Обсуждение: Blowfish Encrypted String
Hello All,
I have a string in a program that I have encrypted using Blowfish and I am now trying to figure out the best way to store that in PostgreSQL so that I can store it and retrieve it later for decryption. I have searched around and have not found some good examples of how to go about this.
So my first questions is: Can someone point me to a tutorial or posting that shows how one might do that?
Failing that:
What data type should I use to store this?
What does the SQL look like to INSERT/SELECT the field?
Thanks,
Craig
2013/9/26 Craig Boyd <craigboyd0@gmail.com>
Hello All,I have a string in a program that I have encrypted using Blowfish and I am now trying to figure out the best way to store that in PostgreSQL so that I can store it and retrieve it later for decryption. I have searched around and have not found some good examples of how to go about this.So my first questions is: Can someone point me to a tutorial or posting that shows how one might do that?Failing that:What data type should I use to store this?
I believe that you should use bytea datatype.
What does the SQL look like to INSERT/SELECT the field?
Just like any other INSERT/SELECT query.
// Dmitriy.
Dmitriy,
Thank you very much for the reply!
Right...got the the data type...but how do I actually insert a binary string into the column? What does the SQL look like?
For the moment assume I have the following bit of binary: 4PO„âÔ™ä²
What does the SQL look like to insert that into the bytea column? (FYI...most of my binary data would be only slightly bigger than what I just pasted here. I am not storing Word documents or images, just some encrypted strings of test that are not more than 100 characters long and typically about 16 to 20.
Thanks,
Craig Boyd
On Thu, Sep 26, 2013 at 11:46 AM, Dmitriy Igrishin <dmitigr@gmail.com> wrote:
2013/9/26 Craig Boyd <craigboyd0@gmail.com>Hello All,I have a string in a program that I have encrypted using Blowfish and I am now trying to figure out the best way to store that in PostgreSQL so that I can store it and retrieve it later for decryption. I have searched around and have not found some good examples of how to go about this.So my first questions is: Can someone point me to a tutorial or posting that shows how one might do that?Failing that:What data type should I use to store this?I believe that you should use bytea datatype.What does the SQL look like to INSERT/SELECT the field?Just like any other INSERT/SELECT query.--
// Dmitriy.
On Sep 26, 2013, at 10:55 AM, Craig Boyd <craigboyd0@gmail.com> wrote: > Dmitriy, > > Thank you very much for the reply! > > Right...got the the data type...but how do I actually insert a binary string into the column? What does the SQL look like? > For the moment assume I have the following bit of binary: 4PO„âÔ™ä² > > What does the SQL look like to insert that into the bytea column? (FYI...most of my binary data would be only slightlybigger than what I just pasted here. I am not storing Word documents or images, just some encrypted strings of testthat are not more than 100 characters long and typically about 16 to 20. > http://www.postgresql.org/docs/devel/static/datatype-binary.html Most client libraries will have functionality to do this nicely (e.g. sending a Java byte[] to a Postgres bytea); it suckssomewhat to do it by hand in SQL. > Thanks, > > Craig Boyd > > > On Thu, Sep 26, 2013 at 11:46 AM, Dmitriy Igrishin <dmitigr@gmail.com> wrote: > > > > 2013/9/26 Craig Boyd <craigboyd0@gmail.com> > Hello All, > > I have a string in a program that I have encrypted using Blowfish and I am now trying to figure out the best way to storethat in PostgreSQL so that I can store it and retrieve it later for decryption. I have searched around and have notfound some good examples of how to go about this. > > So my first questions is: Can someone point me to a tutorial or posting that shows how one might do that? > > Failing that: > What data type should I use to store this? > I believe that you should use bytea datatype. > What does the SQL look like to INSERT/SELECT the field? > Just like any other INSERT/SELECT query. > > > -- > // Dmitriy. > >