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As per MySQL's documentation on the Encryption functions, http://dev.mysql.com/doc/refman/5.5/en/encryption-functions.html Caution Passwords or other sensitive values supplied as arguments to encryption functions are sent in plaintext to the MySQL server unless an SSL connection is used. Also, such values will appear in any MySQL logs to which ...
According to the GoLang crypto package "The message must be no longer than the length of the public modulus minus 11 bytes". http://golang.org/pkg/crypto/rsa/#EncryptPKCS1v15
Without the JCE Unlimited Strength Policy files in place, Java is able to use "strong but limited cryptography". That isn't limited to 128-bit or less necessarily. Just that "the jurisdiction policy files distributed with the Java SE 7 software have built-in restrictions on available cryptographic strength." From the README.txt: Due to import control ...
When you say that 128 bits are not enough for you, and you really want 256 bits, then you are basically saying one of the two following things: Laws of physics do not apply to you. You do not understand what key size is, and you just want the biggest number, the cryptographic equivalent of painting your car in red to make it go faster. Your choice. See ...
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