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opendir(3) -- directory operations
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The opendir() function opens the directory named by filename, associates a directory stream with it and returns a pointer to be used to identify the directory stream in subsequent operations. The poin... |
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opendisk(3) -- open a disk partition
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opendisk() opens path, for reading and/or writing as specified by the argument flags using open(2), and the file descriptor is returned to the caller. buf is used to store the resultant filename. bufl... |
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openlog(3) -- control system log
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The syslog() function writes message to the system message logger. The message is then written to the system console, log files, logged-in users, or forwarded to other machines as appropriate (See sys... |
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openpty(3) -- tty utility functions
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The openpty(), login_tty(), and forkpty() functions perform manipulations on ttys and pseudo-ttys. The openpty() function finds an available pseudo-tty and returns file descriptors for the master and ... |
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OpenSSL_add_all_algorithms(3) -- add algorithms to internal table
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OpenSSL keeps an internal table of digest algorithms and ciphers. It uses this table to lookup ciphers via functions such as EVP_get_cipher_byname(). OpenSSL_add_all_digests() adds all digest algorith... |
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openssl_bio(3) -- I/O abstraction
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A BIO is an I/O abstraction, it hides many of the underlying I/O details from an application. If an application uses a BIO for its I/O it can transparently handle SSL connections, unencrypted network ... |
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openssl_blowfish(3) -- Blowfish encryption
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This library implements the Blowfish cipher, which was invented and described by Counterpane (see http://www.counterpane.com/blowfish.html ). Blowfish is a block cipher that operates on 64 bit (8 byte... |
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openssl_bn(3) -- multiprecision integer arithmetics
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This library performs arithmetic operations on integers of arbitrary size. It was written for use in public key cryptography, such as RSA and Diffie-Hellman. It uses dynamic memory allocation for stor... |
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openssl_bn_internal(3) -- BIGNUM library internal functions
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This page documents the internal functions used by the OpenSSL BIGNUM implementation. They are described here to facilitate debugging and extending the library. They are not to be used by applications... |
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openssl_buffer(3) -- simple character arrays structure
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The buffer library handles simple character arrays. Buffers are used for various purposes in the library, most notably memory BIOs. The library uses the BUF_MEM structure defined in buffer.h: typedef ... |
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openssl_des(3) -- DES encryption
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This library contains a fast implementation of the DES encryption algorithm. There are two phases to the use of DES encryption. The first is the generation of a des_key_schedule from a key, the second... |
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openssl_dh(3) -- Diffie-Hellman key agreement
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These functions implement the Diffie-Hellman key agreement protocol. The generation of shared DH parameters is described in DH_generate_parameters(3); DH_generate_key(3) describes how to perform a key... |
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openssl_dsa(3) -- Digital Signature Algorithm
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These functions implement the Digital Signature Algorithm (DSA). The generation of shared DSA parameters is described in DSA_generate_parameters(3); DSA_generate_key(3) describes how to generate a sig... |
