diff --git a/test/openssl/test_pkey_rsa.rb b/test/openssl/test_pkey_rsa.rb
index 2008570e..cf6d4972 100644
--- a/test/openssl/test_pkey_rsa.rb
+++ b/test/openssl/test_pkey_rsa.rb
@@ -541,41 +541,54 @@ def test_private_encoding
   end
 
   def test_private_encoding_encrypted
-    rsa1024 = Fixtures.pkey("rsa1024")
-    encoded = rsa1024.private_to_der("aes-128-cbc", "abcdef")
+    rsa = Fixtures.pkey("rsa2048")
+    encoded = rsa.private_to_der("aes-128-cbc", "abcdef")
     asn1 = OpenSSL::ASN1.decode(encoded) # PKCS #8 EncryptedPrivateKeyInfo
     assert_kind_of OpenSSL::ASN1::Sequence, asn1
     assert_equal 2, asn1.value.size
-    assert_not_equal rsa1024.private_to_der, encoded
-    assert_same_rsa rsa1024, OpenSSL::PKey.read(encoded, "abcdef")
-    assert_same_rsa rsa1024, OpenSSL::PKey.read(encoded) { "abcdef" }
+    assert_not_equal rsa.private_to_der, encoded
+    assert_same_rsa rsa, OpenSSL::PKey.read(encoded, "abcdef")
+    assert_same_rsa rsa, OpenSSL::PKey.read(encoded) { "abcdef" }
     assert_raise(OpenSSL::PKey::PKeyError) { OpenSSL::PKey.read(encoded, "abcxyz") }
 
-    encoded = rsa1024.private_to_pem("aes-128-cbc", "abcdef")
+    encoded = rsa.private_to_pem("aes-128-cbc", "abcdef")
     assert_match (/BEGIN ENCRYPTED PRIVATE KEY/), encoded.lines[0]
-    assert_same_rsa rsa1024, OpenSSL::PKey.read(encoded, "abcdef")
+    assert_same_rsa rsa, OpenSSL::PKey.read(encoded, "abcdef")
 
-    # certtool --load-privkey=test/fixtures/pkey/rsa1024.pem --to-p8 --password=abcdef
+    # certtool --load-privkey=test/openssl/fixtures/pkey/rsa2048.pem --to-p8 --password=abcdef
     pem = <<~EOF
     -----BEGIN ENCRYPTED PRIVATE KEY-----
-    MIICojAcBgoqhkiG9w0BDAEDMA4ECLqajUdSNfzwAgIEkQSCAoCDWhxr1HUrKLXA
-    FsFGGQfPT0aKH4gZipaSXXQRl0KwifHwHoDtfo/mAkJVZMnUVOm1AQ4LTFS3EdTy
-    JUwICGEQHb7QAiokIRoi0K2yHhOxVO8qgbnWuisWpiT6Ru1jCqTs/wcqlqF7z2jM
-    oXDk/vuekKst1DDXDcHrzhDkwhCQWj6jt1r2Vwaryy0FyeqsWAgBDiK2LsnCgkGD
-    21uhNZ/iWMG6tvY9hB8MDdiBJ41YdSG/AKLulAxQ1ibJz0Tasu66TmwFvWhBlME+
-    QbqfgmkgWg5buu53SvDfCA47zXihclbtdfW+U3CJ9OJkx0535TVdZbuC1QgKXvG7
-    4iKGFRMWYJqZvZM3GL4xbC75AxjXZsdCfV81VjZxjeU6ung/NRzCuCUcmBOQzo1D
-    Vv6COwAa6ttQWM0Ti8oIQHdu5Qi+nuOEHDLxCxD962M37H99sEO5cESjmrGVxhEo
-    373L4+11geGSCajdp0yiAGnXQfwaKta8cL693bRObN+b1Y+vqtDKH26N9a4R3qgg
-    2XwgQ5GH5CODoXZpi0wxncXO+3YuuhGeArtzKSXLNxHzIMlY7wZX+0e9UU03zfV/
-    aOe4/q5DpkNxgHePt0oEpamSKY5W3jzVi1dlFWsRjud1p/Grt2zjSWTYClBlJqG1
-    A/3IeDZCu+acaePJjFyv5dFffIj2l4bAYB+LFrZlSu3F/EimO/dCDWJ9JGlMK0aF
-    l9brh7786Mo+YfyklaqMMEHBbbR2Es7PR6Gt7lrcIXmzy9XSsxT6IiD1rG9KKR3i
-    CQxTup6JAx9w1q+adL+Ypikoy3gGD/ccUY6TtPoCmkQwSCS+JqQnFlCiThDJbu+V
-    eqqUNkZq
+    MIIFOTBjBgkqhkiG9w0BBQ0wVjA1BgkqhkiG9w0BBQwwKAQSsTIsinrhNMr4owUz
+    cwYGgB0lAgMJJ8ACARAwCgYIKoZIhvcNAgkwHQYJYIZIAWUDBAECBBDtDYqmQOLV
+    Nh0T0DslWgovBIIE0ESbJey2Pjf9brTp9/41CPnI9Ev78CGSv8Ihyuynu6G7oj7N
+    G7jUB1pVMQ7ivebF5DmM0qHAix6fDqJetB3WCnRQpMLyIdq5VrnKwFNhwGYduWA5
+    IyaAc4DHj02e6YLyBTIKpu79OSFxLrnLCRaTbvZIUQaGhyd6pB7iAhqz5YBC0rpa
+    iMK5TRlNGPYG9n2eGFOhvUsbJ4T8VDzjpVWw0VNRaukXtg4xiR6o1f0qSXqAb5d9
+    REq5DfaQfoOKTV9j7KJHDRrBQG81vkU4K+xILrCBfbcYb82aCoinwSep9LC30HaH
+    LZ0hYQOuD/k/UbgjToS2wyMnkz75MN5ZNhDMZl/mACQdsMMtIxG37Mpo1Ca33uZi
+    71TCOEKIblZS11L1YhIni9Af8pOuHJBWwezP2zN2nPwV6OhgL7Jlax7ICQOPC6L/
+    yRGgC5eT4lDDAuTy0IdUhr0r5XrFzZR0/5Vgsq9cGfk9QkXOoETRhQVkEfUDdCs6
+    6CK+SwUR9qh5824ShODFG0SQpsqBPIVtkGrypBSUJtICmGMOAsclB7RDN7/opJwp
+    qv/iRJ5dhWrhRgQ/DfYifvO5On7RgC2hm48gF3Pt6XCA857ryyYxLYeMY42tAUqp
+    Hmc9HL7bMYF/jl3cJ32+gLvI3PBVvrvyeAhRo6z7MFVe9I04OywV6BHUx1Us6ybF
+    qkYnSpcJZdu7HyvzXm7XWLFmt7K5BlAgnFsa/8+cI1BGPgQRc1j0SWepXsSwFZX6
+    JkNQ0dewq4uRJXbGyQgfh5I5ETpqDhSt2JfBwAoze6cx3DPC711PUamxyWMiejs+
+    mYdia4p62NxaUvyXWmCGIEOzajRwywEhf9OLAmfqTN41TIrEL4BUxqtzDyw8Nl8T
+    KB7nJEC366jFASfumNQkXXyH5yBIF+XwwSKUOObRZVn2rUzFToo51hHu9efxHoXa
+    jZlpfglWijkmOuwoIGlGHOq8gUn76oq9WbV+YO+fWm/mf4S3ECzmYzxb6a1uCTy/
+    Itkm2qOe3yTM1t+oCqZ0/MeTZ84ALQaWv5reQfjronPZ1jeNtxrYz28tJ4KwBn0U
+    bJReXbOLsHAymipncxlmaevbx4GPTduu/lbpxefoN95w+SpEdyTmVWrfaCTgAbad
+    EzcRl60my3xOMQ7CaUbRgGiwohqHDvuXzeqoZ96u6CwfAoEfy4jETmKLRH6uTtj7
+    4jdTyoqyizjpvaM8LPspBS+oqFwLxBjpseQuScrZO1BjPxrImLy2/VRqwJ+CF4FB
+    iijEgDgDc1EMIGe5YmOAV+i22n9RqX+2IvkYp7CWXrB9/lmirLFukd7hT8DLPUGq
+    AvSZwTPbDPoZKG3DAebC3DbiC7A3x0KZp24doNRLamZ/MyKHo2Rzl0UhkzDU0ly2
+    eAnyNYsOAQck+C6L+ieD95Gksm9YJWurwttm5JragbIJwMCrsBQd4bXDkKdRhxS2
+    JpS0dT/aoDmgTzoG07x4cZk0rjBkfX1ta0j0b1lz7/PZXl9AbRvFdq5sJpmv4Ryz
+    S+OERqo4IEfJJq2WJ92WR+HLGV3Gvsdb7znZTEF1tp4pWOLAt83Pry282UJxO7Pe
+    ySf/868TEmXams06GYvH+7cMiIT2m9Dc+EFgNaPmm0uMmJ+ZjqHKSOLzrL7C
     -----END ENCRYPTED PRIVATE KEY-----
     EOF
-    assert_same_rsa rsa1024, OpenSSL::PKey.read(pem, "abcdef")
+    assert_same_rsa rsa, OpenSSL::PKey.read(pem, "abcdef")
   end
 
   def test_dup