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CIPHER. An arithmetical character, used for numerical notation. Vide Figures, and 13 Vin. Ab. 210; 18 Eng. C. L. R. 95; 1 Ch. Cr. Law, 176.
     2. By cipher is also understood a mode of secret writing. Public ministers and other public agents frequently use ciphers in their correspondence, and it is sometimes very useful so to correspond in times of war. A key is given to each minister before his departure, namely, the cipher for writing ciphers, (chiffre chiffrant,) and the cipher for deciphering (chiffre dechiffrant.) Besides these, it is usual to give him a common cipher, (chiffre banal,) which is known to all the ministers of the same power, who occasionally use it in their correspondence with each other.
     3. When it is suspected that, a cipher becomes known to the cabinet where the minister is residing, recourse is had to a preconcerted sign in order to annul, entirely or in part, what has been written in cipher, or rather to indicate that the contents are to be understood in an inverted or contrary sense. A cipher of reserve is also employed in extraordinary cases.

References in periodicals archive ?
Integration with CyaSSL takes support a step further by securing the Internet connection and adding very fast cipher suites, such as TLS_RSA_WITH_128_CBC_SHA and TLS_NTRU_RSA_WITH_AES_128_CBC_SHA that are not part of the default installation.
The ATECC508A provides protected key storage as well as hardware acceleration of Elliptic Curve Cryptography (ECC) cipher suites including mutual authentication (ECDSA) and Diffie-Hellman key agreement (ECDH).
2005 Camellia is accepted as the IETF standard Cipher for IPsec [RFC4312] July 2005 Camellia is accepted as the IETF standard Cipher for SSL/TLS Cipher suites [RFC4132] May 2005 Camellia is adopted as the ISO/IEC standard Cipher [ISO/IEC18033-3] April 2005 Camellia is accepted as the IETF standard Cipher for XML security URIs [RFC4051] Jan.
Offering much greater information assurance than software-only solutions, the Motorola CRYPTR micro combines hardware-based encryption and key management in a microSD[TM] form factor that supports both Federal Information Processing Standard (FIPS) 140-2 Level 3 and Full NSA Suite B Cipher Suites.
Through features and capabilities such as multiplexing and concurrency, header compression, server push, support for the latest cipher suites, and an overall reduction in development complexity, HTTP/2 is intended to significantly improve the performance and security/privacy of today s Web.
With the ExtraHop Application Delivery Assurance system's hardware-driven 10Gbps analysis capabilities, organizations have the processing power necessary to decrypt and analyze SSL traffic for common cipher suites at the scale and speed required by today's enterprise networks.