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Diffstat (limited to 'protocols/Twitter/src/oauth/sha1.c')
-rw-r--r--protocols/Twitter/src/oauth/sha1.c317
1 files changed, 0 insertions, 317 deletions
diff --git a/protocols/Twitter/src/oauth/sha1.c b/protocols/Twitter/src/oauth/sha1.c
deleted file mode 100644
index c3189008ac..0000000000
--- a/protocols/Twitter/src/oauth/sha1.c
+++ /dev/null
@@ -1,317 +0,0 @@
-/* This code is public-domain - it is based on libcrypt
- * placed in the public domain by Wei Dai and other contributors.
- */
-// gcc -Wall -DSHA1TEST -o sha1test sha1.c && ./sha1test
-
-#include <stdint.h>
-#include <string.h>
-
-/* header */
-
-#define HASH_LENGTH 20
-#define BLOCK_LENGTH 64
-
-union _buffer {
- uint8_t b[BLOCK_LENGTH];
- uint32_t w[BLOCK_LENGTH/4];
-};
-
-union _state {
- uint8_t b[HASH_LENGTH];
- uint32_t w[HASH_LENGTH/4];
-};
-
-typedef struct sha1nfo {
- union _buffer buffer;
- uint8_t bufferOffset;
- union _state state;
- uint32_t byteCount;
- uint8_t keyBuffer[BLOCK_LENGTH];
- uint8_t innerHash[HASH_LENGTH];
-} sha1nfo;
-
-/* public API - prototypes - TODO: doxygen*/
-
-/**
- */
-void sha1_init(sha1nfo *s);
-/**
- */
-void sha1_writebyte(sha1nfo *s, uint8_t data);
-/**
- */
-void sha1_write(sha1nfo *s, const char *data, size_t len);
-/**
- */
-uint8_t* sha1_result(sha1nfo *s);
-/**
- */
-void sha1_initHmac(sha1nfo *s, const uint8_t* key, int keyLength);
-/**
- */
-uint8_t* sha1_resultHmac(sha1nfo *s);
-
-
-/* code */
-#define SHA1_K0 0x5a827999
-#define SHA1_K20 0x6ed9eba1
-#define SHA1_K40 0x8f1bbcdc
-#define SHA1_K60 0xca62c1d6
-
-const uint8_t sha1InitState[] = {
- 0x01,0x23,0x45,0x67, // H0
- 0x89,0xab,0xcd,0xef, // H1
- 0xfe,0xdc,0xba,0x98, // H2
- 0x76,0x54,0x32,0x10, // H3
- 0xf0,0xe1,0xd2,0xc3 // H4
-};
-
-void sha1_init(sha1nfo *s) {
- memcpy(s->state.b,sha1InitState,HASH_LENGTH);
- s->byteCount = 0;
- s->bufferOffset = 0;
-}
-
-uint32_t sha1_rol32(uint32_t number, uint8_t bits) {
- return ((number << bits) | (number >> (32-bits)));
-}
-
-void sha1_hashBlock(sha1nfo *s) {
- uint8_t i;
- uint32_t a,b,c,d,e,t;
-
- a=s->state.w[0];
- b=s->state.w[1];
- c=s->state.w[2];
- d=s->state.w[3];
- e=s->state.w[4];
- for (i=0; i<80; i++) {
- if (i>=16) {
- t = s->buffer.w[(i+13)&15] ^ s->buffer.w[(i+8)&15] ^ s->buffer.w[(i+2)&15] ^ s->buffer.w[i&15];
- s->buffer.w[i&15] = sha1_rol32(t,1);
- }
- if (i<20) {
- t = (d ^ (b & (c ^ d))) + SHA1_K0;
- } else if (i<40) {
- t = (b ^ c ^ d) + SHA1_K20;
- } else if (i<60) {
- t = ((b & c) | (d & (b | c))) + SHA1_K40;
- } else {
- t = (b ^ c ^ d) + SHA1_K60;
- }
- t+=sha1_rol32(a,5) + e + s->buffer.w[i&15];
- e=d;
- d=c;
- c=sha1_rol32(b,30);
- b=a;
- a=t;
- }
- s->state.w[0] += a;
- s->state.w[1] += b;
- s->state.w[2] += c;
- s->state.w[3] += d;
- s->state.w[4] += e;
-}
-
-void sha1_addUncounted(sha1nfo *s, uint8_t data) {
- s->buffer.b[s->bufferOffset ^ 3] = data;
- s->bufferOffset++;
- if (s->bufferOffset == BLOCK_LENGTH) {
- sha1_hashBlock(s);
- s->bufferOffset = 0;
- }
-}
-
-void sha1_writebyte(sha1nfo *s, uint8_t data) {
- ++s->byteCount;
- sha1_addUncounted(s, data);
-}
-
-void sha1_write(sha1nfo *s, const char *data, size_t len) {
- for (;len--;) sha1_writebyte(s, (uint8_t) *data++);
-}
-
-void sha1_pad(sha1nfo *s) {
- // Implement SHA-1 padding (fips180-2 ยง5.1.1)
-
- // Pad with 0x80 followed by 0x00 until the end of the block
- sha1_addUncounted(s, 0x80);
- while (s->bufferOffset != 56) sha1_addUncounted(s, 0x00);
-
- // Append length in the last 8 bytes
- sha1_addUncounted(s, 0); // We're only using 32 bit lengths
- sha1_addUncounted(s, 0); // But SHA-1 supports 64 bit lengths
- sha1_addUncounted(s, 0); // So zero pad the top bits
- sha1_addUncounted(s, s->byteCount >> 29); // Shifting to multiply by 8
- sha1_addUncounted(s, s->byteCount >> 21); // as SHA-1 supports bitstreams as well as
- sha1_addUncounted(s, s->byteCount >> 13); // byte.
- sha1_addUncounted(s, s->byteCount >> 5);
- sha1_addUncounted(s, s->byteCount << 3);
-}
-
-uint8_t* sha1_result(sha1nfo *s) {
- int i;
- // Pad to complete the last block
- sha1_pad(s);
-
- // Swap byte order back
- for (i=0; i<5; i++) {
- uint32_t a,b;
- a=s->state.w[i];
- b=a<<24;
- b|=(a<<8) & 0x00ff0000;
- b|=(a>>8) & 0x0000ff00;
- b|=a>>24;
- s->state.w[i]=b;
- }
-
- // Return pointer to hash (20 characters)
- return s->state.b;
-}
-
-#define HMAC_IPAD 0x36
-#define HMAC_OPAD 0x5c
-
-void sha1_initHmac(sha1nfo *s, const uint8_t* key, int keyLength) {
- uint8_t i;
- memset(s->keyBuffer, 0, BLOCK_LENGTH);
- if (keyLength > BLOCK_LENGTH) {
- // Hash long keys
- sha1_init(s);
- for (;keyLength--;) sha1_writebyte(s, *key++);
- memcpy(s->keyBuffer, sha1_result(s), HASH_LENGTH);
- } else {
- // Block length keys are used as is
- memcpy(s->keyBuffer, key, keyLength);
- }
- // Start inner hash
- sha1_init(s);
- for (i=0; i<BLOCK_LENGTH; i++) {
- sha1_writebyte(s, s->keyBuffer[i] ^ HMAC_IPAD);
- }
-}
-
-uint8_t* sha1_resultHmac(sha1nfo *s) {
- uint8_t i;
- // Complete inner hash
- memcpy(s->innerHash,sha1_result(s),HASH_LENGTH);
- // Calculate outer hash
- sha1_init(s);
- for (i=0; i<BLOCK_LENGTH; i++) sha1_writebyte(s, s->keyBuffer[i] ^ HMAC_OPAD);
- for (i=0; i<HASH_LENGTH; i++) sha1_writebyte(s, s->innerHash[i]);
- return sha1_result(s);
-}
-
-/* self-test */
-
-#if SHA1TEST
-#include <stdio.h>
-
-uint8_t hmacKey1[]={
- 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,
- 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f,
- 0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,
- 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f
-};
-uint8_t hmacKey2[]={
- 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f,
- 0x40,0x41,0x42,0x43
-};
-uint8_t hmacKey3[]={
- 0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f,
- 0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x6f,
- 0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e,0x7f,
- 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,
- 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f,
- 0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf,
- 0xb0,0xb1,0xb2,0xb3
-};
-uint8_t hmacKey4[]={
- 0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e,0x7f,
- 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,
- 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f,
- 0xa0
-};
-
-void printHash(uint8_t* hash) {
- int i;
- for (i=0; i<20; i++) {
- printf("%02x", hash[i]);
- }
- printf("\n");
-}
-
-
-int main (int argc, char **argv) {
- uint32_t a;
- sha1nfo s;
-
- // SHA tests
- printf("Test: FIPS 180-2 C.1 and RFC3174 7.3 TEST1\n");
- printf("Expect:a9993e364706816aba3e25717850c26c9cd0d89d\n");
- printf("Result:");
- sha1_init(&s);
- sha1_write(&s, "abc", 3);
- printHash(sha1_result(&s));
- printf("\n\n");
-
- printf("Test: FIPS 180-2 C.2 and RFC3174 7.3 TEST2\n");
- printf("Expect:84983e441c3bd26ebaae4aa1f95129e5e54670f1\n");
- printf("Result:");
- sha1_init(&s);
- sha1_write(&s, "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 56);
- printHash(sha1_result(&s));
- printf("\n\n");
-
- printf("Test: RFC3174 7.3 TEST4\n");
- printf("Expect:dea356a2cddd90c7a7ecedc5ebb563934f460452\n");
- printf("Result:");
- sha1_init(&s);
- for (a=0; a<80; a++) sha1_write(&s, "01234567", 8);
- printHash(sha1_result(&s));
- printf("\n\n");
-
- // HMAC tests
- printf("Test: FIPS 198a A.1\n");
- printf("Expect:4f4ca3d5d68ba7cc0a1208c9c61e9c5da0403c0a\n");
- printf("Result:");
- sha1_initHmac(&s, hmacKey1, 64);
- sha1_write(&s, "Sample #1",9);
- printHash(sha1_resultHmac(&s));
- printf("\n\n");
-
- printf("Test: FIPS 198a A.2\n");
- printf("Expect:0922d3405faa3d194f82a45830737d5cc6c75d24\n");
- printf("Result:");
- sha1_initHmac(&s, hmacKey2, 20);
- sha1_write(&s, "Sample #2", 9);
- printHash(sha1_resultHmac(&s));
- printf("\n\n");
-
- printf("Test: FIPS 198a A.3\n");
- printf("Expect:bcf41eab8bb2d802f3d05caf7cb092ecf8d1a3aa\n");
- printf("Result:");
- sha1_initHmac(&s, hmacKey3,100);
- sha1_write(&s, "Sample #3", 9);
- printHash(sha1_resultHmac(&s));
- printf("\n\n");
-
- printf("Test: FIPS 198a A.4\n");
- printf("Expect:9ea886efe268dbecce420c7524df32e0751a2a26\n");
- printf("Result:");
- sha1_initHmac(&s, hmacKey4,49);
- sha1_write(&s, "Sample #4", 9);
- printHash(sha1_resultHmac(&s));
- printf("\n\n");
-
- // Long tests
- printf("Test: FIPS 180-2 C.3 and RFC3174 7.3 TEST3\n");
- printf("Expect:34aa973cd4c4daa4f61eeb2bdbad27316534016f\n");
- printf("Result:");
- sha1_init(&s);
- for (a=0; a<1000000; a++) sha1_writebyte(&s, 'a');
- printHash(sha1_result(&s));
-
- return 0;
-}
-#endif /* self-test */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 07:29:37 +0000