java.security.InvalidKeyException: Illegal key size

Stack Overflow | Omega1001 | 4 months ago
  1. 0

    AES de/encryption throws 'Illegal key size' for 256 bit key

    Stack Overflow | 4 months ago | Omega1001
    java.security.InvalidKeyException: Illegal key size
  2. 0
    Install Java Cryptopraphic Extention for your JDK version
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    On decryption error application fails without stacktrace

    GitHub | 2 years ago | szpak
    java.security.InvalidKeyException: Illegal key size
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  5. 0

    Illegal key size

    GitHub | 2 years ago | stefarossi
    java.lang.RuntimeException: java.security.InvalidKeyException: Illegal key size
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    GitHub | 2 years ago | callmemagnus
    org.bouncycastle.openpgp.PGPException: invalid key: Illegal key size

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Root Cause Analysis

  1. java.security.InvalidKeyException

    Illegal key size

    at javax.crypto.Cipher.checkCryptoPerm()
  2. Android Platform
    Cipher.init
    1. javax.crypto.Cipher.checkCryptoPerm(Cipher.java:1034)
    2. javax.crypto.Cipher.implInit(Cipher.java:800)
    3. javax.crypto.Cipher.chooseProvider(Cipher.java:859)
    4. javax.crypto.Cipher.init(Cipher.java:1370)
    5. javax.crypto.Cipher.init(Cipher.java:1301)
    5 frames
  3. Unknown
    TestMain.main
    1. TestMain.encrypt(TestMain.java:76)
    2. TestMain.main(TestMain.java:66)
    2 frames