aboutsummaryrefslogtreecommitdiff
path: root/modules/benchmark/sha1.c
diff options
context:
space:
mode:
authorSimon Quigley <tsimonq2@ubuntu.com>2017-06-19 15:19:47 -0500
committerSimon Quigley <tsimonq2@ubuntu.com>2017-06-19 15:19:47 -0500
commit7aacc9f2510901c9e97b30fa9bcb550bb7f99c03 (patch)
tree16908948750c11da8332d80d8bb9b339399ee4d7 /modules/benchmark/sha1.c
parent7c47b5b9584f5011aeba18d7e1b26b3d3124825f (diff)
New upstream version 0.5.1+git20170605
Diffstat (limited to 'modules/benchmark/sha1.c')
-rw-r--r--modules/benchmark/sha1.c329
1 files changed, 329 insertions, 0 deletions
diff --git a/modules/benchmark/sha1.c b/modules/benchmark/sha1.c
new file mode 100644
index 00000000..b94ce254
--- /dev/null
+++ b/modules/benchmark/sha1.c
@@ -0,0 +1,329 @@
+/*
+SHA-1 in C
+By Steve Reid <steve@edmweb.com>
+100% Public Domain
+
+Test Vectors (from FIPS PUB 180-1)
+"abc"
+ A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D
+"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
+ 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1
+A million repetitions of "a"
+ 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
+*/
+
+
+/* #define SHA1HANDSOFF * Copies data before messing with it. */
+
+#include <stdio.h>
+#include <string.h>
+#include <sha1.h>
+
+#if defined(__OPTIMIZE__)
+#error You must compile this program without "-O".
+#endif
+
+
+#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
+
+/* blk0() and blk() perform the initial expand. */
+/* I got the idea of expanding during the round function from SSLeay */
+#ifdef LITTLE_ENDIAN
+#define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
+ |(rol(block->l[i],8)&0x00FF00FF))
+#else
+#define blk0(i) block->l[i]
+#endif
+#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
+ ^block->l[(i+2)&15]^block->l[i&15],1))
+
+/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
+#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
+#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
+#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
+#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
+#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
+
+
+/* Hash a single 512-bit block. This is the core of the algorithm. */
+
+void SHA1Transform(guint32 state[5], guchar buffer[64])
+{
+ guint32 a, b, c, d, e;
+ typedef union {
+ guchar c[64];
+ guint32 l[16];
+ } CHAR64LONG16;
+ CHAR64LONG16 *block;
+#ifdef SHA1HANDSOFF
+ static guchar workspace[64];
+ block = (CHAR64LONG16 *) workspace;
+ memcpy(block, buffer, 64);
+#else
+ block = (CHAR64LONG16 *) buffer;
+#endif
+ /* Copy context->state[] to working vars */
+ a = state[0];
+ b = state[1];
+ c = state[2];
+ d = state[3];
+ e = state[4];
+ /* 4 rounds of 20 operations each. Loop unrolled. */
+ R0(a, b, c, d, e, 0);
+ R0(e, a, b, c, d, 1);
+ R0(d, e, a, b, c, 2);
+ R0(c, d, e, a, b, 3);
+ R0(b, c, d, e, a, 4);
+ R0(a, b, c, d, e, 5);
+ R0(e, a, b, c, d, 6);
+ R0(d, e, a, b, c, 7);
+ R0(c, d, e, a, b, 8);
+ R0(b, c, d, e, a, 9);
+ R0(a, b, c, d, e, 10);
+ R0(e, a, b, c, d, 11);
+ R0(d, e, a, b, c, 12);
+ R0(c, d, e, a, b, 13);
+ R0(b, c, d, e, a, 14);
+ R0(a, b, c, d, e, 15);
+ R1(e, a, b, c, d, 16);
+ R1(d, e, a, b, c, 17);
+ R1(c, d, e, a, b, 18);
+ R1(b, c, d, e, a, 19);
+ R2(a, b, c, d, e, 20);
+ R2(e, a, b, c, d, 21);
+ R2(d, e, a, b, c, 22);
+ R2(c, d, e, a, b, 23);
+ R2(b, c, d, e, a, 24);
+ R2(a, b, c, d, e, 25);
+ R2(e, a, b, c, d, 26);
+ R2(d, e, a, b, c, 27);
+ R2(c, d, e, a, b, 28);
+ R2(b, c, d, e, a, 29);
+ R2(a, b, c, d, e, 30);
+ R2(e, a, b, c, d, 31);
+ R2(d, e, a, b, c, 32);
+ R2(c, d, e, a, b, 33);
+ R2(b, c, d, e, a, 34);
+ R2(a, b, c, d, e, 35);
+ R2(e, a, b, c, d, 36);
+ R2(d, e, a, b, c, 37);
+ R2(c, d, e, a, b, 38);
+ R2(b, c, d, e, a, 39);
+ R3(a, b, c, d, e, 40);
+ R3(e, a, b, c, d, 41);
+ R3(d, e, a, b, c, 42);
+ R3(c, d, e, a, b, 43);
+ R3(b, c, d, e, a, 44);
+ R3(a, b, c, d, e, 45);
+ R3(e, a, b, c, d, 46);
+ R3(d, e, a, b, c, 47);
+ R3(c, d, e, a, b, 48);
+ R3(b, c, d, e, a, 49);
+ R3(a, b, c, d, e, 50);
+ R3(e, a, b, c, d, 51);
+ R3(d, e, a, b, c, 52);
+ R3(c, d, e, a, b, 53);
+ R3(b, c, d, e, a, 54);
+ R3(a, b, c, d, e, 55);
+ R3(e, a, b, c, d, 56);
+ R3(d, e, a, b, c, 57);
+ R3(c, d, e, a, b, 58);
+ R3(b, c, d, e, a, 59);
+ R4(a, b, c, d, e, 60);
+ R4(e, a, b, c, d, 61);
+ R4(d, e, a, b, c, 62);
+ R4(c, d, e, a, b, 63);
+ R4(b, c, d, e, a, 64);
+ R4(a, b, c, d, e, 65);
+ R4(e, a, b, c, d, 66);
+ R4(d, e, a, b, c, 67);
+ R4(c, d, e, a, b, 68);
+ R4(b, c, d, e, a, 69);
+ R4(a, b, c, d, e, 70);
+ R4(e, a, b, c, d, 71);
+ R4(d, e, a, b, c, 72);
+ R4(c, d, e, a, b, 73);
+ R4(b, c, d, e, a, 74);
+ R4(a, b, c, d, e, 75);
+ R4(e, a, b, c, d, 76);
+ R4(d, e, a, b, c, 77);
+ R4(c, d, e, a, b, 78);
+ R4(b, c, d, e, a, 79);
+ /* Add the working vars back into context.state[] */
+ state[0] += a;
+ state[1] += b;
+ state[2] += c;
+ state[3] += d;
+ state[4] += e;
+ /* Wipe variables */
+ a = b = c = d = e = 0;
+}
+
+
+/* SHA1Init - Initialize new context */
+
+void SHA1Init(SHA1_CTX * context)
+{
+ /* SHA1 initialization constants */
+ context->state[0] = 0x67452301;
+ context->state[1] = 0xEFCDAB89;
+ context->state[2] = 0x98BADCFE;
+ context->state[3] = 0x10325476;
+ context->state[4] = 0xC3D2E1F0;
+ context->count[0] = context->count[1] = 0;
+}
+
+
+/* Run your data through this. */
+
+void SHA1Update(SHA1_CTX * context, guchar * data, guint32 len)
+{
+ guint32 i, j;
+
+ j = (context->count[0] >> 3) & 63;
+ if ((context->count[0] += len << 3) < (len << 3))
+ context->count[1]++;
+ context->count[1] += (len >> 29);
+ if ((j + len) > 63) {
+ memcpy(&context->buffer[j], data, (i = 64 - j));
+ SHA1Transform(context->state, context->buffer);
+ for (; i + 63 < len; i += 64) {
+ SHA1Transform(context->state, &data[i]);
+ }
+ j = 0;
+ } else
+ i = 0;
+ memcpy(&context->buffer[j], &data[i], len - i);
+}
+
+
+/* Add padding and return the message digest. */
+
+void SHA1Final(guchar digest[20], SHA1_CTX * context)
+{
+ guint32 i, j;
+ guchar finalcount[8];
+
+ for (i = 0; i < 8; i++) {
+ finalcount[i] = (guchar) ((context->count[(i >= 4 ? 0 : 1)]
+ >> ((3 - (i & 3)) * 8)) & 255); /* Endian independent */
+ }
+ SHA1Update(context, (guchar *) "\200", 1);
+ while ((context->count[0] & 504) != 448) {
+ SHA1Update(context, (guchar *) "\0", 1);
+ }
+ SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */
+ for (i = 0; i < 20; i++) {
+ digest[i] = (guchar)
+ ((context->state[i >> 2] >> ((3 - (i & 3)) * 8)) & 255);
+ }
+ /* Wipe variables */
+ i = j = 0;
+ memset(context->buffer, 0, 64);
+ memset(context->state, 0, 20);
+ memset(context->count, 0, 8);
+ memset(&finalcount, 0, 8);
+#ifdef SHA1HANDSOFF /* make SHA1Transform overwrite it's own static vars */
+ SHA1Transform(context->state, context->buffer);
+#endif
+}
+
+#ifdef SHA1_TEST
+static char *b32_alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
+
+static void base32_encode_exactly(guchar * buf, gint len,
+ guchar * encbuf, gint enclen)
+{
+ gint i = 0;
+ guchar *ip = buf + len;
+ guchar *op = encbuf + enclen;
+
+ switch (len % 5) {
+ case 0:
+ do {
+ g_assert(op - encbuf >= 8);
+ i = *--ip; /* Input #4 */
+ *--op = b32_alphabet[i & 0x1f]; /* Ouput #7 */
+ i >>= 5; /* upper <234>, input #4 */
+ /* FALLTHROUGH */
+ case 4:
+ i |= ((guint32) * --ip) << 3; /* had 3 bits in `i' */
+ *--op = b32_alphabet[i & 0x1f]; /* Output #6 */
+ i >>= 5; /* upper <401234>, input #3 */
+ *--op = b32_alphabet[i & 0x1f]; /* Output #5 */
+ i >>= 5; /* upper <4>, input #3 */
+ /* FALLTHROUGH */
+ case 3:
+ i |= ((guint32) * --ip) << 1; /* had 1 bits in `i' */
+ *--op = b32_alphabet[i & 0x1f]; /* Output #4 */
+ i >>= 5; /* upper <1234>, input #2 */
+ /* FALLTHROUGH */
+ case 2:
+ i |= ((guint32) * --ip) << 4; /* had 4 bits in `i' */
+ *--op = b32_alphabet[i & 0x1f]; /* Output #3 */
+ i >>= 5; /* upper <3401234>, input #1 */
+ *--op = b32_alphabet[i & 0x1f]; /* Output #2 */
+ i >>= 5; /* upper <34>, input #1 */
+ /* FALLTHROUGH */
+ case 1:
+ i |= ((guint32) * --ip) << 2; /* had 2 bits in `i' */
+ *--op = b32_alphabet[i & 0x1f]; /* Output #1 */
+ i >>= 5; /* upper <01234>, input #0 */
+ *--op = b32_alphabet[i & 0x1f]; /* Output #0 */
+ i >>= 5; /* Holds nothing, MBZ */
+ g_assert(i == 0);
+ g_assert(op >= encbuf);
+ } while (op > encbuf);
+ }
+}
+
+
+
+/*************************************************************/
+
+int main(int argc, char **argv)
+{
+ gint i, j;
+ SHA1_CTX context;
+ guchar digest[20], buffer[16384];
+ FILE *file;
+
+ if (argc > 2) {
+ puts("Public domain SHA-1 implementation - by Steve Reid <steve@edmweb.com>");
+ puts("Produces the SHA-1 hash of a file, or stdin if no file is specified.");
+ exit(0);
+ }
+ if (argc < 2) {
+ file = stdin;
+ } else {
+ if (!(file = fopen(argv[1], "rb"))) {
+ fputs("Unable to open file.", stderr);
+ exit(-1);
+ }
+ }
+ SHA1Init(&context);
+ while (!feof(file)) { /* note: what if ferror(file) */
+ i = fread(buffer, 1, 16384, file);
+ SHA1Update(&context, buffer, i);
+ }
+ SHA1Final(digest, &context);
+ fclose(file);
+
+ for (i = 0; i < 5; i++) {
+ for (j = 0; j < 4; j++) {
+ printf("%02X", digest[i*4+j]);
+ }
+ putchar(' ');
+ }
+ putchar('\n');
+
+ {
+ guchar tmp[33];
+ tmp[32] = '\0';
+ base32_encode_exactly(digest, 20, tmp, 32);
+ printf("%s\n", tmp);
+ }
+
+ exit(0);
+}
+#endif /* SHA1_TEST */