RSA Encrypt problem

Werner Koch wk at gnupg.org
Mon Oct 30 10:53:04 CET 2006


On Sat, 28 Oct 2006 05:01, =B8=DF=B7=E5 said:

> i'm using the libgcrypt and i want use secret key of rsa to encrypt data.
> But i found all the function don't support this.

With opublic key cryptography, you use the secret key to *decrypt*
data.  The public key is used for encryption.

You might want to read a basic text book on cryptography before using
Libgcrypt.  For example:

@Book{Fer:03:PC,
  author =3D      "Niels Ferguson and Bruce Schneier",
  title =3D       "Practical Cryptography",
  language =3D    "USenglish",
  edition =3D     "first",
  publisher =3D   pub-WIL,
  address =3D     pub-WIL:adr,
  pages =3D       "xx + 410",
  year =3D        "2003",
  ISBN =3D        "0-471-22357-3",
  URL =3D         "http://www.macfergus.com/pc/"
}


Salam-Shalom,

   Werner




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