Index O

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Obcode library 
obcode_init( ) 
obit_get( ) 
obit_set( ) 
OCB (Offset Codebook) mode 
OCSP (Online Certificate Status Protocol) 
    chain responders 
    checking revocation status using OpenSSL 
    error codes for responder queries 
    responder result codes 
OCSPSigning bit 
OFB (Output Feedback) mode  2nd 
    block cipher setup, OpenSSL 
    high-level API 
    initialization 
    parallelization issues 
    PKCS#11 compliance 
    precomputing keystream for 
    SPC_OFB_CTX data type 
OMAC 
    AES specification 
    nonces, using with 
OMAC1 and OMAC2 
one-time pads 
one-time password systems 
one-time values used in cryptography 
Online Certificate Status Protocol  [See OCSP]
open( ) 
    filesystem support of O_EXCL flag 
OpenProcessToken( )  2nd 
OpenSSL 
    additional cipher setup 
    arbitrary precision math library 
    BIGNUM  [See BIGNUM library]
    BIO objects 
    block cipher implementations 
    block ciphers, setup in 
    Blowfish, 256-bit version in CBC mode 
    building certificate signing requests (CSRs) 
    certificate authorities, operation using 
    certificate status, checking via OCSP 
    certificate verification of an SSL peer 
    cipher configuration properties, querying 
    clients, creating 
    configurable cipher parameters 
    decryption using RSA private keys 
    DER encoding API 
    Diffie-Hellman protocol generator value 
    digital signature support 
    disabling CBC mode cipher padding 
    disentangling public and private keys 
    DSA implementation 
        signature precomputation 
    encryption phases 
    encryption using an RSA public key 
    entropy gathering from keyboards under Unix 
    EVP interface 
    generating public and private keys 
    hash functions 
        EVP API 
        recommended 
        summary 
    HMAC implementation 
    home page 
    low-level encryption and decryption using 
    message authentication via HMAC 
    PEM API 
        BIO and FILE objects 
        supported encryption algorithms 
    random number API, using 
        /dev/urandom, reliance on 
        seeding the generator 
    root certificates, obtaining with 
    spc_md5_encrypt( ) 
    Stunnel and 
    variable key-length ciphers, using in 
    X.509 certificate verification using 
OpenSSL_add_all_algorithms( ) 
OpenSSL_add_all_ciphers( ) 
OpenThreadToken( )  2nd  3rd 
operating systems as sources of entropy 
OPIE 
outlen, input to spc_words2bin( ) 
overlong sequences