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Because VTD-XML keeps the XML text intact without decoding, when an application intends to modify the content of XML it only needs to modify the portions most relevant to the changes. This is in stark contrast with DOM, SAX, or StAx parsing, which incur the cost of parsing and re-serialization no matter how small the changes are.
As the file format is a group of XML files within a ZIP; unzipping, editing, and replacing the workbook.xml file (and/or the individual worksheet XML files) with identical copies in which the unknown key and salt are replaced with a known pair or removed altogether allows the sheets to be edited. [citation needed]
XML Encryption is different from and unrelated to Transport Layer Security (TLS), which is used to send encrypted messages (including XML content, both encrypted and otherwise) over the internet. Jager & Somorovsky (2011) reported that this specification has severe security concerns.
PKCS #7 files may be stored both as raw DER format or as PEM format. PEM format is the same as DER format but wrapped inside Base64 encoding and sandwiched in between ‑‑‑‑‑BEGIN PKCS7‑‑‑‑‑ and ‑‑‑‑‑END PKCS7‑‑‑‑‑. Windows uses the .p7b file name extension [6] for both these encodings.
With the advent of computing, the term plaintext expanded beyond human-readable documents to mean any data, including binary files, in a form that can be viewed or used without requiring a key or other decryption device. Information—a message, document, file, etc.—if to be communicated or stored in an unencrypted form is referred to as ...
One example of deniable encryption is a cryptographic filesystem that employs a concept of abstract "layers", where each layer can be decrypted with a different encryption key. [ citation needed ] Additionally, special " chaff layers" are filled with random data in order to have plausible deniability of the existence of real layers and their ...
NTRU is an open-source public-key cryptosystem that uses lattice-based cryptography to encrypt and decrypt data. It consists of two algorithms: NTRUEncrypt, which is used for encryption, and NTRUSign, which is used for digital signatures. Unlike other popular public-key cryptosystems, it is resistant to attacks using Shor's algorithm ...
It starts by generating an AES key on the victim's device and encrypts all of the previous files using AES-CBC-128. Then the RSA-encrypted AES key is prepended to the beginning of every encrypted file, with the original file permissions and the IV used by the AES algorithm. All the encrypted files have ".encrypted" added at the end of their ...