include/crypto/aead.h

38  * crypto_aead_decrypt. That error indicates an authentication error, i.e.
49  * (resp. ciphertext) will grow (resp. shrink) by the authentication tag size
50  * during encryption (resp. decryption). The authentication tag is generated
52  * decryption, the authentication tag is consumed along with the ciphertext and
83  *	@assoclen: Length in bytes of associated data for authentication
122  * @maxauthsize: Set the maximum authentication tag size supported by the
124  *		 As the authentication tag is a message digest to ensure the
126  *		 largest authentication tag possible as defined by this
128  * @setauthsize: Set authentication size for the AEAD transformation. This
130  * 		 authentication tag to be either generated by the transformation
131  *		 during encryption or the size of the authentication tag to be
133  *		 responsible for checking the authentication tag size for
263  * crypto_aead_authsize() - obtain maximum authentication data size
266  * The maximum size of the authentication data for the AEAD cipher referenced
267  * by the AEAD cipher handle is returned. The authentication data size may be
270  * The authentication data may also be known as "tag value".
272  * Return: authentication data size / tag size in bytes
344  * crypto_aead_setauthsize() - set authentication data size
346  * @authsize: size of the authentication data / tag in bytes
348  * Set the authentication data size / tag size. AEAD requires an authentication
369  * IMPORTANT NOTE The encryption operation creates the authentication data /
375  *		  the authentication tag.
391  *		  authentication data / tag. That authentication data / tag
397  *	   cipher operation performs the authentication of the data during the
399  *	   the authentication of the ciphertext was unsuccessful (i.e. the
520  * below for the authentication tag.