52 void sha256_starts(sha256_context * ctx)  in sha256_starts()  argument
59 	ctx->cdev = NULL;  in sha256_starts()
60 	if (ctx->length) {  in sha256_starts()
61 		ctx->cdev = crypto_get_device(algo);  in sha256_starts()
62 		if (ctx->cdev) {  in sha256_starts()
64 			cctx.length = ctx->length;  in sha256_starts()
65 			crypto_sha_init(ctx->cdev, &cctx);  in sha256_starts()
71 	ctx->total[0] = 0;  in sha256_starts()
72 	ctx->total[1] = 0;  in sha256_starts()
74 	ctx->state[0] = 0x6A09E667;  in sha256_starts()
75 	ctx->state[1] = 0xBB67AE85;  in sha256_starts()
76 	ctx->state[2] = 0x3C6EF372;  in sha256_starts()
77 	ctx->state[3] = 0xA54FF53A;  in sha256_starts()
78 	ctx->state[4] = 0x510E527F;  in sha256_starts()
79 	ctx->state[5] = 0x9B05688C;  in sha256_starts()
80 	ctx->state[6] = 0x1F83D9AB;  in sha256_starts()
81 	ctx->state[7] = 0x5BE0CD19;  in sha256_starts()
84 static void sha256_process_one(sha256_context *ctx, const uint8_t data[64])  in sha256_process_one()  argument
131 	A = ctx->state[0];  in sha256_process_one()
132 	B = ctx->state[1];  in sha256_process_one()
133 	C = ctx->state[2];  in sha256_process_one()
134 	D = ctx->state[3];  in sha256_process_one()
135 	E = ctx->state[4];  in sha256_process_one()
136 	F = ctx->state[5];  in sha256_process_one()
137 	G = ctx->state[6];  in sha256_process_one()
138 	H = ctx->state[7];  in sha256_process_one()
205 	ctx->state[0] += A;  in sha256_process_one()
206 	ctx->state[1] += B;  in sha256_process_one()
207 	ctx->state[2] += C;  in sha256_process_one()
208 	ctx->state[3] += D;  in sha256_process_one()
209 	ctx->state[4] += E;  in sha256_process_one()
210 	ctx->state[5] += F;  in sha256_process_one()
211 	ctx->state[6] += G;  in sha256_process_one()
212 	ctx->state[7] += H;  in sha256_process_one()
215 __weak void sha256_process(sha256_context *ctx, const unsigned char *data,  in sha256_process()  argument
222 		sha256_process_one(ctx, data);  in sha256_process()
227 void sha256_update(sha256_context *ctx, const uint8_t *input, uint32_t length)  in sha256_update()  argument
236 	if (ctx->cdev) {  in sha256_update()
237 		crypto_sha_update(ctx->cdev, (void *)input, length);  in sha256_update()
242 	left = ctx->total[0] & 0x3F;  in sha256_update()
245 	ctx->total[0] += length;  in sha256_update()
246 	ctx->total[0] &= 0xFFFFFFFF;  in sha256_update()
248 	if (ctx->total[0] < length)  in sha256_update()
249 		ctx->total[1]++;  in sha256_update()
252 		memcpy((void *) (ctx->buffer + left), (void *) input, fill);  in sha256_update()
253 		sha256_process(ctx, ctx->buffer, 1);  in sha256_update()
259 	sha256_process(ctx, input, length / 64);  in sha256_update()
264 		memcpy((void *) (ctx->buffer + left), (void *) input, length);  in sha256_update()
274 void sha256_finish(sha256_context * ctx, uint8_t digest[32])  in sha256_finish()  argument
284 	if (ctx->cdev) {  in sha256_finish()
286 		cctx.length = ctx->length;  in sha256_finish()
287 		crypto_sha_final(ctx->cdev, &cctx, digest);  in sha256_finish()
292 	high = ((ctx->total[0] >> 29)  in sha256_finish()
293 		| (ctx->total[1] << 3));  in sha256_finish()
294 	low = (ctx->total[0] << 3);  in sha256_finish()
299 	last = ctx->total[0] & 0x3F;  in sha256_finish()
302 	sha256_update(ctx, sha256_padding, padn);  in sha256_finish()
303 	sha256_update(ctx, msglen, 8);  in sha256_finish()
305 	PUT_UINT32_BE(ctx->state[0], digest, 0);  in sha256_finish()
306 	PUT_UINT32_BE(ctx->state[1], digest, 4);  in sha256_finish()
307 	PUT_UINT32_BE(ctx->state[2], digest, 8);  in sha256_finish()
308 	PUT_UINT32_BE(ctx->state[3], digest, 12);  in sha256_finish()
309 	PUT_UINT32_BE(ctx->state[4], digest, 16);  in sha256_finish()
310 	PUT_UINT32_BE(ctx->state[5], digest, 20);  in sha256_finish()
311 	PUT_UINT32_BE(ctx->state[6], digest, 24);  in sha256_finish()
312 	PUT_UINT32_BE(ctx->state[7], digest, 28);  in sha256_finish()
321 	sha256_context ctx;  in sha256_csum()  local
325 	ctx.length = ilen;  in sha256_csum()
328 	sha256_starts(&ctx);  in sha256_csum()
329 	sha256_update(&ctx, input, ilen);  in sha256_csum()
330 	sha256_finish(&ctx, output);  in sha256_csum()
340 	sha256_context ctx;  in sha256_csum_wd()  local
349 	ctx.length = ilen;  in sha256_csum_wd()
352 	sha256_starts(&ctx);  in sha256_csum_wd()
361 		sha256_update(&ctx, curr, chunk);  in sha256_csum_wd()
366 	sha256_update(&ctx, input, ilen);  in sha256_csum_wd()
369 	sha256_finish(&ctx, output);  in sha256_csum_wd()