50 void sha1_starts (sha1_context * ctx)  in sha1_starts()  argument
52 	ctx->total[0] = 0;  in sha1_starts()
53 	ctx->total[1] = 0;  in sha1_starts()
55 	ctx->state[0] = 0x67452301;  in sha1_starts()
56 	ctx->state[1] = 0xEFCDAB89;  in sha1_starts()
57 	ctx->state[2] = 0x98BADCFE;  in sha1_starts()
58 	ctx->state[3] = 0x10325476;  in sha1_starts()
59 	ctx->state[4] = 0xC3D2E1F0;  in sha1_starts()
62 static void sha1_process(sha1_context *ctx, const unsigned char data[64])  in sha1_process()  argument
95 	A = ctx->state[0];  in sha1_process()
96 	B = ctx->state[1];  in sha1_process()
97 	C = ctx->state[2];  in sha1_process()
98 	D = ctx->state[3];  in sha1_process()
99 	E = ctx->state[4];  in sha1_process()
209 	ctx->state[0] += A;  in sha1_process()
210 	ctx->state[1] += B;  in sha1_process()
211 	ctx->state[2] += C;  in sha1_process()
212 	ctx->state[3] += D;  in sha1_process()
213 	ctx->state[4] += E;  in sha1_process()
224 void sha1_update(sha1_context *ctx, const unsigned char *input,  in sha1_update()  argument
233 	left = ctx->total[0] & 0x3F;  in sha1_update()
236 	ctx->total[0] += ilen;  in sha1_update()
237 	ctx->total[0] &= 0xFFFFFFFF;  in sha1_update()
239 	if (ctx->total[0] < (unsigned long) ilen)  in sha1_update()
240 		ctx->total[1]++;  in sha1_update()
243 		memcpy ((void *) (ctx->buffer + left), (void *) input, fill);  in sha1_update()
244 		sha1_process (ctx, ctx->buffer);  in sha1_update()
251 		sha1_process (ctx, input);  in sha1_update()
257 		memcpy ((void *) (ctx->buffer + left), (void *) input, ilen);  in sha1_update()
272 void sha1_finish (sha1_context * ctx, unsigned char output[20])  in sha1_finish()  argument
278 	high = (ctx->total[0] >> 29)  in sha1_finish()
279 		| (ctx->total[1] << 3);  in sha1_finish()
280 	low = (ctx->total[0] << 3);  in sha1_finish()
285 	last = ctx->total[0] & 0x3F;  in sha1_finish()
288 	sha1_update (ctx, (unsigned char *) sha1_padding, padn);  in sha1_finish()
289 	sha1_update (ctx, msglen, 8);  in sha1_finish()
291 	PUT_UINT32_BE (ctx->state[0], output, 0);  in sha1_finish()
292 	PUT_UINT32_BE (ctx->state[1], output, 4);  in sha1_finish()
293 	PUT_UINT32_BE (ctx->state[2], output, 8);  in sha1_finish()
294 	PUT_UINT32_BE (ctx->state[3], output, 12);  in sha1_finish()
295 	PUT_UINT32_BE (ctx->state[4], output, 16);  in sha1_finish()
305 	sha1_context ctx;  in sha1_csum()  local
307 	sha1_starts (&ctx);  in sha1_csum()
308 	sha1_update (&ctx, input, ilen);  in sha1_csum()
309 	sha1_finish (&ctx, output);  in sha1_csum()
319 void sha256_starts(sha256_context * ctx)  in sha256_starts()  argument
321 	ctx->total[0] = 0;  in sha256_starts()
322 	ctx->total[1] = 0;  in sha256_starts()
324 	ctx->state[0] = 0x6A09E667;  in sha256_starts()
325 	ctx->state[1] = 0xBB67AE85;  in sha256_starts()
326 	ctx->state[2] = 0x3C6EF372;  in sha256_starts()
327 	ctx->state[3] = 0xA54FF53A;  in sha256_starts()
328 	ctx->state[4] = 0x510E527F;  in sha256_starts()
329 	ctx->state[5] = 0x9B05688C;  in sha256_starts()
330 	ctx->state[6] = 0x1F83D9AB;  in sha256_starts()
331 	ctx->state[7] = 0x5BE0CD19;  in sha256_starts()
334 static void sha256_process(sha256_context *ctx, const uint8_t data[64])  in sha256_process()  argument
381 	A = ctx->state[0];  in sha256_process()
382 	B = ctx->state[1];  in sha256_process()
383 	C = ctx->state[2];  in sha256_process()
384 	D = ctx->state[3];  in sha256_process()
385 	E = ctx->state[4];  in sha256_process()
386 	F = ctx->state[5];  in sha256_process()
387 	G = ctx->state[6];  in sha256_process()
388 	H = ctx->state[7];  in sha256_process()
455 	ctx->state[0] += A;  in sha256_process()
456 	ctx->state[1] += B;  in sha256_process()
457 	ctx->state[2] += C;  in sha256_process()
458 	ctx->state[3] += D;  in sha256_process()
459 	ctx->state[4] += E;  in sha256_process()
460 	ctx->state[5] += F;  in sha256_process()
461 	ctx->state[6] += G;  in sha256_process()
462 	ctx->state[7] += H;  in sha256_process()
477 void sha256_update(sha256_context *ctx, const uint8_t *input, uint32_t length)  in sha256_update()  argument
484 	left = ctx->total[0] & 0x3F;  in sha256_update()
487 	ctx->total[0] += length;  in sha256_update()
488 	ctx->total[0] &= 0xFFFFFFFF;  in sha256_update()
490 	if (ctx->total[0] < length)  in sha256_update()
491 		ctx->total[1]++;  in sha256_update()
494 		memcpy((void *) (ctx->buffer + left), (void *) input, fill);  in sha256_update()
495 		sha256_process(ctx, ctx->buffer);  in sha256_update()
502 		sha256_process(ctx, input);  in sha256_update()
508 		memcpy((void *) (ctx->buffer + left), (void *) input, length);  in sha256_update()
519 void sha256_finish(sha256_context * ctx, uint8_t digest[32])  in sha256_finish()  argument
525 	high = ((ctx->total[0] >> 29)  in sha256_finish()
526 		| (ctx->total[1] << 3));  in sha256_finish()
527 	low = (ctx->total[0] << 3);  in sha256_finish()
532 	last = ctx->total[0] & 0x3F;  in sha256_finish()
535 	sha256_update(ctx, sha256_padding, padn);  in sha256_finish()
536 	sha256_update(ctx, msglen, 8);  in sha256_finish()
538 	PUT_UINT32_BE(ctx->state[0], digest, 0);  in sha256_finish()
539 	PUT_UINT32_BE(ctx->state[1], digest, 4);  in sha256_finish()
540 	PUT_UINT32_BE(ctx->state[2], digest, 8);  in sha256_finish()
541 	PUT_UINT32_BE(ctx->state[3], digest, 12);  in sha256_finish()
542 	PUT_UINT32_BE(ctx->state[4], digest, 16);  in sha256_finish()
543 	PUT_UINT32_BE(ctx->state[5], digest, 20);  in sha256_finish()
544 	PUT_UINT32_BE(ctx->state[6], digest, 24);  in sha256_finish()
545 	PUT_UINT32_BE(ctx->state[7], digest, 28);  in sha256_finish()
555 	sha256_context ctx;  in sha256_csum()  local
557 	sha256_starts(&ctx);  in sha256_csum()
558 	sha256_update(&ctx, input, ilen);  in sha256_csum()
559 	sha256_finish(&ctx, output);  in sha256_csum()