Section 7 of the manual provides overviews on various topics, and describes conventions and protocols, character set standards, the standard filesystem layout, and miscellaneous other things.
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- AF_RXRPC
- rxrpc - Linux RxRPC (AFS) protocol implementation
- EVP_ASYM_CIPHER-RSA
- RSA Asymmetric Cipher algorithm support
- EVP_ASYM_CIPHER-SM2
- SM2 Asymmetric Cipher algorithm support
- EVP_CIPHER-AES
- The AES EVP_CIPHER implementations
- EVP_CIPHER-ARIA
- The ARIA EVP_CIPHER implementations
- EVP_CIPHER-BLOWFISH
- The BLOBFISH EVP_CIPHER implementations
- EVP_CIPHER-CAMELLIA
- The CAMELLIA EVP_CIPHER implementations
- EVP_CIPHER-CAST
- The CAST EVP_CIPHER implementations
- EVP_CIPHER-CHACHA
- The CHACHA EVP_CIPHER implementations
- EVP_CIPHER-DES
- The DES EVP_CIPHER implementations
- EVP_CIPHER-IDEA
- The IDEA EVP_CIPHER implementations
- EVP_CIPHER-NULL
- The NULL EVP_CIPHER implementation
- EVP_CIPHER-RC2
- The RC2 EVP_CIPHER implementations
- EVP_CIPHER-RC4
- The RC4 EVP_CIPHER implementations
- EVP_CIPHER-RC5
- The RC5 EVP_CIPHER implementations
- EVP_CIPHER-SEED
- The SEED EVP_CIPHER implementations
- EVP_CIPHER-SM4
- The SM4 EVP_CIPHER implementations
- EVP_KDF-HKDF
- The HKDF EVP_KDF implementation
- EVP_KDF-KB
- The Key-Based EVP_KDF implementation
- EVP_KDF-KRB5KDF
- The RFC3961 Krb5 KDF EVP_KDF implementation
- EVP_KDF-PBKDF1
- The PBKDF1 EVP_KDF implementation
- EVP_KDF-PBKDF2
- The PBKDF2 EVP_KDF implementation
- EVP_KDF-PKCS12KDF
- The PKCS#12 EVP_KDF implementation
- EVP_KDF-SCRYPT
- The scrypt EVP_KDF implementation
- EVP_KDF-SS
- The Single Step / One Step EVP_KDF implementation
- EVP_KDF-SSHKDF
- The SSHKDF EVP_KDF implementation
- EVP_KDF-TLS13_KDF
- The TLS 1.3 EVP_KDF implementation
- EVP_KDF-TLS1_PRF
- The TLS1 PRF EVP_KDF implementation
- EVP_KDF-X942-ASN1
- The X9.42-2003 asn1 EVP_KDF implementation
- EVP_KDF-X942-CONCAT
- The X942 Concat EVP_KDF implementation
- EVP_KDF-X963
- The X9.63-2001 EVP_KDF implementation
- EVP_KEM-RSA
- EVP_KEM RSA keytype and algorithm support
- EVP_KEYEXCH-DH
- DH Key Exchange algorithm support
- EVP_KEYEXCH-ECDH
- ECDH Key Exchange algorithm support
- EVP_KEYEXCH-X25519
- EVP_KEYEXCH-X25519, EVP_KEYEXCH-X448 - X25519 and X448 Key Exchange algorithm support
- EVP_KEYEXCH-X448
- EVP_KEYEXCH-X25519, EVP_KEYEXCH-X448 - X25519 and X448 Key Exchange algorithm support
- EVP_KEYMGMT-CMAC
- EVP_PKEY-HMAC, EVP_KEYMGMT-HMAC, EVP_PKEY-Siphash, EVP_KEYMGMT-Siphash, EVP_PKEY-Poly1305, EVP_KEYMGMT-Poly1305, EVP_PKEY-CMAC, EVP_KEYMGMT-CMAC - EVP_PKEY legacy MAC keytypes and algorithm support
- EVP_KEYMGMT-DH
- EVP_PKEY-DH, EVP_PKEY-DHX, EVP_KEYMGMT-DH, EVP_KEYMGMT-DHX - EVP_PKEY DH and DHX keytype and algorithm support
- EVP_KEYMGMT-DHX
- EVP_PKEY-DH, EVP_PKEY-DHX, EVP_KEYMGMT-DH, EVP_KEYMGMT-DHX - EVP_PKEY DH and DHX keytype and algorithm support
- EVP_KEYMGMT-DSA
- EVP_PKEY-DSA, EVP_KEYMGMT-DSA - EVP_PKEY DSA keytype and algorithm support
- EVP_KEYMGMT-EC
- EVP_PKEY-EC, EVP_KEYMGMT-EC - EVP_PKEY EC keytype and algorithm support
- EVP_KEYMGMT-ED25519
- EVP_PKEY-X25519, EVP_PKEY-X448, EVP_PKEY-ED25519, EVP_PKEY-ED448, EVP_KEYMGMT-X25519, EVP_KEYMGMT-X448, EVP_KEYMGMT-ED25519, EVP_KEYMGMT-ED448 - EVP_PKEY X25519, X448, ED25519 and ED448 keytype and algorithm support
- EVP_KEYMGMT-ED448
- EVP_PKEY-X25519, EVP_PKEY-X448, EVP_PKEY-ED25519, EVP_PKEY-ED448, EVP_KEYMGMT-X25519, EVP_KEYMGMT-X448, EVP_KEYMGMT-ED25519, EVP_KEYMGMT-ED448 - EVP_PKEY X25519, X448, ED25519 and ED448 keytype and algorithm support
- EVP_KEYMGMT-HMAC
- EVP_PKEY-HMAC, EVP_KEYMGMT-HMAC, EVP_PKEY-Siphash, EVP_KEYMGMT-Siphash, EVP_PKEY-Poly1305, EVP_KEYMGMT-Poly1305, EVP_PKEY-CMAC, EVP_KEYMGMT-CMAC - EVP_PKEY legacy MAC keytypes and algorithm support
- EVP_KEYMGMT-Poly1305
- EVP_PKEY-HMAC, EVP_KEYMGMT-HMAC, EVP_PKEY-Siphash, EVP_KEYMGMT-Siphash, EVP_PKEY-Poly1305, EVP_KEYMGMT-Poly1305, EVP_PKEY-CMAC, EVP_KEYMGMT-CMAC - EVP_PKEY legacy MAC keytypes and algorithm support
- EVP_KEYMGMT-RSA
- EVP_PKEY-RSA, EVP_KEYMGMT-RSA, RSA - EVP_PKEY RSA keytype and algorithm support
- EVP_KEYMGMT-SM2
- EVP_PKEY-SM2, EVP_KEYMGMT-SM2, SM2 - EVP_PKEY keytype support for the Chinese SM2 signature and encryption algorithms
- EVP_KEYMGMT-Siphash
- EVP_PKEY-HMAC, EVP_KEYMGMT-HMAC, EVP_PKEY-Siphash, EVP_KEYMGMT-Siphash, EVP_PKEY-Poly1305, EVP_KEYMGMT-Poly1305, EVP_PKEY-CMAC, EVP_KEYMGMT-CMAC - EVP_PKEY legacy MAC keytypes and algorithm support
- EVP_KEYMGMT-X25519
- EVP_PKEY-X25519, EVP_PKEY-X448, EVP_PKEY-ED25519, EVP_PKEY-ED448, EVP_KEYMGMT-X25519, EVP_KEYMGMT-X448, EVP_KEYMGMT-ED25519, EVP_KEYMGMT-ED448 - EVP_PKEY X25519, X448, ED25519 and ED448 keytype and algorithm support
- EVP_KEYMGMT-X448
- EVP_PKEY-X25519, EVP_PKEY-X448, EVP_PKEY-ED25519, EVP_PKEY-ED448, EVP_KEYMGMT-X25519, EVP_KEYMGMT-X448, EVP_KEYMGMT-ED25519, EVP_KEYMGMT-ED448 - EVP_PKEY X25519, X448, ED25519 and ED448 keytype and algorithm support
- EVP_MAC-BLAKE2
- EVP_MAC-BLAKE2, EVP_MAC-BLAKE2BMAC, EVP_MAC-BLAKE2SMAC - The BLAKE2 EVP_MAC implementations
- EVP_MAC-BLAKE2BMAC
- EVP_MAC-BLAKE2, EVP_MAC-BLAKE2BMAC, EVP_MAC-BLAKE2SMAC - The BLAKE2 EVP_MAC implementations
- EVP_MAC-BLAKE2SMAC
- EVP_MAC-BLAKE2, EVP_MAC-BLAKE2BMAC, EVP_MAC-BLAKE2SMAC - The BLAKE2 EVP_MAC implementations
- EVP_MAC-CMAC
- The CMAC EVP_MAC implementation
- EVP_MAC-GMAC
- The GMAC EVP_MAC implementation
- EVP_MAC-HMAC
- The HMAC EVP_MAC implementation
- EVP_MAC-KMAC
- EVP_MAC-KMAC, EVP_MAC-KMAC128, EVP_MAC-KMAC256 - The KMAC EVP_MAC implementations
- EVP_MAC-KMAC128
- EVP_MAC-KMAC, EVP_MAC-KMAC128, EVP_MAC-KMAC256 - The KMAC EVP_MAC implementations
- EVP_MAC-KMAC256
- EVP_MAC-KMAC, EVP_MAC-KMAC128, EVP_MAC-KMAC256 - The KMAC EVP_MAC implementations
- EVP_MAC-Poly1305
- The Poly1305 EVP_MAC implementation
- EVP_MAC-Siphash
- The Siphash EVP_MAC implementation
- EVP_MD-BLAKE2
- The BLAKE2 EVP_MD implementation
- EVP_MD-KECCAK-KMAC
- EVP_MD-SHAKE, EVP_MD-KECCAK-KMAC - The SHAKE / KECCAK family EVP_MD implementations
- EVP_MD-MD2
- The MD2 EVP_MD implementation
- EVP_MD-MD4
- The MD4 EVP_MD implementation
- EVP_MD-MD5-SHA1
- The MD5-SHA1 EVP_MD implementation
- EVP_MD-MD5
- The MD5 EVP_MD implementation
- EVP_MD-MDC2
- The MDC2 EVP_MD implementation
- EVP_MD-NULL
- The NULL EVP_MD implementation
- EVP_MD-RIPEMD160
- The RIPEMD160 EVP_MD implementation
- EVP_MD-SHA1
- The SHA1 EVP_MD implementation
- EVP_MD-SHA2
- The SHA2 EVP_MD implementation
- EVP_MD-SHA3
- The SHA3 EVP_MD implementations
- EVP_MD-SHAKE
- EVP_MD-SHAKE, EVP_MD-KECCAK-KMAC - The SHAKE / KECCAK family EVP_MD implementations
- EVP_MD-SM3
- The SM3 EVP_MD implementations
- EVP_MD-WHIRLPOOL
- The WHIRLPOOL EVP_MD implementation
- EVP_MD-common
- The OpenSSL EVP_MD implementations, common things
- EVP_PKEY-CMAC
- EVP_PKEY-HMAC, EVP_KEYMGMT-HMAC, EVP_PKEY-Siphash, EVP_KEYMGMT-Siphash, EVP_PKEY-Poly1305, EVP_KEYMGMT-Poly1305, EVP_PKEY-CMAC, EVP_KEYMGMT-CMAC - EVP_PKEY legacy MAC keytypes and algorithm support
- EVP_PKEY-DH
- EVP_PKEY-DH, EVP_PKEY-DHX, EVP_KEYMGMT-DH, EVP_KEYMGMT-DHX - EVP_PKEY DH and DHX keytype and algorithm support
- EVP_PKEY-DHX
- EVP_PKEY-DH, EVP_PKEY-DHX, EVP_KEYMGMT-DH, EVP_KEYMGMT-DHX - EVP_PKEY DH and DHX keytype and algorithm support
- EVP_PKEY-DSA
- EVP_PKEY-DSA, EVP_KEYMGMT-DSA - EVP_PKEY DSA keytype and algorithm support
- EVP_PKEY-EC
- EVP_PKEY-EC, EVP_KEYMGMT-EC - EVP_PKEY EC keytype and algorithm support
- EVP_PKEY-ED25519
- EVP_PKEY-X25519, EVP_PKEY-X448, EVP_PKEY-ED25519, EVP_PKEY-ED448, EVP_KEYMGMT-X25519, EVP_KEYMGMT-X448, EVP_KEYMGMT-ED25519, EVP_KEYMGMT-ED448 - EVP_PKEY X25519, X448, ED25519 and ED448 keytype and algorithm support
- EVP_PKEY-ED448
- EVP_PKEY-X25519, EVP_PKEY-X448, EVP_PKEY-ED25519, EVP_PKEY-ED448, EVP_KEYMGMT-X25519, EVP_KEYMGMT-X448, EVP_KEYMGMT-ED25519, EVP_KEYMGMT-ED448 - EVP_PKEY X25519, X448, ED25519 and ED448 keytype and algorithm support
- EVP_PKEY-FFC
- EVP_PKEY DSA and DH/DHX shared FFC parameters
- EVP_PKEY-HMAC
- EVP_PKEY-HMAC, EVP_KEYMGMT-HMAC, EVP_PKEY-Siphash, EVP_KEYMGMT-Siphash, EVP_PKEY-Poly1305, EVP_KEYMGMT-Poly1305, EVP_PKEY-CMAC, EVP_KEYMGMT-CMAC - EVP_PKEY legacy MAC keytypes and algorithm support
- EVP_PKEY-Poly1305
- EVP_PKEY-HMAC, EVP_KEYMGMT-HMAC, EVP_PKEY-Siphash, EVP_KEYMGMT-Siphash, EVP_PKEY-Poly1305, EVP_KEYMGMT-Poly1305, EVP_PKEY-CMAC, EVP_KEYMGMT-CMAC - EVP_PKEY legacy MAC keytypes and algorithm support
- EVP_PKEY-RSA
- EVP_PKEY-RSA, EVP_KEYMGMT-RSA, RSA - EVP_PKEY RSA keytype and algorithm support
- EVP_PKEY-SM2
- EVP_PKEY-SM2, EVP_KEYMGMT-SM2, SM2 - EVP_PKEY keytype support for the Chinese SM2 signature and encryption algorithms
- EVP_PKEY-Siphash
- EVP_PKEY-HMAC, EVP_KEYMGMT-HMAC, EVP_PKEY-Siphash, EVP_KEYMGMT-Siphash, EVP_PKEY-Poly1305, EVP_KEYMGMT-Poly1305, EVP_PKEY-CMAC, EVP_KEYMGMT-CMAC - EVP_PKEY legacy MAC keytypes and algorithm support
- EVP_PKEY-X25519
- EVP_PKEY-X25519, EVP_PKEY-X448, EVP_PKEY-ED25519, EVP_PKEY-ED448, EVP_KEYMGMT-X25519, EVP_KEYMGMT-X448, EVP_KEYMGMT-ED25519, EVP_KEYMGMT-ED448 - EVP_PKEY X25519, X448, ED25519 and ED448 keytype and algorithm support
- EVP_PKEY-X448
- EVP_PKEY-X25519, EVP_PKEY-X448, EVP_PKEY-ED25519, EVP_PKEY-ED448, EVP_KEYMGMT-X25519, EVP_KEYMGMT-X448, EVP_KEYMGMT-ED25519, EVP_KEYMGMT-ED448 - EVP_PKEY X25519, X448, ED25519 and ED448 keytype and algorithm support
- EVP_RAND-CTR-DRBG
- The CTR DRBG EVP_RAND implementation
- EVP_RAND-HASH-DRBG
- The HASH DRBG EVP_RAND implementation
- EVP_RAND-HMAC-DRBG
- The HMAC DRBG EVP_RAND implementation
- EVP_RAND-SEED-SRC
- The randomness seed source EVP_RAND implementation
- EVP_RAND-TEST-RAND
- The test EVP_RAND implementation
- EVP_RAND
- the random bit generator
- EVP_SIGNATURE-CMAC
- EVP_SIGNATURE-HMAC, EVP_SIGNATURE-Siphash, EVP_SIGNATURE-Poly1305, EVP_SIGNATURE-CMAC - The legacy EVP_PKEY MAC signature implementations
- EVP_SIGNATURE-DSA
- The EVP_PKEY DSA signature implementation