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require_relative 'utils'
require 'base64'
if defined?(OpenSSL)
class OpenSSL::TestPKeyDSA < Test::Unit::TestCase
def test_private
key = OpenSSL::PKey::DSA.new(256)
assert(key.private?)
key2 = OpenSSL::PKey::DSA.new(key.to_der)
assert(key2.private?)
key3 = key.public_key
assert(!key3.private?)
key4 = OpenSSL::PKey::DSA.new(key3.to_der)
assert(!key4.private?)
end
def test_new
key = OpenSSL::PKey::DSA.new 256
pem = key.public_key.to_pem
OpenSSL::PKey::DSA.new pem
assert_equal([], OpenSSL.errors)
end
def test_sign_verify
check_sign_verify(OpenSSL::Digest::DSS1.new)
end
if (OpenSSL::OPENSSL_VERSION_NUMBER > 0x10000000)
def test_sign_verify_sha1
check_sign_verify(OpenSSL::Digest::SHA1.new)
end
def test_sign_verify_sha256
check_sign_verify(OpenSSL::Digest::SHA256.new)
end
end
def test_digest_state_irrelevant_verify
key = OpenSSL::PKey::DSA.new(256)
digest1 = OpenSSL::Digest::DSS1.new
digest2 = OpenSSL::Digest::DSS1.new
data = 'Sign me!'
sig = key.sign(digest1, data)
digest1.reset
digest1 << 'Change state of digest1'
assert(key.verify(digest1, sig, data))
assert(key.verify(digest2, sig, data))
end
def test_read_DSA_PUBKEY
p = 7188211954100152441468596248707152960171255279130004340103875772401008316444412091945435731597638374542374929457672178957081124632837356913990200866056699
q = 957032439192465935099784319494405376402293318491
g = 122928973717064636255205666162891733518376475981809749897454444301389338825906076467196186192907631719698166056821519884939865041993585844526937010746285
y = 1235756183583465414789073313502727057075641172514181938731172021825149551960029708596057102104063395063907739571546165975727369183495540798749742124846271
algo = OpenSSL::ASN1::ObjectId.new('DSA')
params = OpenSSL::ASN1::Sequence.new([OpenSSL::ASN1::Integer.new(p),
OpenSSL::ASN1::Integer.new(q),
OpenSSL::ASN1::Integer.new(g)])
algo_id = OpenSSL::ASN1::Sequence.new ([algo, params])
pub_key = OpenSSL::ASN1::Integer.new(y)
seq = OpenSSL::ASN1::Sequence.new([algo_id, OpenSSL::ASN1::BitString.new(pub_key.to_der)])
key = OpenSSL::PKey::DSA.new(seq.to_der)
assert(key.public?)
assert(!key.private?)
assert_equal(p, key.p)
assert_equal(q, key.q)
assert_equal(g, key.g)
assert_equal(y, key.pub_key)
assert_equal(nil, key.priv_key)
end
def test_read_DSAPublicKey_pem
p = 12260055936871293565827712385212529106400444521449663325576634579961635627321079536132296996623400607469624537382977152381984332395192110731059176842635699
q = 979494906553787301107832405790107343409973851677
g = 3731695366899846297271147240305742456317979984190506040697507048095553842519347835107669437969086119948785140453492839427038591924536131566350847469993845
y = 10505239074982761504240823422422813362721498896040719759460296306305851824586095328615844661273887569281276387605297130014564808567159023649684010036304695
pem = <<-EOF
-----BEGIN DSA PUBLIC KEY-----
MIHfAkEAyJSJ+g+P/knVcgDwwTzC7Pwg/pWs2EMd/r+lYlXhNfzg0biuXRul8VR4
VUC/phySExY0PdcqItkR/xYAYNMbNwJBAOoV57X0FxKO/PrNa/MkoWzkCKV/hzhE
p0zbFdsicw+hIjJ7S6Sd/FlDlo89HQZ2FuvWJ6wGLM1j00r39+F2qbMCFQCrkhIX
SG+is37hz1IaBeEudjB2HQJAR0AloavBvtsng8obsjLb7EKnB+pSeHr/BdIQ3VH7
fWLOqqkzFeRrYMDzUpl36XktY6Yq8EJYlW9pCMmBVNy/dQ==
-----END DSA PUBLIC KEY-----
EOF
key = OpenSSL::PKey::DSA.new(pem)
assert(key.public?)
assert(!key.private?)
assert_equal(p, key.p)
assert_equal(q, key.q)
assert_equal(g, key.g)
assert_equal(y, key.pub_key)
assert_equal(nil, key.priv_key)
end
def test_read_DSA_PUBKEY_pem
p = 12260055936871293565827712385212529106400444521449663325576634579961635627321079536132296996623400607469624537382977152381984332395192110731059176842635699
q = 979494906553787301107832405790107343409973851677
g = 3731695366899846297271147240305742456317979984190506040697507048095553842519347835107669437969086119948785140453492839427038591924536131566350847469993845
y = 10505239074982761504240823422422813362721498896040719759460296306305851824586095328615844661273887569281276387605297130014564808567159023649684010036304695
pem = <<-EOF
-----BEGIN PUBLIC KEY-----
MIHxMIGoBgcqhkjOOAQBMIGcAkEA6hXntfQXEo78+s1r8yShbOQIpX+HOESnTNsV
2yJzD6EiMntLpJ38WUOWjz0dBnYW69YnrAYszWPTSvf34XapswIVAKuSEhdIb6Kz
fuHPUhoF4S52MHYdAkBHQCWhq8G+2yeDyhuyMtvsQqcH6lJ4ev8F0hDdUft9Ys6q
qTMV5GtgwPNSmXfpeS1jpirwQliVb2kIyYFU3L91A0QAAkEAyJSJ+g+P/knVcgDw
wTzC7Pwg/pWs2EMd/r+lYlXhNfzg0biuXRul8VR4VUC/phySExY0PdcqItkR/xYA
YNMbNw==
-----END PUBLIC KEY-----
EOF
key = OpenSSL::PKey::DSA.new(pem)
assert(key.public?)
assert(!key.private?)
assert_equal(p, key.p)
assert_equal(q, key.q)
assert_equal(g, key.g)
assert_equal(y, key.pub_key)
assert_equal(nil, key.priv_key)
end
private
def check_sign_verify(digest)
key = OpenSSL::PKey::DSA.new(256)
data = 'Sign me!'
sig = key.sign(digest, data)
assert(key.verify(digest, sig, data))
end
end
end
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