use strlcpy & strlcat (#74) * refactor checkpubkeyperms() with safe BSD functions fix gcc8 warnings ``` svr-authpubkey.c: In function 'checkpubkeyperms': svr-authpubkey.c:427:2: warning: 'strncat' specified bound 5 equals source length [-Wstringop-overflow=] strncat(filename, "/.ssh", 5); /* strlen("/.ssh") == 5 */ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ svr-authpubkey.c:433:2: warning: 'strncat' specified bound 16 equals source length [-Wstringop-overflow=] strncat(filename, "/authorized_keys", 16); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ``` see https://www.sudo.ws/todd/papers/strlcpy.html * restore strlcpy in xstrdup see original https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/xmalloc.c?rev=1.16

====================
pkcs-1v2-1-vec.zip
====================

This directory contains test vectors for RSAES-OAEP and
RSASSA-PSS as defined in PKCS #1 v2.1.

The files:

readme.txt              This file.

oaep-vect.txt           Test vectors for RSAES-OAEP encryption.

oaep-int.txt            Intermediate values for RSAES-OAEP 
                        encryption and RSA decryption with CRT. 
                        Also, DER-encoded RSAPrivateKey and 
                        RSAPublicKey types.

pss-vect.txt            Test vectors for RSASSA-PSS signing.

pss-int.txt             Intermediate values for RSASSA-PSS
                        signing.