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2. Add images to your signature in AOL Mail

   help.aol.com/articles/add-images-to-your...

   If your copyright-free image is already available online and you have documented permission or a license from the image owner to use it, you can often copy the image's URL by right-clicking on the image in your web browser (or using Control + click on a Mac) and choosing Copy image address or Copy image location.

3. Add, edit, or disable your signature in AOL Mail

   help.aol.com/articles/add-edit-or-disable-your...

   Create a personalized email signature to automatically add to each outgoing email. This feature ensures all your AOL messages maintain a consistent, professional look with minimal effort. 1. Click the Settings Menu icon | select More Settings. 2. Click Writing email. 3. Click the Toggle button to enable or disable a signature for your email ...

4. Digital signature - Wikipedia

   en.wikipedia.org/wiki/Digital_signature

   The Digital Signature Algorithm (DSA), developed by the National Institute of Standards and Technology, is one of many examples of a signing algorithm. In the following discussion, 1 n refers to a unary number. Formally, a digital signature scheme is a triple of probabilistic polynomial time algorithms, (G, S, V), satisfying:

5. Public-key cryptography - Wikipedia

   en.wikipedia.org/wiki/Public-key_cryptography

   In a digital signature system, a sender can use a private key together with a message to create a signature. Anyone with the corresponding public key can verify whether the signature matches the message, but a forger who does not know the private key cannot find any message/signature pair that will pass verification with the public key. [5] [6] [7]

6. Security token - Wikipedia

   en.wikipedia.org/wiki/Security_token

   Trusted as a regular hand-written signature, the digital signature must be made with a private key known only to the person authorized to make the signature. Tokens that allow secure on-board generation and storage of private keys enable secure digital signatures, and can also be used for user authentication, as the private key also serves as a ...

7. EdDSA - Wikipedia

   en.wikipedia.org/wiki/EdDSA

   In contrast, EdDSA chooses the nonce deterministically as the hash of a part of the private key and the message. Thus, once a private key is generated, EdDSA has no further need for a random number generator in order to make signatures, and there is no danger that a broken random number generator used to make a signature will reveal the private ...

8. ElGamal signature scheme - Wikipedia

   en.wikipedia.org/wiki/ElGamal_signature_scheme

   The ElGamal signature scheme is a digital signature scheme which is based on the difficulty of computing discrete logarithms. It was described by Taher Elgamal in 1985. [1] The ElGamal signature algorithm is rarely used in practice. A variant developed at the NSA and known as the Digital Signature Algorithm is much more widely used

9. Elliptic Curve Digital Signature Algorithm - Wikipedia

   en.wikipedia.org/wiki/Elliptic_Curve_Digital...

   The signature is valid if , matches Alice's public key. The signature is invalid if all the possible R points have been tried and none match Alice's public key. Note that an invalid signature, or a signature from a different message, will result in the recovery of an incorrect public key.