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# frozen_string_literal: true
require_relative 'utils'
if defined?(OpenSSL)
class OpenSSL::TestDigest < OpenSSL::TestCase
def setup
super
@d1 = OpenSSL::Digest.new("MD5")
@d2 = OpenSSL::Digest::MD5.new
end
def test_digest
null_hex = "d41d8cd98f00b204e9800998ecf8427e"
null_bin = [null_hex].pack("H*")
data = "DATA"
hex = "e44f9e348e41cb272efa87387728571b"
bin = [hex].pack("H*")
assert_equal(null_bin, @d1.digest)
assert_equal(null_hex, @d1.hexdigest)
@d1 << data
assert_equal(bin, @d1.digest)
assert_equal(hex, @d1.hexdigest)
assert_equal(bin, OpenSSL::Digest.digest('MD5', data))
assert_equal(hex, OpenSSL::Digest.hexdigest('MD5', data))
end
def test_eql
assert(@d1 == @d2, "==")
d = @d1.clone
assert(d == @d1, "clone")
end
def test_info
assert_equal("MD5", @d1.name, "name")
assert_equal("MD5", @d2.name, "name")
assert_equal(16, @d1.size, "size")
end
def test_dup
@d1.update("DATA")
assert_equal(@d1.name, @d1.dup.name, "dup")
assert_equal(@d1.name, @d1.clone.name, "clone")
assert_equal(@d1.digest, @d1.clone.digest, "clone .digest")
end
def test_reset
@d1.update("DATA")
dig1 = @d1.digest
@d1.reset
@d1.update("DATA")
dig2 = @d1.digest
assert_equal(dig1, dig2, "reset")
end
def test_digest_constants
%w{MD5 SHA1 SHA224 SHA256 SHA384 SHA512}.each do |name|
assert_not_nil(OpenSSL::Digest.new(name))
klass = OpenSSL::Digest.const_get(name.tr('-', '_'))
assert_not_nil(klass.new)
end
end
def test_digest_by_oid_and_name
check_digest(OpenSSL::ASN1::ObjectId.new("MD5"))
check_digest(OpenSSL::ASN1::ObjectId.new("SHA1"))
end
def encode16(str)
str.unpack("H*").first
end
def test_sha2
sha224_a = "abd37534c7d9a2efb9465de931cd7055ffdb8879563ae98078d6d6d5"
sha256_a = "ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb"
sha384_a = "54a59b9f22b0b80880d8427e548b7c23abd873486e1f035dce9cd697e85175033caa88e6d57bc35efae0b5afd3145f31"
sha512_a = "1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75"
assert_equal(sha224_a, OpenSSL::Digest.hexdigest('SHA224', "a"))
assert_equal(sha256_a, OpenSSL::Digest.hexdigest('SHA256', "a"))
assert_equal(sha384_a, OpenSSL::Digest.hexdigest('SHA384', "a"))
assert_equal(sha512_a, OpenSSL::Digest.hexdigest('SHA512', "a"))
assert_equal(sha224_a, encode16(OpenSSL::Digest.digest('SHA224', "a")))
assert_equal(sha256_a, encode16(OpenSSL::Digest.digest('SHA256', "a")))
assert_equal(sha384_a, encode16(OpenSSL::Digest.digest('SHA384', "a")))
assert_equal(sha512_a, encode16(OpenSSL::Digest.digest('SHA512', "a")))
end
def test_sha512_truncate
pend "SHA512_224 is not implemented" unless digest_available?('SHA512-224')
sha512_224_a = "d5cdb9ccc769a5121d4175f2bfdd13d6310e0d3d361ea75d82108327"
sha512_256_a = "455e518824bc0601f9fb858ff5c37d417d67c2f8e0df2babe4808858aea830f8"
assert_equal(sha512_224_a, OpenSSL::Digest.hexdigest('SHA512-224', "a"))
assert_equal(sha512_256_a, OpenSSL::Digest.hexdigest('SHA512-256', "a"))
assert_equal(sha512_224_a, encode16(OpenSSL::Digest.digest('SHA512-224', "a")))
assert_equal(sha512_256_a, encode16(OpenSSL::Digest.digest('SHA512-256', "a")))
end
def test_sha3
pend "SHA3 is not implemented" unless digest_available?('SHA3-224')
s224 = '6b4e03423667dbb73b6e15454f0eb1abd4597f9a1b078e3f5b5a6bc7'
s256 = 'a7ffc6f8bf1ed76651c14756a061d662f580ff4de43b49fa82d80a4b80f8434a'
s384 = '0c63a75b845e4f7d01107d852e4c2485c51a50aaaa94fc61995e71bbee983a2ac3713831264adb47fb6bd1e058d5f004'
s512 = 'a69f73cca23a9ac5c8b567dc185a756e97c982164fe25859e0d1dcc1475c80a615b2123af1f5f94c11e3e9402c3ac558f500199d95b6d3e301758586281dcd26'
assert_equal(OpenSSL::Digest.hexdigest('SHA3-224', ""), s224)
assert_equal(OpenSSL::Digest.hexdigest('SHA3-256', ""), s256)
assert_equal(OpenSSL::Digest.hexdigest('SHA3-384', ""), s384)
assert_equal(OpenSSL::Digest.hexdigest('SHA3-512', ""), s512)
end
def test_digest_by_oid_and_name_sha2
check_digest(OpenSSL::ASN1::ObjectId.new("SHA224"))
check_digest(OpenSSL::ASN1::ObjectId.new("SHA256"))
check_digest(OpenSSL::ASN1::ObjectId.new("SHA384"))
check_digest(OpenSSL::ASN1::ObjectId.new("SHA512"))
end
def test_openssl_digest
assert_equal OpenSSL::Digest::MD5, OpenSSL::Digest("MD5")
assert_raise NameError do
OpenSSL::Digest("no such digest")
end
end
private
def check_digest(oid)
d = OpenSSL::Digest.new(oid.sn)
assert_not_nil(d)
d = OpenSSL::Digest.new(oid.ln)
assert_not_nil(d)
d = OpenSSL::Digest.new(oid.oid)
assert_not_nil(d)
end
def digest_available?(name)
begin
OpenSSL::Digest.new(name)
rescue RuntimeError
false
end
end
end
end
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