section 3 · Library functions 📚

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C (continued)

critcl_sources(3tcl)Critcl - How To Get The Sources✨
critcl_tcl9(3tcl)How To Adapt Critcl Packages for Tcl 9✨
critcl_usingit(3tcl)Using Critcl✨
critcl_util(3tcl)CriTcl - Utilities✨
critical(3)✨
criticism(3pm)Perl pragma to enforce coding standards and best-practices✨
critnib(3)an ordered map data structure with lock-free reads✨
CRL_DIST_POINTS_free(3)ASN1 object utilities✨
CRL_DIST_POINTS_free(33ssl)ASN1 object utilities✨
CRL_DIST_POINTS_free(3ossl)ASN1 object utilities✨
CRL_DIST_POINTS_free(3ssl)ASN1 object utilities✨
CRL_DIST_POINTS_new(3)ASN1 object utilities✨
CRL_DIST_POINTS_new(33ssl)ASN1 object utilities✨
CRL_DIST_POINTS_new(3ossl)ASN1 object utilities✨
CRL_DIST_POINTS_new(3ssl)ASN1 object utilities✨
cron(3tcl)Tool for automating the period callback of commands✨
crop_image(3)Crop image to specific dimensions✨
cropen(3)the extended API of QDBM✨
cross(3G)calculate the cross product of two vectors✨
cross(3clc)Cross product. float4 cross(float4 p0, float4 p1); float3 cross(float3 p0, float3 p1); double4 cross(double4 p0, double4 p1); double3 cross(double3 p0, double3 p1); half4 cross (half4 p0, half4 p1)…✨
cross_buf_id(3)✨
cross_buf_ptr(3)✨
cross_product(3)Calculates the cross product. Allegro game programming library.✨
cross_product(3alleg4)Calculates the cross product. Allegro game programming library.✨
cross_product_f(3)Calculates the cross product. Allegro game programming library.✨
cross_product_f(3alleg4)Calculates the cross product. Allegro game programming library.✨
crosshair(3tk)Crosshairs for Tk canvas✨
CROT(3)✨
crot(3)✨
crot.f(3)✨
CROTG(3)✨
crotg(3)✨
crotg.f(3)✨
crotg.f90(3)✨
CRQT01(3)✨
crqt01(3)✨
crqt01.f(3)✨
CRQT02(3)✨
crqt02(3)✨
crqt02.f(3)✨
CRQT03(3)✨
crqt03(3)✨
crqt03.f(3)✨
CRSCL(3)✨
crscl(3)✨
crscl.f(3)✨
crypt(3)passphrase hashing✨
crypt(3p)string encoding function (CRYPT)✨
crypt(3posix)string encoding function (CRYPT)✨
crypt(3trf)Password hashing based on "crypt"✨
Crypt::Argon2(3pm)Perl interface to the Argon2 key derivation functions✨
Crypt::ASN1(3pm)DER ASN.1 parser and encoder based on libtomcrypt✨
Crypt::AuthEnc(3pm)[internal only]✨
Crypt::AuthEnc::CCM(3pm)Authenticated encryption in CCM mode✨
Crypt::AuthEnc::ChaCha20Poly1305(3pm)Authenticated encryption in ChaCha20-Poly1305 mode✨
Crypt::AuthEnc::EAX(3pm)Authenticated encryption in EAX mode✨
Crypt::AuthEnc::GCM(3pm)Authenticated encryption in GCM mode✨
Crypt::AuthEnc::GCMSIV(3pm)Authenticated encryption in AES-GCM-SIV mode (RFC 8452)✨
Crypt::AuthEnc::OCB(3pm)Authenticated encryption in OCBv3 mode✨
Crypt::AuthEnc::SIV(3pm)Authenticated encryption in SIV mode✨
Crypt::AuthEnc::XChaCha20Poly1305(3pm)Authenticated encryption in XChaCha20-Poly1305 mode✨
Crypt::Bcrypt(3pm)A modern bcrypt implementation✨
Crypt::Blowfish(3pm)Perl Blowfish encryption module✨
Crypt::Blowfish_PP(3pm)Blowfish encryption algorithm implemented purely in Perl✨
Crypt::CAST5(3pm)CAST5 block cipher✨
Crypt::CAST5_PP(3pm)CAST5 block cipher in pure Perl✨
Crypt::CBC(3pm)Encrypt Data with Cipher Block Chaining Mode✨
Crypt::Checksum(3pm)[internal only]✨
Crypt::Checksum::Adler32(3pm)Compute Adler32 checksum✨
Crypt::Checksum::CRC32(3pm)Compute CRC32 checksum✨
Crypt::Cipher(3pm)Generic interface to cipher functions✨
Crypt::Cipher::AES(3pm)Symmetric cipher AES (aka Rijndael), key size: 128/192/256 bits✨
Crypt::Cipher::Anubis(3pm)Symmetric cipher Anubis, key size: 128-320 bits✨
Crypt::Cipher::ARIA(3pm)Symmetric cipher ARIA, key size: 128/192/256 bits✨
Crypt::Cipher::Blowfish(3pm)Symmetric cipher Blowfish, key size: 64-576 bits✨
Crypt::Cipher::Camellia(3pm)Symmetric cipher Camellia, key size: 128/192/256 bits✨
Crypt::Cipher::CAST5(3pm)Symmetric cipher CAST5 (aka CAST-128), key size: 40-128 bits✨
Crypt::Cipher::DES(3pm)Symmetric cipher DES, key size: 64[56] bits✨
Crypt::Cipher::DES_EDE(3pm)Symmetric cipher DES_EDE (aka Triple-DES, 3DES), key size: 192[168] bits✨
Crypt::Cipher::IDEA(3pm)Symmetric cipher IDEA, key size: 128 bits✨
Crypt::Cipher::KASUMI(3pm)Symmetric cipher KASUMI, key size: 128 bits✨
Crypt::Cipher::Khazad(3pm)Symmetric cipher Khazad, key size: 128 bits✨
Crypt::Cipher::MULTI2(3pm)Symmetric cipher MULTI2, key size: 320 bits✨
Crypt::Cipher::Noekeon(3pm)Symmetric cipher Noekeon, key size: 128 bits✨
Crypt::Cipher::RC2(3pm)Symmetric cipher RC2, key size: 40-1024 bits✨
Crypt::Cipher::RC5(3pm)Symmetric cipher RC5, key size: 64-1024 bits✨
Crypt::Cipher::RC6(3pm)Symmetric cipher RC6, key size: 64-1024 bits✨
Crypt::Cipher::SAFER_K128(3pm)Symmetric cipher SAFER_K128, key size: 128 bits✨
Crypt::Cipher::SAFER_K64(3pm)Symmetric cipher SAFER_K64, key size: 64 bits✨
Crypt::Cipher::SAFER_SK128(3pm)Symmetric cipher SAFER_SK128, key size: 128 bits✨
Crypt::Cipher::SAFER_SK64(3pm)Symmetric cipher SAFER_SK64, key size: 64 bits✨
Crypt::Cipher::SAFERP(3pm)Symmetric cipher SAFER+, key size: 128/192/256 bits✨
Crypt::Cipher::SEED(3pm)Symmetric cipher SEED, key size: 128 bits✨
Crypt::Cipher::Serpent(3pm)Symmetric cipher Serpent, key size: 128/192/256 bits✨
Crypt::Cipher::Skipjack(3pm)Symmetric cipher Skipjack, key size: 80 bits✨
Crypt::Cipher::SM4(3pm)Symmetric cipher SM4, key size: 128 bits✨
Crypt::Cipher::Twofish(3pm)Symmetric cipher Twofish, key size: 128/192/256 bits✨
Crypt::Cipher::XTEA(3pm)Symmetric cipher XTEA, key size: 128 bits✨
Crypt::CipherSaber(3pm)Perl module implementing CipherSaber encryption.✨
Crypt::Cracklib(3pm)Perl interface to Alec Muffett's Cracklib.✨
Crypt::Curve25519(3pm)Generate shared secret using elliptic-curve Diffie-Hellman function✨
Crypt::DES(3pm)Perl DES encryption module✨
Crypt::DES_EDE3(3pm)Triple-DES EDE encryption/decryption✨
Crypt::DH(3pm)Diffie-Hellman key exchange system✨
Crypt::DH::GMP(3pm)Crypt::DH Using GMP Directly✨
Crypt::DH::GMP::Compat(3pm)Compatibility Mode For Crypt::DH✨
Crypt::Digest(3pm)Generic interface to hash/digest functions✨
Crypt::Digest::BLAKE2b_160(3pm)Hash function BLAKE2b [size: 160 bits]✨
Crypt::Digest::BLAKE2b_256(3pm)Hash function BLAKE2b [size: 256 bits]✨
Crypt::Digest::BLAKE2b_384(3pm)Hash function BLAKE2b [size: 384 bits]✨
Crypt::Digest::BLAKE2b_512(3pm)Hash function BLAKE2b [size: 512 bits]✨
Crypt::Digest::BLAKE2s_128(3pm)Hash function BLAKE2s [size: 128 bits]✨
Crypt::Digest::BLAKE2s_160(3pm)Hash function BLAKE2s [size: 160 bits]✨
Crypt::Digest::BLAKE2s_224(3pm)Hash function BLAKE2s [size: 224 bits]✨
Crypt::Digest::BLAKE2s_256(3pm)Hash function BLAKE2s [size: 256 bits]✨
Crypt::Digest::BLAKE3(3pm)Hash function BLAKE3 [size: 256 bits]✨
Crypt::Digest::CHAES(3pm)Hash function - CipherHash based on AES [size: 128 bits]✨
Crypt::Digest::KangarooTwelve(3pm)XOF (extendable output) hash function KangarooTwelve✨
Crypt::Digest::Keccak224(3pm)Hash function Keccak-224 [size: 224 bits]✨
Crypt::Digest::Keccak256(3pm)Hash function Keccak-256 [size: 256 bits]✨
Crypt::Digest::Keccak384(3pm)Hash function Keccak-384 [size: 384 bits]✨
Crypt::Digest::Keccak512(3pm)Hash function Keccak-512 [size: 512 bits]✨
Crypt::Digest::MD2(3pm)Hash function MD2 [size: 128 bits]✨
Crypt::Digest::MD4(3pm)Hash function MD4 [size: 128 bits]✨
Crypt::Digest::MD5(3pm)Hash function MD5 [size: 128 bits]✨
Crypt::Digest::RIPEMD128(3pm)Hash function RIPEMD-128 [size: 128 bits]✨
Crypt::Digest::RIPEMD160(3pm)Hash function RIPEMD-160 [size: 160 bits]✨
Crypt::Digest::RIPEMD256(3pm)Hash function RIPEMD-256 [size: 256 bits]✨
Crypt::Digest::RIPEMD320(3pm)Hash function RIPEMD-320 [size: 320 bits]✨
Crypt::Digest::SHA1(3pm)Hash function SHA-1 [size: 160 bits]✨
Crypt::Digest::SHA224(3pm)Hash function SHA-224 [size: 224 bits]✨
Crypt::Digest::SHA256(3pm)Hash function SHA-256 [size: 256 bits]✨
Crypt::Digest::SHA384(3pm)Hash function SHA-384 [size: 384 bits]✨
Crypt::Digest::SHA3_224(3pm)Hash function SHA3-224 [size: 224 bits]✨
Crypt::Digest::SHA3_256(3pm)Hash function SHA3-256 [size: 256 bits]✨
Crypt::Digest::SHA3_384(3pm)Hash function SHA3-384 [size: 384 bits]✨
Crypt::Digest::SHA3_512(3pm)Hash function SHA3-512 [size: 512 bits]✨
Crypt::Digest::SHA512(3pm)Hash function SHA-512 [size: 512 bits]✨
Crypt::Digest::SHA512_224(3pm)Hash function SHA-512/224 [size: 224 bits]✨
Crypt::Digest::SHA512_256(3pm)Hash function SHA-512/256 [size: 256 bits]✨
Crypt::Digest::SHAKE(3pm)Hash functions SHAKE128, SHAKE256 from SHA3 family✨
Crypt::Digest::SM3(3pm)Hash function SM3 [size: 256 bits]✨
Crypt::Digest::Tiger192(3pm)Hash function Tiger-192 [size: 192 bits]✨
Crypt::Digest::TurboSHAKE(3pm)XOF (extendable output) hash functions TurboSHAKE128 and TurboSHAKE256✨
Crypt::Digest::Whirlpool(3pm)Hash function Whirlpool [size: 512 bits]✨
Crypt::DSA(3pm)DSA Signatures and Key Generation✨
Crypt::DSA::Key(3pm)DSA key✨
Crypt::DSA::Key::PEM(3pm)Read/write DSA PEM files✨
Crypt::DSA::Key::SSH2(3pm)Read/write DSA SSH2 files✨
Crypt::DSA::KeyChain(3pm)DSA key generation system✨
Crypt::DSA::Signature(3pm)DSA signature object✨
Crypt::DSA::Util(3pm)DSA Utility functions✨
Crypt::ECB(3pm)Use block ciphers using ECB mode✨
Crypt::Eksblowfish(3pm)the Eksblowfish block cipher✨
Crypt::Eksblowfish::Bcrypt(3pm)Blowfish-based Unix crypt() password hash✨
Crypt::Eksblowfish::Blowfish(3pm)Blowfish block cipher via Eksblowfish engine✨
Crypt::Eksblowfish::Family(3pm)Eksblowfish cipher family✨
Crypt::Eksblowfish::Subkeyed(3pm)Blowfish/Eksblowfish with access to subkeys✨
Crypt::Eksblowfish::Uklblowfish(3pm)Blowfish cipher with unrestricted key length✨
Crypt::Format(3pm)Conversion utilities for encryption applications✨
Crypt::GCrypt(3pm)Perl interface to the GNU Cryptographic library✨
Crypt::GCrypt::MPI(3pm)Perl interface to multi-precision integers from the GNU Cryptographic library✨
Crypt::GeneratePassword(3pm)generate secure random pronounceable passwords✨
Crypt::GPG(3pm)An Object Oriented Interface to GnuPG.✨
Crypt::HCE_SHA(3pm)Perl extension implementing one way hash chaining encryption using SHA✨
Crypt::HSXKPasswd(3pm)A secure memorable password generator inspired by Steve Gibson's Passord Haystacks (<https://www.grc.com/haystack.htm>), and the famous XKCD password cartoon (<https://xkcd.com/936/>).✨
Crypt::IDEA(3pm)Perl interface to IDEA block cipher✨
Crypt::JWT(3pm)JSON Web Token (JWT, JWS, JWE) as defined by RFC7519, RFC7515, RFC7516✨
Crypt::KeyDerivation(3pm)PBKDF1, PBKDF2, HKDF, Bcrypt, Scrypt, Argon2 key derivation functions✨
Crypt::KeyWrap(3pm)Key management/wrapping algorithms defined in RFC7518 (JWA)✨
Crypt::Mac(3pm)[internal only]✨
Crypt::Mac::BLAKE2b(3pm)Message authentication code BLAKE2b MAC (RFC 7693)✨
Crypt::Mac::BLAKE2s(3pm)Message authentication code BLAKE2s MAC (RFC 7693)✨
Crypt::Mac::F9(3pm)Message authentication code F9✨
Crypt::Mac::HMAC(3pm)Message authentication code HMAC✨
Crypt::Mac::KMAC(3pm)Message authentication code KMAC (NIST SP 800-185)✨
Crypt::Mac::OMAC(3pm)Message authentication code OMAC✨
Crypt::Mac::Pelican(3pm)Message authentication code Pelican (AES based MAC)✨
Crypt::Mac::PMAC(3pm)Message authentication code PMAC✨
Crypt::Mac::Poly1305(3pm)Message authentication code Poly1305 (RFC 7539)✨
Crypt::Mac::XCBC(3pm)Message authentication code XCBC (RFC 3566)✨
Crypt::Misc(3pm)miscellaneous functions related to (or used by) CryptX✨
Crypt::Mode(3pm)[internal only]✨
Crypt::Mode::CBC(3pm)Block cipher mode CBC [Cipher-block chaining]✨
Crypt::Mode::CFB(3pm)Block cipher mode CFB [Cipher feedback]✨
Crypt::Mode::CTR(3pm)Block cipher mode CTR [Counter mode]✨
Crypt::Mode::ECB(3pm)Block cipher mode ECB [Electronic codebook]✨
Crypt::Mode::OFB(3pm)Block cipher mode OFB [Output feedback]✨
Crypt::Mode::XTS(3pm)Block cipher mode XTS [XEX-based tweaked-codebook mode with ciphertext stealing]✨
Crypt::MySQL(3pm)emulate MySQL PASSWORD() function.✨
Crypt::OpenSSL::AES(3pm)A Perl wrapper around OpenSSL's AES library✨
Crypt::OpenSSL::Bignum(3pm)OpenSSL's multiprecision integer arithmetic✨
Crypt::OpenSSL::Bignum::CTX(3pm)Perl interface to the OpenSSL BN_CTX structure.✨
Crypt::OpenSSL::DSA(3pm)Digital Signature Algorithm using OpenSSL✨
Crypt::OpenSSL::DSA::Signature(3pm)Digital Signature Object✨
Crypt::OpenSSL::EC(3pm)Perl extension for OpenSSL EC (Elliptic Curves) library✨
Crypt::OpenSSL::ECDSA(3pm)Perl extension for OpenSSL ECDSA (Elliptic Curve Digital Signature Algorithm)✨
Crypt::OpenSSL::Guess(3pm)Guess OpenSSL include path✨
Crypt::OpenSSL::PKCS10(3pm)Perl extension to OpenSSL's PKCS10 API.✨
Crypt::OpenSSL::PKCS12(3pm)Perl extension to OpenSSL's PKCS12 API.✨