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  2. Padding (cryptography) - Wikipedia

    en.wikipedia.org/wiki/Padding_(cryptography)

    PKCS#5 padding is identical to PKCS#7 padding, except that it has only been defined for block ciphers that use a 64-bit (8-byte) block size. In practice, the two can be used interchangeably. The maximum block size is 255, as it is the biggest number a byte can contain.

  3. PKCS - Wikipedia

    en.wikipedia.org/wiki/PKCS

    PKCS Standards Summary; Version Name Comments PKCS #1: 2.2: RSA Cryptography Standard [1]: See RFC 8017. Defines the mathematical properties and format of RSA public and private keys (ASN.1-encoded in clear-text), and the basic algorithms and encoding/padding schemes for performing RSA encryption, decryption, and producing and verifying signatures.

  4. RSA (cryptosystem) - Wikipedia

    en.wikipedia.org/wiki/RSA_(cryptosystem)

    As such, OAEP should be used in any new application, and PKCS#1 v1.5 padding should be replaced wherever possible. The PKCS#1 standard also incorporates processing schemes designed to provide additional security for RSA signatures, e.g. the Probabilistic Signature Scheme for RSA .

  5. PKCS 1 - Wikipedia

    en.wikipedia.org/wiki/PKCS_1

    However, the vulnerable padding scheme remains in use and has resulted in subsequent attacks: Bardou et al. (2012) find that several models of PKCS 11 tokens still use the v1.5 padding scheme for RSA. They propose an improved version of Bleichenbacher's attack that requires fewer messages.

  6. PBKDF2 - Wikipedia

    en.wikipedia.org/wiki/PBKDF2

    PBKDF2 is part of RSA Laboratories' Public-Key Cryptography Standards (PKCS) series, specifically PKCS #5 v2.0, also published as Internet Engineering Task Force's RFC 2898. It supersedes PBKDF1, which could only produce derived keys up to 160 bits long. [2] RFC 8018 (PKCS #5 v2.1), published in 2017, recommends PBKDF2 for password hashing. [3]

  7. Optimal asymmetric encryption padding - Wikipedia

    en.wikipedia.org/wiki/Optimal_asymmetric...

    In cryptography, Optimal Asymmetric Encryption Padding (OAEP) is a padding scheme often used together with RSA encryption.OAEP was introduced by Bellare and Rogaway, [1] and subsequently standardized in PKCS#1 v2 and RFC 2437.

  8. Padding oracle attack - Wikipedia

    en.wikipedia.org/wiki/Padding_oracle_attack

    The attack relies on having a "padding oracle" who freely responds to queries about whether a message is correctly padded or not. The information could be directly given, or leaked through a side-channel. The earliest well-known attack that uses a padding oracle is Bleichenbacher's attack of 1998, which attacks RSA with PKCS #1 v1.5 padding. [1]

  9. IEEE P1363 - Wikipedia

    en.wikipedia.org/wiki/IEEE_P1363

    IEEE P1363 is an Institute of Electrical and Electronics Engineers (IEEE) standardization project for public-key cryptography.It includes specifications for: Traditional public-key cryptography (IEEE Std 1363-2000 and 1363a-2004)