19 #define DEFAULT_BLK_SZ 16  macro
40 	unsigned char rand_data[DEFAULT_BLK_SZ];
41 	unsigned char last_rand_data[DEFAULT_BLK_SZ];
42 	unsigned char DT[DEFAULT_BLK_SZ];
43 	unsigned char I[DEFAULT_BLK_SZ];
44 	unsigned char V[DEFAULT_BLK_SZ];
83 	unsigned char tmp[DEFAULT_BLK_SZ];  in _get_more_prng_bytes()
90 	hexdump("Input DT: ", ctx->DT, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
91 	hexdump("Input I: ", ctx->I, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
92 	hexdump("Input V: ", ctx->V, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
105 			memcpy(tmp, ctx->DT, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
107 			hexdump("tmp stage 0: ", tmp, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
116 			xor_vectors(ctx->I, ctx->V, tmp, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
117 			hexdump("tmp stage 1: ", tmp, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
126 					DEFAULT_BLK_SZ)) {  in _get_more_prng_bytes()
140 				DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
147 				DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
149 			hexdump("tmp stage 2: ", tmp, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
162 	for (i = DEFAULT_BLK_SZ - 1; i >= 0; i--) {  in _get_more_prng_bytes()
171 	hexdump("Output DT: ", ctx->DT, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
172 	hexdump("Output I: ", ctx->I, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
173 	hexdump("Output V: ", ctx->V, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
174 	hexdump("New Random Data: ", ctx->rand_data, DEFAULT_BLK_SZ);  in _get_more_prng_bytes()
200 		if (nbytes < DEFAULT_BLK_SZ)  in get_prng_bytes()
202 		byte_count = DEFAULT_BLK_SZ;  in get_prng_bytes()
216 	if (ctx->rand_data_valid == DEFAULT_BLK_SZ) {  in get_prng_bytes()
227 	if (byte_count < DEFAULT_BLK_SZ) {  in get_prng_bytes()
229 		while (ctx->rand_data_valid < DEFAULT_BLK_SZ) {  in get_prng_bytes()
242 	for (; byte_count >= DEFAULT_BLK_SZ; byte_count -= DEFAULT_BLK_SZ) {  in get_prng_bytes()
243 		if (ctx->rand_data_valid == DEFAULT_BLK_SZ) {  in get_prng_bytes()
252 		memcpy(ptr, ctx->rand_data, DEFAULT_BLK_SZ);  in get_prng_bytes()
253 		ctx->rand_data_valid += DEFAULT_BLK_SZ;  in get_prng_bytes()
254 		ptr += DEFAULT_BLK_SZ;  in get_prng_bytes()
291 		memcpy(ctx->V, V, DEFAULT_BLK_SZ);  in reset_prng_context()
293 		memcpy(ctx->V, DEFAULT_V_SEED, DEFAULT_BLK_SZ);  in reset_prng_context()
296 		memcpy(ctx->DT, DT, DEFAULT_BLK_SZ);  in reset_prng_context()
298 		memset(ctx->DT, 0, DEFAULT_BLK_SZ);  in reset_prng_context()
300 	memset(ctx->rand_data, 0, DEFAULT_BLK_SZ);  in reset_prng_context()
301 	memset(ctx->last_rand_data, 0, DEFAULT_BLK_SZ);  in reset_prng_context()
303 	ctx->rand_data_valid = DEFAULT_BLK_SZ;  in reset_prng_context()
367 	const u8 *key = seed + DEFAULT_BLK_SZ;  in cprng_reset()
370 	if (slen < DEFAULT_PRNG_KSZ + DEFAULT_BLK_SZ)  in cprng_reset()
373 	if (slen >= (2 * DEFAULT_BLK_SZ + DEFAULT_PRNG_KSZ))  in cprng_reset()
396 	u8 rdata[DEFAULT_BLK_SZ];  in fips_cprng_reset()
397 	const u8 *key = seed + DEFAULT_BLK_SZ;  in fips_cprng_reset()
402 	if (slen < DEFAULT_PRNG_KSZ + DEFAULT_BLK_SZ)  in fips_cprng_reset()
415 	rc = get_prng_bytes(rdata, DEFAULT_BLK_SZ, prng, 0);  in fips_cprng_reset()
416 	prng->rand_data_valid = DEFAULT_BLK_SZ;  in fips_cprng_reset()
426 	.seedsize		= DEFAULT_PRNG_KSZ + 2 * DEFAULT_BLK_SZ,
440 	.seedsize		= DEFAULT_PRNG_KSZ + 2 * DEFAULT_BLK_SZ,