27 #define DEFAULT_BLK_SZ 16  macro
48 	unsigned char rand_data[DEFAULT_BLK_SZ];
49 	unsigned char last_rand_data[DEFAULT_BLK_SZ];
50 	unsigned char DT[DEFAULT_BLK_SZ];
51 	unsigned char I[DEFAULT_BLK_SZ];
52 	unsigned char V[DEFAULT_BLK_SZ];
91 	unsigned char tmp[DEFAULT_BLK_SZ];  in _get_more_prng_bytes()
98 	hexdump("Input DT: ", ctx->DT, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
99 	hexdump("Input I: ", ctx->I, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
100 	hexdump("Input V: ", ctx->V, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
113 			memcpy(tmp, ctx->DT, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
115 			hexdump("tmp stage 0: ", tmp, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
124 			xor_vectors(ctx->I, ctx->V, tmp, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
125 			hexdump("tmp stage 1: ", tmp, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
134 					DEFAULT_BLK_SZ)) {  in _get_more_prng_bytes()
148 				DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
155 				DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
157 			hexdump("tmp stage 2: ", tmp, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
170 	for (i = DEFAULT_BLK_SZ - 1; i >= 0; i--) {  in _get_more_prng_bytes()
179 	hexdump("Output DT: ", ctx->DT, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
180 	hexdump("Output I: ", ctx->I, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
181 	hexdump("Output V: ", ctx->V, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
182 	hexdump("New Random Data: ", ctx->rand_data, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
208 		if (nbytes < DEFAULT_BLK_SZ)  in get_prng_bytes()
210 		byte_count = DEFAULT_BLK_SZ;  in get_prng_bytes()
224 	if (ctx->rand_data_valid == DEFAULT_BLK_SZ) {  in get_prng_bytes()
235 	if (byte_count < DEFAULT_BLK_SZ) {  in get_prng_bytes()
237 		while (ctx->rand_data_valid < DEFAULT_BLK_SZ) {  in get_prng_bytes()
250 	for (; byte_count >= DEFAULT_BLK_SZ; byte_count -= DEFAULT_BLK_SZ) {  in get_prng_bytes()
251 		if (ctx->rand_data_valid == DEFAULT_BLK_SZ) {  in get_prng_bytes()
260 		memcpy(ptr, ctx->rand_data, DEFAULT_BLK_SZ);  in get_prng_bytes()
261 		ctx->rand_data_valid += DEFAULT_BLK_SZ;  in get_prng_bytes()
262 		ptr += DEFAULT_BLK_SZ;  in get_prng_bytes()
299 		memcpy(ctx->V, V, DEFAULT_BLK_SZ);  in reset_prng_context()
301 		memcpy(ctx->V, DEFAULT_V_SEED, DEFAULT_BLK_SZ);  in reset_prng_context()
304 		memcpy(ctx->DT, DT, DEFAULT_BLK_SZ);  in reset_prng_context()
306 		memset(ctx->DT, 0, DEFAULT_BLK_SZ);  in reset_prng_context()
308 	memset(ctx->rand_data, 0, DEFAULT_BLK_SZ);  in reset_prng_context()
309 	memset(ctx->last_rand_data, 0, DEFAULT_BLK_SZ);  in reset_prng_context()
311 	ctx->rand_data_valid = DEFAULT_BLK_SZ;  in reset_prng_context()
373 	u8 *key = seed + DEFAULT_BLK_SZ;  in cprng_reset()
376 	if (slen < DEFAULT_PRNG_KSZ + DEFAULT_BLK_SZ)  in cprng_reset()
379 	if (slen >= (2 * DEFAULT_BLK_SZ + DEFAULT_PRNG_KSZ))  in cprng_reset()
400 	u8 rdata[DEFAULT_BLK_SZ];  in fips_cprng_reset()
401 	u8 *key = seed + DEFAULT_BLK_SZ;  in fips_cprng_reset()
406 	if (slen < DEFAULT_PRNG_KSZ + DEFAULT_BLK_SZ)  in fips_cprng_reset()
419 	rc = get_prng_bytes(rdata, DEFAULT_BLK_SZ, prng, 0);  in fips_cprng_reset()
420 	prng->rand_data_valid = DEFAULT_BLK_SZ;  in fips_cprng_reset()
441 			.seedsize = DEFAULT_PRNG_KSZ + 2*DEFAULT_BLK_SZ,
459 			.seedsize = DEFAULT_PRNG_KSZ + 2*DEFAULT_BLK_SZ,