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temporary
This commit is contained in:
Rui Ueyama
parent
9e0e6b3e54
commit
72bb0e3c38
8
main.cc
8
main.cc
@ -1,5 +1,4 @@
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#include "mold.h"
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#include "sha1.h"
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#include "tbb/global_control.h"
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#include "tbb/task_group.h"
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@ -873,16 +872,15 @@ static std::function<void()> fork_child() {
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}
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static std::string compute_sha1(char **argv) {
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SHA1Context ctx;
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SHA1Reset(&ctx);
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SHA1 sha1;
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for (int i = 0; argv[i]; i++)
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if (!strcmp(argv[i], "-preload") && !strcmp(argv[i], "--preload"))
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SHA1Input(&ctx, (u8 *)argv[i], strlen(argv[i]) + 1);
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sha1.update((u8 *)argv[i], strlen(argv[i]) + 1);
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u8 digest[21];
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memset(digest, 0, sizeof(digest));
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SHA1Result(&ctx, digest);
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sha1.get_result(digest);
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static char chars[] =
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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23
mold.h
23
mold.h
@ -855,6 +855,29 @@ private:
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Timer *timer;
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};
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//
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// sha1.cc
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//
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class SHA1 {
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public:
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enum { hash_size = 20 };
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void update(const u8 *msg, u32 len);
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void get_result(u8 *digest);
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private:
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void process_message_block();
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void pad_message();
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u32 hash[5] = {0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0};
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u32 length_low = 0;
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u32 length_high = 0;
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i16 block_idx = 0;
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u8 block[64] = {};
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int computed = 0;
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};
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//
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// mapfile.cc
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//
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463
sha1.cc
463
sha1.cc
@ -1,385 +1,130 @@
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// This source code is taken from https://www.ietf.org/rfc/rfc3174.txt
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// Based on https://www.ietf.org/rfc/rfc3174.txt
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/*
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* sha1.c
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*
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* Description:
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* This file implements the Secure Hashing Algorithm 1 as
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* defined in FIPS PUB 180-1 published April 17, 1995.
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*
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* The SHA-1, produces a 160-bit message digest for a given
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* data stream. It should take about 2**n steps to find a
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* message with the same digest as a given message and
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* 2**(n/2) to find any two messages with the same digest,
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* when n is the digest size in bits. Therefore, this
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* algorithm can serve as a means of providing a
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* "fingerprint" for a message.
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*
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* Portability Issues:
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* SHA-1 is defined in terms of 32-bit "words". This code
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* uses <stdint.h> (included via "sha1.h" to define 32 and 8
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* bit unsigned integer types. If your C compiler does not
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* support 32 bit unsigned integers, this code is not
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* appropriate.
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*
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* Caveats:
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* SHA-1 is designed to work with messages less than 2^64 bits
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* long. Although SHA-1 allows a message digest to be generated
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* for messages of any number of bits less than 2^64, this
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* implementation only works with messages with a length that is
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* a multiple of the size of an 8-bit character.
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*
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*/
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#include "mold.h"
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#include "sha1.h"
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/*
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* Define the SHA1 circular left shift macro
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*/
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#define SHA1CircularShift(bits,word) \
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(((word) << (bits)) | ((word) >> (32-(bits))))
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/* Local Function Prototyptes */
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void SHA1PadMessage(SHA1Context *);
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void SHA1ProcessMessageBlock(SHA1Context *);
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/*
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* SHA1Reset
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*
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* Description:
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* This function will initialize the SHA1Context in preparation
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* for computing a new SHA1 message digest.
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*
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* Parameters:
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* context: [in/out]
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* The context to reset.
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*
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* Returns:
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* sha Error Code.
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*
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*/
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int SHA1Reset(SHA1Context *context)
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{
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if (!context)
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{
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return shaNull;
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}
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context->Length_Low = 0;
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context->Length_High = 0;
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context->Message_Block_Index = 0;
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context->Intermediate_Hash[0] = 0x67452301;
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context->Intermediate_Hash[1] = 0xEFCDAB89;
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context->Intermediate_Hash[2] = 0x98BADCFE;
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context->Intermediate_Hash[3] = 0x10325476;
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context->Intermediate_Hash[4] = 0xC3D2E1F0;
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context->Computed = 0;
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context->Corrupted = 0;
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return shaSuccess;
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static inline u32 circular_shift(u32 bits, u32 word) {
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return (word << bits) | (word >> (32 - bits));
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}
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/*
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* SHA1Result
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*
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* Description:
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* This function will return the 160-bit message digest into the
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* Message_Digest array provided by the caller.
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* NOTE: The first octet of hash is stored in the 0th element,
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* the last octet of hash in the 19th element.
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*
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* Parameters:
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* context: [in/out]
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* The context to use to calculate the SHA-1 hash.
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* Message_Digest: [out]
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* Where the digest is returned.
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*
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* Returns:
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* sha Error Code.
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*
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*/
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int SHA1Result( SHA1Context *context,
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uint8_t Message_Digest[SHA1HashSize])
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{
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int i;
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void SHA1::get_result(u8 digest[hash_size]) {
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if (!computed) {
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pad_message();
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for (int i = 0; i < 64; i++)
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block[i] = 0;
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length_low = 0;
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length_high = 0;
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computed = 1;
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}
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if (!context || !Message_Digest)
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{
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return shaNull;
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}
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if (context->Corrupted)
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{
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return context->Corrupted;
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}
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if (!context->Computed)
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{
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SHA1PadMessage(context);
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for(i=0; i<64; ++i)
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{
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/* message may be sensitive, clear it out */
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context->Message_Block[i] = 0;
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}
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context->Length_Low = 0; /* and clear length */
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context->Length_High = 0;
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context->Computed = 1;
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}
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for(i = 0; i < SHA1HashSize; ++i)
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{
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Message_Digest[i] = context->Intermediate_Hash[i>>2]
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>> 8 * ( 3 - ( i & 0x03 ) );
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}
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return shaSuccess;
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for (int i = 0; i < hash_size; i++)
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digest[i] = hash[i >> 2] >> 8 * (3 - (i & 3));
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}
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/*
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* SHA1Input
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*
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* Description:
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* This function accepts an array of octets as the next portion
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* of the message.
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*
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* Parameters:
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* context: [in/out]
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* The SHA context to update
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* message_array: [in]
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* An array of characters representing the next portion of
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* the message.
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* length: [in]
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* The length of the message in message_array
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*
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* Returns:
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* sha Error Code.
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*
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*/
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int SHA1Input( SHA1Context *context,
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const uint8_t *message_array,
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unsigned length)
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{
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if (!length)
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{
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return shaSuccess;
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void SHA1::update(const u8 *buf, u32 len) {
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while (len--) {
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block[idx++] = (*buf & 0xFF);
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length_low += 8;
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if (length_low == 0) {
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length_high++;
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assert(length_high != 0);
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}
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if (!context || !message_array)
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{
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return shaNull;
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}
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if (context->Computed)
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{
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context->Corrupted = shaStateError;
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return shaStateError;
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}
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if (context->Corrupted)
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{
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return context->Corrupted;
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}
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while(length-- && !context->Corrupted)
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{
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context->Message_Block[context->Message_Block_Index++] =
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(*message_array & 0xFF);
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context->Length_Low += 8;
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if (context->Length_Low == 0)
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{
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context->Length_High++;
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if (context->Length_High == 0)
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{
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/* Message is too long */
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context->Corrupted = 1;
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}
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}
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if (context->Message_Block_Index == 64)
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{
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SHA1ProcessMessageBlock(context);
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}
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message_array++;
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}
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return shaSuccess;
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if (idx == 64)
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process_message_block();
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buf++;
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}
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}
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/*
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* SHA1ProcessMessageBlock
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*
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* Description:
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* This function will process the next 512 bits of the message
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* stored in the Message_Block array.
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*
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* Parameters:
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* None.
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*
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* Returns:
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* Nothing.
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*
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* Comments:
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* Many of the variable names in this code, especially the
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* single character names, were used because those were the
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* names used in the publication.
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*
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*
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*/
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void SHA1ProcessMessageBlock(SHA1Context *context)
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{
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const uint32_t K[] = { /* Constants defined in SHA-1 */
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0x5A827999,
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0x6ED9EBA1,
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0x8F1BBCDC,
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0xCA62C1D6
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};
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int t; /* Loop counter */
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uint32_t temp; /* Temporary word value */
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uint32_t W[80]; /* Word sequence */
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uint32_t A, B, C, D, E; /* Word buffers */
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void SHA1::process_message_block() {
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const u32 k[] = {0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xCA62C1D6};
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/*
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* Initialize the first 16 words in the array W
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*/
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for(t = 0; t < 16; t++)
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{
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W[t] = context->Message_Block[t * 4] << 24;
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W[t] |= context->Message_Block[t * 4 + 1] << 16;
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W[t] |= context->Message_Block[t * 4 + 2] << 8;
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W[t] |= context->Message_Block[t * 4 + 3];
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}
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u32 w[80];
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u32 a, b, c, d, e;
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for(t = 16; t < 80; t++)
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{
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W[t] = SHA1CircularShift(1,W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16]);
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}
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for (int t = 0; t < 16; t++) {
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w[t] = block[t * 4] << 24;
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w[t] |= block[t * 4 + 1] << 16;
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w[t] |= block[t * 4 + 2] << 8;
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w[t] |= block[t * 4 + 3];
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}
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A = context->Intermediate_Hash[0];
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B = context->Intermediate_Hash[1];
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C = context->Intermediate_Hash[2];
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D = context->Intermediate_Hash[3];
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E = context->Intermediate_Hash[4];
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for (int t = 16; t < 80; t++)
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w[t] = circular_shift(1, w[t - 3] ^ w[t - 8] ^ w[t - 14] ^ w[t - 16]);
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for(t = 0; t < 20; t++)
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{
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temp = SHA1CircularShift(5,A) +
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((B & C) | ((~B) & D)) + E + W[t] + K[0];
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E = D;
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D = C;
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C = SHA1CircularShift(30,B);
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B = A;
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A = temp;
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}
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a = hash[0];
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b = hash[1];
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c = hash[2];
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d = hash[3];
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e = hash[4];
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for(t = 20; t < 40; t++)
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{
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temp = SHA1CircularShift(5,A) + (B ^ C ^ D) + E + W[t] + K[1];
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E = D;
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D = C;
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C = SHA1CircularShift(30,B);
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B = A;
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A = temp;
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}
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for (int t = 0; t < 20; t++) {
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u32 tmp = circular_shift(5, a) + ((b & c) | (~b & d)) + e + w[t] + k[0];
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e = d;
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d = c;
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c = circular_shift(30,b);
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b = a;
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a = tmp;
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}
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for(t = 40; t < 60; t++)
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{
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temp = SHA1CircularShift(5,A) +
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((B & C) | (B & D) | (C & D)) + E + W[t] + K[2];
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E = D;
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D = C;
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C = SHA1CircularShift(30,B);
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B = A;
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A = temp;
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}
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for (int t = 20; t < 40; t++) {
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u32 tmp = circular_shift(5, a) + (b ^ c ^ d) + e + w[t] + k[1];
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e = d;
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d = c;
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c = circular_shift(30,b);
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b = a;
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a = tmp;
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}
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for(t = 60; t < 80; t++)
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{
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temp = SHA1CircularShift(5,A) + (B ^ C ^ D) + E + W[t] + K[3];
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E = D;
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D = C;
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C = SHA1CircularShift(30,B);
|
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B = A;
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A = temp;
|
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}
|
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for (int t = 40; t < 60; t++) {
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u32 tmp = circular_shift(5,a) + ((b & c) | (b & d) | (c & d)) + e + w[t] + k[2];
|
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e = d;
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d = c;
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c = circular_shift(30,b);
|
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b = a;
|
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a = tmp;
|
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}
|
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context->Intermediate_Hash[0] += A;
|
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context->Intermediate_Hash[1] += B;
|
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context->Intermediate_Hash[2] += C;
|
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context->Intermediate_Hash[3] += D;
|
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context->Intermediate_Hash[4] += E;
|
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for (int t = 60; t < 80; t++) {
|
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u32 tmp = circular_shift(5, a) + (b ^ c ^ d) + e + w[t] + k[3];
|
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e = d;
|
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d = c;
|
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c = circular_shift(30,b);
|
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b = a;
|
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a = tmp;
|
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}
|
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|
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context->Message_Block_Index = 0;
|
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hash[0] += a;
|
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hash[1] += b;
|
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hash[2] += c;
|
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hash[3] += d;
|
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hash[4] += e;
|
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idx = 0;
|
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}
|
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|
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void SHA1::pad_message() {
|
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if (idx > 55) {
|
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block[idx++] = 0x80;
|
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while (idx < 64)
|
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block[idx++] = 0;
|
||||
|
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/*
|
||||
* SHA1PadMessage
|
||||
*
|
||||
* Description:
|
||||
* According to the standard, the message must be padded to an even
|
||||
* 512 bits. The first padding bit must be a '1'. The last 64
|
||||
* bits represent the length of the original message. All bits in
|
||||
* between should be 0. This function will pad the message
|
||||
* according to those rules by filling the Message_Block array
|
||||
* accordingly. It will also call the ProcessMessageBlock function
|
||||
* provided appropriately. When it returns, it can be assumed that
|
||||
* the message digest has been computed.
|
||||
*
|
||||
* Parameters:
|
||||
* context: [in/out]
|
||||
* The context to pad
|
||||
* ProcessMessageBlock: [in]
|
||||
* The appropriate SHA*ProcessMessageBlock function
|
||||
* Returns:
|
||||
* Nothing.
|
||||
*
|
||||
*/
|
||||
process_message_block();
|
||||
|
||||
void SHA1PadMessage(SHA1Context *context)
|
||||
{
|
||||
/*
|
||||
* Check to see if the current message block is too small to hold
|
||||
* the initial padding bits and length. If so, we will pad the
|
||||
* block, process it, and then continue padding into a second
|
||||
* block.
|
||||
*/
|
||||
if (context->Message_Block_Index > 55)
|
||||
{
|
||||
context->Message_Block[context->Message_Block_Index++] = 0x80;
|
||||
while(context->Message_Block_Index < 64)
|
||||
{
|
||||
context->Message_Block[context->Message_Block_Index++] = 0;
|
||||
}
|
||||
while (idx < 56)
|
||||
block[idx++] = 0;
|
||||
} else {
|
||||
block[idx++] = 0x80;
|
||||
while (idx < 56)
|
||||
block[idx++] = 0;
|
||||
}
|
||||
|
||||
SHA1ProcessMessageBlock(context);
|
||||
|
||||
while(context->Message_Block_Index < 56)
|
||||
{
|
||||
context->Message_Block[context->Message_Block_Index++] = 0;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
context->Message_Block[context->Message_Block_Index++] = 0x80;
|
||||
while(context->Message_Block_Index < 56)
|
||||
{
|
||||
context->Message_Block[context->Message_Block_Index++] = 0;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Store the message length as the last 8 octets
|
||||
*/
|
||||
context->Message_Block[56] = context->Length_High >> 24;
|
||||
context->Message_Block[57] = context->Length_High >> 16;
|
||||
context->Message_Block[58] = context->Length_High >> 8;
|
||||
context->Message_Block[59] = context->Length_High;
|
||||
context->Message_Block[60] = context->Length_Low >> 24;
|
||||
context->Message_Block[61] = context->Length_Low >> 16;
|
||||
context->Message_Block[62] = context->Length_Low >> 8;
|
||||
context->Message_Block[63] = context->Length_Low;
|
||||
|
||||
SHA1ProcessMessageBlock(context);
|
||||
block[56] = length_high >> 24;
|
||||
block[57] = length_high >> 16;
|
||||
block[58] = length_high >> 8;
|
||||
block[59] = length_high;
|
||||
block[60] = length_low >> 24;
|
||||
block[61] = length_low >> 16;
|
||||
block[62] = length_low >> 8;
|
||||
block[63] = length_low;
|
||||
process_message_block();
|
||||
}
|
||||
|
||||
74
sha1.h
74
sha1.h
@ -1,74 +0,0 @@
|
||||
// This source code is taken from https://www.ietf.org/rfc/rfc3174.txt
|
||||
|
||||
/*
|
||||
* sha1.h
|
||||
*
|
||||
* Description:
|
||||
* This is the header file for code which implements the Secure
|
||||
* Hashing Algorithm 1 as defined in FIPS PUB 180-1 published
|
||||
* April 17, 1995.
|
||||
*
|
||||
* Many of the variable names in this code, especially the
|
||||
* single character names, were used because those were the names
|
||||
* used in the publication.
|
||||
*
|
||||
* Please read the file sha1.c for more information.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef _SHA1_H_
|
||||
#define _SHA1_H_
|
||||
|
||||
#include <stdint.h>
|
||||
/*
|
||||
* If you do not have the ISO standard stdint.h header file, then you
|
||||
* must typdef the following:
|
||||
* name meaning
|
||||
* uint32_t unsigned 32 bit integer
|
||||
* uint8_t unsigned 8 bit integer (i.e., unsigned char)
|
||||
* int_least16_t integer of >= 16 bits
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef _SHA_enum_
|
||||
#define _SHA_enum_
|
||||
enum
|
||||
{
|
||||
shaSuccess = 0,
|
||||
shaNull, /* Null pointer parameter */
|
||||
shaInputTooLong, /* input data too long */
|
||||
shaStateError /* called Input after Result */
|
||||
};
|
||||
#endif
|
||||
#define SHA1HashSize 20
|
||||
|
||||
/*
|
||||
* This structure will hold context information for the SHA-1
|
||||
* hashing operation
|
||||
*/
|
||||
typedef struct SHA1Context
|
||||
{
|
||||
uint32_t Intermediate_Hash[SHA1HashSize/4]; /* Message Digest */
|
||||
|
||||
uint32_t Length_Low; /* Message length in bits */
|
||||
uint32_t Length_High; /* Message length in bits */
|
||||
|
||||
/* Index into message block array */
|
||||
int_least16_t Message_Block_Index;
|
||||
uint8_t Message_Block[64]; /* 512-bit message blocks */
|
||||
|
||||
int Computed; /* Is the digest computed? */
|
||||
int Corrupted; /* Is the message digest corrupted? */
|
||||
} SHA1Context;
|
||||
|
||||
/*
|
||||
* Function Prototypes
|
||||
*/
|
||||
int SHA1Reset( SHA1Context *);
|
||||
int SHA1Input( SHA1Context *,
|
||||
const uint8_t *,
|
||||
unsigned int);
|
||||
int SHA1Result( SHA1Context *,
|
||||
uint8_t Message_Digest[SHA1HashSize]);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user