23 	u8 *pos;  in pkcs1_generate_encryption_block()  local
44 	pos = out;  in pkcs1_generate_encryption_block()
45 	*pos++ = 0x00;  in pkcs1_generate_encryption_block()
46 	*pos++ = block_type; /* BT */  in pkcs1_generate_encryption_block()
50 		os_memset(pos, 0x00, ps_len);  in pkcs1_generate_encryption_block()
51 		pos += ps_len;  in pkcs1_generate_encryption_block()
54 		os_memset(pos, 0xff, ps_len);  in pkcs1_generate_encryption_block()
55 		pos += ps_len;  in pkcs1_generate_encryption_block()
58 		if (os_get_random(pos, ps_len) < 0) {  in pkcs1_generate_encryption_block()
64 			if (*pos == 0x00)  in pkcs1_generate_encryption_block()
65 				*pos = 0x01;  in pkcs1_generate_encryption_block()
66 			pos++;  in pkcs1_generate_encryption_block()
74 	*pos++ = 0x00;  in pkcs1_generate_encryption_block()
75 	os_memcpy(pos, in, inlen); /* D */  in pkcs1_generate_encryption_block()
102 	u8 *pos, *end;  in pkcs1_v15_private_key_decrypt()  local
112 	pos = out + 2;  in pkcs1_v15_private_key_decrypt()
114 	while (*pos && pos < end)  in pkcs1_v15_private_key_decrypt()
115 		pos++;  in pkcs1_v15_private_key_decrypt()
116 	if (pos == end)  in pkcs1_v15_private_key_decrypt()
118 	if (pos - out - 2 < 8) {  in pkcs1_v15_private_key_decrypt()
123 	pos++;  in pkcs1_v15_private_key_decrypt()
125 	*outlen -= pos - out;  in pkcs1_v15_private_key_decrypt()
128 	os_memmove(out, pos, *outlen);  in pkcs1_v15_private_key_decrypt()
139 	u8 *pos;  in pkcs1_decrypt_public_key()  local
164 	pos = plain + 3;  in pkcs1_decrypt_public_key()
172 	while (pos < plain + len && *pos == 0xff)  in pkcs1_decrypt_public_key()
173 		pos++;  in pkcs1_decrypt_public_key()
175 	if (pos - plain - 2 < 8) {  in pkcs1_decrypt_public_key()
183 	if (pos + 16 /* min hash len */ >= plain + len || *pos != 0x00) {  in pkcs1_decrypt_public_key()
189 	pos++;  in pkcs1_decrypt_public_key()
190 	len -= pos - plain;  in pkcs1_decrypt_public_key()
193 	os_memmove(plain, pos, len);  in pkcs1_decrypt_public_key()
208 	const u8 *pos, *end, *next, *da_end;  in pkcs1_v15_sig_ver()  local
248 	pos = hdr.payload;  in pkcs1_v15_sig_ver()
249 	end = pos + hdr.length;  in pkcs1_v15_sig_ver()
259 	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||  in pkcs1_v15_sig_ver()
306 	pos = da_end;  in pkcs1_v15_sig_ver()
308 	if (asn1_get_next(pos, end - pos, &hdr) < 0 ||  in pkcs1_v15_sig_ver()