIR) \
$(MUINUT_INC)
$(MUINUT_INC) \
$(LIBFT_INC)
# compiler

26
inc/ft_md5.h Normal file
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@ -0,0 +1,26 @@
#ifndef FT_MD5_H
# define FT_MD5_H
# include <stdint.h>
# define FT_MD5_BUFFER_SIZE 64
typedef unsigned int BYTE4;
typedef unsigned char BYTE1;
typedef struct s_md5_ctx
{
BYTE4 a;
BYTE4 b;
BYTE4 c;
BYTE4 d;
BYTE1 buffer[FT_MD5_BUFFER_SIZE];
uint64_t message_len;
} t_md5_ctx;
void ft_md5_init(t_md5_ctx *ctx);
void ft_md5_update(t_md5_ctx *ctx, BYTE1 *chunk, BYTE4 len);
void ft_md5_transform(t_md5_ctx *ctx, BYTE1 buffer[64]);
void ft_md5_final(t_md5_ctx *ctx, BYTE1 *chunk, BYTE4 len);
#endif

4
inc/tests.h
View file

@ -6,8 +6,6 @@
#include "tests_macros.h"
// test tests
CASE(should_pass);
CASE(should_skip);
CASE(should_fail);
CASE(should_init_ctx);
#endif

10
src/ft_md5_init.c Normal file
View file

@ -0,0 +1,10 @@
#include "ft_md5.h"
#include "libft.h"
void ft_md5_init(t_md5_ctx *ctx)
{
ctx->a = 0x67452301;
ctx->a = 0xefcdab89;
ctx->a = 0x98badcfe;
ctx->a = 0x10325476;
ft_bzero(ctx->buffer, FT_MD5_BUFFER_SIZE);
}

126
src/main.c
View file

@ -1,9 +1,10 @@
#include <stdio.h>
#include <time.h>
#include <string.h>
#include "libft.h"
#ifndef PROTOTYPES
#define PROTOTYPES 0
#define PROTOTYPES 1
#endif
/* PROTO_LIST is defined depending on how PROTOTYPES is defined above.
@ -46,7 +47,7 @@ typedef unsigned char *POINTER;
typedef unsigned short int UINT2;
/* UINT4 defines a four byte word */
typedef unsigned long int UINT4;
typedef unsigned int UINT4;
/* MD5 context. */
typedef struct
@ -66,7 +67,6 @@ void MD5Final PROTO_LIST((unsigned char[16], MD5_CTX *));
#define TEST_BLOCK_COUNT 1000
static void MDString PROTO_LIST((char *));
static void MDTimeTrial PROTO_LIST((void));
static void MDTestSuite PROTO_LIST((void));
static void MDFile PROTO_LIST((char *));
static void MDFilter PROTO_LIST((void));
@ -127,8 +127,7 @@ Rotation is separate from addition to prevent recomputation.
/* MD5 initialization. Begins an MD5 operation, writing a new context.
*/
void MD5Init(context)
MD5_CTX *context; /* context */
void MD5Init(MD5_CTX *context)
{
context->count[0] = context->count[1] = 0;
/* Load magic initialization constants.*/
@ -136,16 +135,14 @@ void MD5Init(context)
context->state[1] = 0xefcdab89;
context->state[2] = 0x98badcfe;
context->state[3] = 0x10325476;
ft_bzero(context->buffer, 64);
}
/* MD5 block update operation. Continues an MD5 message-digest
operation, processing another message block, and updating the
context.
*/
void MD5Update(context, input, inputLen)
MD5_CTX *context; /* context */
unsigned char *input; /* input block */
unsigned int inputLen; /* length of input block */
void MD5Update(MD5_CTX *context, unsigned char *input, unsigned int inputLen)
{
unsigned int i, index, partLen;
@ -181,9 +178,7 @@ void MD5Update(context, input, inputLen)
/* MD5 finalization. Ends an MD5 message-digest operation, writing the
the message digest and zeroizing the context.
*/
void MD5Final(digest, context)
unsigned char digest[16]; /* message digest */
MD5_CTX *context; /* context */
void MD5Final(unsigned char digest[16], MD5_CTX *context)
{
unsigned char bits[8];
unsigned int index, padLen;
@ -202,15 +197,14 @@ MD5_CTX *context; /* context */
/* Store state in digest */
Encode(digest, context->state, 16);
/* Zeroize sensitive information.
*/
/* Zeroize sensitive information.*/
MD5_memset((POINTER)context, 0, sizeof(*context));
}
/* MD5 basic transformation. Transforms state based on block.
*/
static void MD5Transform(state, block)
UINT4 state[4];
UINT4 state[4];
unsigned char block[64];
{
UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
@ -341,7 +335,7 @@ unsigned int len;
output[i] = input[i];
}
/* Note: Replace "for loop" with standard memset if possible.
/* Note: Replace "for l
*/
static void MD5_memset(output, value, len)
POINTER output;
@ -363,7 +357,7 @@ static void MDString(string) char *string;
unsigned int len = strlen(string);
MDInit(&context);
MDUpdate(&context, string, len);
MDUpdate(&context, (unsigned char *)string, len);
MDFinal(digest, &context);
printf("MD5 (\"%s\") = ", string);
@ -371,24 +365,88 @@ static void MDString(string) char *string;
printf("\n");
}
int main(argc, argv)
int argc;
char *argv[];
/* Digests the standard input and prints the result.
*/
static void MDFilter()
{
int i;
MD_CTX context;
int len;
unsigned char buffer[16], digest[16];
if (argc > 1)
for (i = 1; i < argc; i++)
if (argv[i][0] == '-' && argv[i][1] == 's')
MDString(argv[i] + 2);
else if (strcmp(argv[i], "-t") == 0)
MDTimeTrial();
else if (strcmp(argv[i], "-x") == 0)
MDTestSuite();
else
MDFile(argv[i]);
else
MDFilter();
MDInit(&context);
while ((len = fread(buffer, 1, 16, stdin)))
MDUpdate(&context, buffer, len);
MDFinal(digest, &context);
return (0);
MDPrint(digest);
printf("\n");
}
/* Prints a message digest in hexadecimal.
*/
static void MDPrint(digest) unsigned char digest[16];
{
unsigned int i;
for (i = 0; i < 16; i++)
printf("%02x", digest[i]);
}
static void MDFile(filename) char *filename;
{
FILE *file;
MD_CTX context;
int len;
unsigned char buffer[1024], digest[16];
if ((file = fopen(filename, "rb")) == NULL)
printf("%s can't be opened\n", filename);
else
{
MDInit(&context);
while ((len = fread(buffer, 1, 1024, file)))
MDUpdate(&context, buffer, len);
MDFinal(digest, &context);
fclose(file);
printf("MD5 (%s) = ", filename);
MDPrint(digest);
printf("\n");
}
}
/* Digests a reference suite of strings and prints the results.
*/
static void MDTestSuite()
{
printf("MD5 test suite:\n");
MDString((char *)"");
MDString((char *)"a");
MDString((char *)"abc");
MDString((char *)"message digest");
MDString((char *)"abcdefghijklmnopqrstuvwxyz");
MDString((char *)"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
MDString((char *)"1234567890123456789012345678901234567890\
1234567890123456789012345678901234567890");
}
int main(int argc, char **argv)
{
int i;
if (argc > 1)
for (i = 1; i < argc; i++)
if (argv[i][0] == '-' && argv[i][1] == 's')
MDString(argv[i] + 2);
else if (strcmp(argv[i], "-x") == 0)
MDTestSuite();
else
MDFile(argv[i]);
else
MDFilter();
return (0);
}

21
t/main_test.c
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@ -1,21 +0,0 @@
#include "tests.h"
MunitTest test_tests[] = {
IT("/should_pass", should_pass, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL),
IT("/should_fail", should_fail, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL),
IT("/should_skip", should_skip, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL),
END_IT
};
static const MunitSuite suite = {
(char *)"/test_tests_suite", /* name */
test_tests, /* tests */
NULL, /* suites */
1, /* iterations */
MUNIT_SUITE_OPTION_NONE /* options */
};
int main(int argc, char** argv)
{
return munit_suite_main(&suite, NULL, argc, argv);
}

20
t/md5_tests.c Normal file
View file

@ -0,0 +1,20 @@
#include "tests.h"
#include "ft_md5.h"
TEST_RESULT should_init_ctx(TEST_PARAMS, TEST_DATA)
{
UNUSED(test_params);
UNUSED(test_data);
t_md5_ctx ctx;
ft_md5_init(&ctx);
// munit_assert_true(ctx.a == 0x67452301);
// munit_assert_uint(ctx.b, ==, 0xefcdab89);
// munit_assert_uint(ctx.c, ==, 0x98badcfe);
// munit_assert_uint(ctx.d, ==, 0x10325476);
for (int i = 0; i < 64; i++)
munit_assert_uchar(ctx.buffer[i], ==, 0);
return MUNIT_OK;
}

23
t/test_tests.c
View file

@ -1,23 +0,0 @@
#include "tests.h"
TEST_RESULT should_pass(TEST_PARAMS, TEST_DATA)
{
UNUSED(test_params);
UNUSED(test_data);
return MUNIT_OK;
}
TEST_RESULT should_fail(TEST_PARAMS, TEST_DATA)
{
UNUSED(test_params);
UNUSED(test_data);
return MUNIT_SKIP;
return MUNIT_FAIL;
}
TEST_RESULT should_skip(TEST_PARAMS, TEST_DATA)
{
UNUSED(test_params);
UNUSED(test_data);
return MUNIT_SKIP;
}

19
t/tests.c Normal file
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@ -0,0 +1,19 @@
#include "tests.h"
MunitTest md5_tests[] = {
IT("/zeroes_ctx", should_init_ctx, NULL, NULL, 0, NULL),
END_IT
};
static const MunitSuite suite = {
(char *)"/md5_suite", /* name */
md5_tests, /* tests */
NULL, /* suites */
1, /* iterations */
MUNIT_SUITE_OPTION_NONE /* options */
};
int main(int argc, char** argv)
{
return munit_suite_main(&suite, NULL, argc, argv);
}