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RSA cryptosystem - Wikipedia The RSA (Rivest–Shamir–Adleman) cryptosystem is a family of public-key cryptosystems, one of the oldest widely used for secure data transmission The initialism "RSA" comes from the surnames of Ron Rivest, Adi Shamir and Leonard Adleman, who publicly described the algorithm in 1977 [1][2][3] An equivalent system was developed secretly in 1973 at Government Communications Headquarters
RSA problem - Wikipedia RSA problem In cryptography, the RSA problem summarizes the task of performing an RSA private-key operation given only the public key The RSA algorithm raises a message to an exponent, modulo a composite number N whose factors are not known Thus, the task can be neatly described as finding the eth roots of an arbitrary number, modulo N
PKCS 1 - Wikipedia PKCS 1 In cryptography, PKCS #1 is the first of a family of standards called Public-Key Cryptography Standards (PKCS), published by RSA Laboratories It provides the basic definitions of and recommendations for implementing the RSA algorithm for public-key cryptography
RSA SecurID - Wikipedia Later, the 128-bit RSA SecurID algorithm was published as part of an open source library [4] In the RSA SecurID authentication scheme, the seed record is the secret key used to generate one-time passwords Newer versions also feature a USB connector, which allows the token to be used as a smart card -like device for securely storing certificates
Padding (cryptography) - Wikipedia A modern form of padding for asymmetric primitives is OAEP applied to the RSA algorithm, when it is used to encrypt a limited number of bytes The operation is referred to as "padding" because originally, random material was simply appended to the message to make it long enough for the primitive
Strong RSA assumption - Wikipedia Strong RSA assumption In cryptography, the strong RSA assumption states that the RSA problem is intractable even when the solver is allowed to choose the public exponent e (for e ≥ 3) More specifically, given a modulus N of unknown factorization, and a ciphertext C, it is infeasible to find any pair (M, e) such that C ≡ M e mod N
RSA Security - Wikipedia RSA Security LLC, [5] formerly RSA Security, Inc and trade name RSA, is an American computer and network security company with a focus on encryption and decryption standards RSA was named after the initials of its co-founders, Ron Rivest, Adi Shamir and Leonard Adleman, after whom the RSA public key cryptography algorithm was also named [6] Among its products is the SecurID authentication
Cryptosystem - Wikipedia In cryptography, a cryptosystem is a suite of cryptographic algorithms needed to implement a particular security service, such as confidentiality (encryption) [1] Typically, a cryptosystem consists of three algorithms: one for key generation, one for encryption, and one for decryption The term cipher (sometimes cypher) is often used to refer to a pair of algorithms, one for encryption and
Public-key cryptography - Wikipedia Because asymmetric key algorithms are nearly always much more computationally intensive than symmetric ones, it is common to use a public private asymmetric key-exchange algorithm to encrypt and exchange a symmetric key, which is then used by symmetric-key cryptography to transmit data using the now-shared symmetric key for a symmetric key encryption algorithm PGP, SSH, and the SSL TLS family