[perl5.git] / t / op / crypt.t

#!./perl -Tw

BEGIN {
    chdir 't' if -d 't';
    @INC = ('../lib');
}

use Config;

BEGIN {
    require Test::More;

    if( !$Config{d_crypt} ) {
        Test::More->import('skip_all');
    }
    else {
        Test::More->import(tests => 2);
    }
}

# Can't assume too much about the string returned by crypt(),
# and about how many bytes of the encrypted (really, hashed)
# string matter.
#
# HISTORICALLY the results started with the first two bytes of the salt,
# followed by 11 bytes from the set [./0-9A-Za-z], and only the first
# eight characters mattered, but those are probably no more safe
# bets, given alternative encryption/hashing schemes like MD5,
# C2 (or higher) security schemes, and non-UNIX platforms.

SKIP: {
    skip "crypt unimplemented", 2, unless $Config{d_crypt};
    
    ok(substr(crypt("ab", "cd"), 2) ne substr(crypt("ab", "ce"), 2), "salt makes a difference");

    ok(crypt("HI", "HO") eq crypt(join("",map{chr($_+256)}unpack"C*","HI"), "HO"), "low eight bits of Unicode");
}
Commit	Line	Data
7b48dbf9 MS	1	#!./perl -Tw
	2
	3	BEGIN {
	4	chdir 't' if -d 't';
	5	@INC = ('../lib');
	6	}
	7
17f79ebb	8	use Config;
85c16d83	9
7b48dbf9 MS	10	BEGIN {
	11	require Test::More;
	12
	13	if( !$Config{d_crypt} ) {
	14	Test::More->import('skip_all');
	15	}
	16	else {
	17	Test::More->import(tests => 2);
	18	}
	19	}
	20
85c16d83 JH	21	# Can't assume too much about the string returned by crypt(),
	22	# and about how many bytes of the encrypted (really, hashed)
	23	# string matter.
	24	#
	25	# HISTORICALLY the results started with the first two bytes of the salt,
	26	# followed by 11 bytes from the set [./0-9A-Za-z], and only the first
	27	# eight characters mattered, but those are probably no more safe
	28	# bets, given alternative encryption/hashing schemes like MD5,
	29	# C2 (or higher) security schemes, and non-UNIX platforms.
	30
17f79ebb JH	31	SKIP: {
	32	skip "crypt unimplemented", 2, unless $Config{d_crypt};
	33
8ce518b9	34	ok(substr(crypt("ab", "cd"), 2) ne substr(crypt("ab", "ce"), 2), "salt makes a difference");
85c16d83	35
8ce518b9	36	ok(crypt("HI", "HO") eq crypt(join("",map{chr($_+256)}unpack"C*","HI"), "HO"), "low eight bits of Unicode");
17f79ebb	37	}