section 3ssl — Library functions

ADMISSIONS(3ssl) Accessors and settors for ADMISSION_SYNTAX
ASN1_aux_cb(3ssl) ASN.1 auxiliary data
ASN1_EXTERN_FUNCS(3ssl) ASN.1 external function support
ASN1_generate_nconf(3ssl) ASN1 string generation functions
ASN1_INTEGER_get_int64(3ssl) ASN.1 INTEGER and ENUMERATED utilities
ASN1_INTEGER_new(3ssl) ASN1_INTEGER allocation functions
ASN1_item_d2i_bio(3ssl) decode and encode DER-encoded ASN.1 structures
ASN1_ITEM_lookup(3ssl) lookup ASN.1 structures
ASN1_item_new(3ssl) create new ASN.1 values
ASN1_item_sign(3ssl) ASN1 sign and verify
ASN1_OBJECT_new(3ssl) object allocation functions
ASN1_STRING_length(3ssl) ASN1_STRING utility functions
ASN1_STRING_new(3ssl) ASN1_STRING allocation functions
ASN1_STRING_print_ex(3ssl) ASN1_STRING output routines
ASN1_STRING_TABLE_add(3ssl) ASN1_STRING_TABLE manipulation functions
ASN1_TIME_set(3ssl) ASN.1 Time functions
ASN1_TYPE_get(3ssl) ASN1_TYPE utility functions
ASYNC_start_job(3ssl) asynchronous job management functions
ASYNC_WAIT_CTX_new(3ssl) functions to manage waiting for asynchronous jobs to complete
b2i_PVK_bio_ex(3ssl) Decode and encode functions for reading and writing MSBLOB format private keys
BF_encrypt(3ssl) Blowfish encryption
BIO_ADDR(3ssl) BIO_ADDR routines
BIO_ADDRINFO(3ssl) BIO_ADDRINFO type and routines
BIO_connect(3ssl) BIO socket communication setup routines
BIO_ctrl(3ssl) BIO control operations
BIO_f_base64(3ssl) base64 BIO filter
BIO_f_buffer(3ssl) buffering BIO
BIO_f_cipher(3ssl) cipher BIO filter
BIO_f_md(3ssl) message digest BIO filter
BIO_f_null(3ssl) null filter
BIO_f_prefix(3ssl) prefix BIO filter
BIO_f_readbuffer(3ssl) read only buffering BIO that supports BIO_tell() and BIO_seek()
BIO_f_ssl(3ssl) SSL BIO
BIO_find_type(3ssl) BIO chain traversal
BIO_get_data(3ssl) functions for managing BIO state information
BIO_get_ex_new_index(3ssl) application-specific data
BIO_meth_new(3ssl) Routines to build up BIO methods
BIO_new(3ssl) BIO allocation and freeing functions
BIO_new_CMS(3ssl) CMS streaming filter BIO
BIO_parse_hostserv(3ssl) utility routines to parse a standard host and service string
BIO_printf(3ssl) formatted output to a BIO
BIO_push(3ssl) add and remove BIOs from a chain
BIO_read(3ssl) BIO I/O functions
BIO_s_accept(3ssl) accept BIO
BIO_s_bio(3ssl) BIO pair BIO
BIO_s_connect(3ssl) connect BIO
BIO_s_core(3ssl) OSSL_CORE_BIO functions
BIO_s_datagram(3ssl) Network BIO with datagram semantics
BIO_s_fd(3ssl) file descriptor BIO
BIO_s_file(3ssl) FILE bio
BIO_s_mem(3ssl) memory BIO
BIO_s_null(3ssl) null data sink
BIO_s_socket(3ssl) socket BIO
BIO_set_callback(3ssl) BIO callback functions
BIO_should_retry(3ssl) BIO retry functions
BIO_socket_wait(3ssl) BIO connection utility functions
BN_add(3ssl) arithmetic operations on BIGNUMs
BN_add_word(3ssl) arithmetic functions on BIGNUMs with integers
BN_BLINDING_new(3ssl) blinding related BIGNUM functions
BN_bn2bin(3ssl) format conversions
BN_cmp(3ssl) BIGNUM comparison and test functions
BN_copy(3ssl) copy BIGNUMs
BN_CTX_new(3ssl) allocate and free BN_CTX structures
BN_CTX_start(3ssl) use temporary BIGNUM variables
BN_generate_prime(3ssl) generate primes and test for primality
BN_mod_exp_mont(3ssl) Montgomery exponentiation
BN_mod_inverse(3ssl) compute inverse modulo n
BN_mod_mul_montgomery(3ssl) Montgomery multiplication
BN_mod_mul_reciprocal(3ssl) modular multiplication using reciprocal
BN_new(3ssl) allocate and free BIGNUMs
BN_num_bytes(3ssl) get BIGNUM size
BN_rand(3ssl) generate pseudo-random number
BN_security_bits(3ssl) returns bits of security based on given numbers
BN_set_bit(3ssl) bit operations on BIGNUMs
BN_swap(3ssl) exchange BIGNUMs
BN_zero(3ssl) BIGNUM assignment operations
BUF_MEM_new(3ssl) simple character array structure
CMS_add0_cert(3ssl) CMS certificate and CRL utility functions
CMS_add1_recipient_cert(3ssl) add recipients to a CMS enveloped data structure
CMS_add1_signer(3ssl) add a signer to a CMS_ContentInfo signed data structure
CMS_compress(3ssl) create a CMS CompressedData structure
CMS_data_create(3ssl) Create CMS Data object
CMS_decrypt(3ssl) decrypt content from a CMS envelopedData structure
CMS_digest_create(3ssl) Create CMS DigestedData object
CMS_encrypt(3ssl) create a CMS envelopedData structure
CMS_EncryptedData_decrypt(3ssl) Decrypt CMS EncryptedData
CMS_EncryptedData_encrypt(3ssl) Create CMS EncryptedData
CMS_EnvelopedData_create(3ssl) Create CMS envelope
CMS_final(3ssl) finalise a CMS_ContentInfo structure
CMS_get0_RecipientInfos(3ssl) CMS envelopedData RecipientInfo routines
CMS_get0_SignerInfos(3ssl) CMS signedData signer functions
CMS_get0_type(3ssl) get and set CMS content types and content
CMS_get1_ReceiptRequest(3ssl) CMS signed receipt request functions
CMS_sign(3ssl) create a CMS SignedData structure
CMS_sign_receipt(3ssl) create a CMS signed receipt
CMS_signed_get_attr(3ssl) CMS signed and unsigned attribute functions
CMS_uncompress(3ssl) uncompress a CMS CompressedData structure
CMS_verify(3ssl) verify a CMS SignedData structure
CMS_verify_receipt(3ssl) verify a CMS signed receipt
CONF_modules_free(3ssl) OpenSSL configuration cleanup functions
CONF_modules_load_file(3ssl) OpenSSL configuration functions
CRYPTO_get_ex_new_index(3ssl) functions supporting application-specific data
CRYPTO_memcmp(3ssl) Constant time memory comparison
CRYPTO_THREAD_run_once(3ssl) OpenSSL thread support
CT_POLICY_EVAL_CTX_new(3ssl) Encapsulates the data required to evaluate whether SCTs meet a Certificate Transparency policy
CTLOG_new(3ssl) encapsulates information about a Certificate Transparency log
CTLOG_STORE_get0_log_by_id(3ssl) Get a Certificate Transparency log from a CTLOG_STORE
CTLOG_STORE_new(3ssl) Create and populate a Certificate Transparency log list
d2i_PKCS8PrivateKey_bio(3ssl) PKCS#8 format private key functions
d2i_PrivateKey(3ssl) decode and encode functions for reading and saving EVP_PKEY structures
d2i_RSAPrivateKey(3ssl) DEPRECATED
d2i_SSL_SESSION(3ssl) convert SSL_SESSION object from/to ASN1 representation
d2i_X509(3ssl) convert objects from/to ASN.1/DER representation
DEFINE_STACK_OF(3ssl) stack container
DES_random_key(3ssl) DES encryption
DH_generate_key(3ssl) perform Diffie-Hellman key exchange
DH_generate_parameters(3ssl) generate and check Diffie-Hellman parameters
DH_get0_pqg(3ssl) Routines for getting and setting data in a DH object
DH_get_1024_160(3ssl) Create standardized public primes or DH pairs
DH_meth_new(3ssl) Routines to build up DH methods
DH_new(3ssl) allocate and free DH objects
DH_new_by_nid(3ssl) create or get DH named parameters
DH_set_method(3ssl) select DH method
DH_size(3ssl) get Diffie-Hellman prime size and security bits
DSA_do_sign(3ssl) raw DSA signature operations
DSA_dup_DH(3ssl) create a DH structure out of DSA structure
DSA_generate_key(3ssl) generate DSA key pair
DSA_generate_parameters(3ssl) generate DSA parameters
DSA_get0_pqg(3ssl) Routines for getting and setting data in a DSA object
DSA_meth_new(3ssl) Routines to build up DSA methods
DSA_new(3ssl) allocate and free DSA objects
DSA_set_method(3ssl) select DSA method
DSA_SIG_new(3ssl) allocate and free DSA signature objects
DSA_sign(3ssl) DSA signatures
DSA_size(3ssl) get DSA signature size, key bits or security bits
DTLS_get_data_mtu(3ssl) Get maximum data payload size
DTLS_set_timer_cb(3ssl) Set callback for controlling DTLS timer duration
DTLSv1_listen(3ssl) Statelessly listen for incoming connections
EC_GFp_simple_method(3ssl) Functions for obtaining EC_METHOD objects
EC_GROUP_copy(3ssl) Functions for manipulating EC_GROUP objects
EC_GROUP_new(3ssl) Functions for creating and destroying EC_GROUP objects
EC_KEY_get_enc_flags(3ssl) Get and set flags for encoding EC_KEY structures
EC_KEY_new(3ssl) Functions for creating, destroying and manipulating EC_KEY objects
EC_POINT_add(3ssl) Functions for performing mathematical operations and tests on EC_POINT objects
EC_POINT_new(3ssl) Functions for creating, destroying and manipulating EC_POINT objects
ECDSA_SIG_new(3ssl) Functions for creating, destroying and manipulating ECDSA_SIG objects
ECDSA_sign(3ssl) deprecated low-level elliptic curve digital signature algorithm (ECDSA) functions
ECPKParameters_print(3ssl) Functions for decoding and encoding ASN1 representations of elliptic curve entities
ENGINE_add(3ssl) ENGINE cryptographic module support
ERR_clear_error(3ssl) clear the error queue
ERR_error_string(3ssl) obtain human-readable error message
ERR_get_error(3ssl) obtain error code and data
ERR_GET_LIB(3ssl) get information from error codes
ERR_load_crypto_strings(3ssl) load and free error strings
ERR_load_strings(3ssl) load arbitrary error strings
ERR_new(3ssl) Error recording building blocks
ERR_print_errors(3ssl) print error messages
ERR_put_error(3ssl) record an error
ERR_remove_state(3ssl) DEPRECATED
ERR_set_mark(3ssl) set mark, clear mark and pop errors until mark
EVP_aes_128_gcm(3ssl) EVP AES cipher
EVP_aria_128_gcm(3ssl) EVP ARIA cipher
EVP_ASYM_CIPHER_free(3ssl) Functions to manage EVP_ASYM_CIPHER algorithm objects
EVP_bf_cbc(3ssl) EVP Blowfish cipher
EVP_blake2b512(3ssl) BLAKE2 For EVP
EVP_BytesToKey(3ssl) password based encryption routine
EVP_camellia_128_ecb(3ssl) EVP Camellia cipher
EVP_cast5_cbc(3ssl) EVP CAST cipher
EVP_chacha20(3ssl) EVP ChaCha20 stream cipher
EVP_CIPHER_CTX_get_cipher_data(3ssl) Routines to inspect and modify EVP_CIPHER_CTX objects
EVP_CIPHER_CTX_get_original_iv(3ssl) Routines to inspect EVP_CIPHER_CTX IV data
EVP_CIPHER_meth_new(3ssl) Routines to build up EVP_CIPHER methods
EVP_des_cbc(3ssl) EVP DES cipher
EVP_desx_cbc(3ssl) EVP DES-X cipher
EVP_DigestInit(3ssl) EVP digest routines
EVP_DigestSignInit(3ssl) EVP signing functions
EVP_DigestVerifyInit(3ssl) EVP signature verification functions
EVP_EncodeInit(3ssl) EVP base 64 encode/decode routines
EVP_EncryptInit(3ssl) EVP cipher routines
EVP_idea_cbc(3ssl) EVP IDEA cipher
EVP_KDF(3ssl) EVP KDF routines
EVP_KEM_free(3ssl) Functions to manage EVP_KEM algorithm objects
EVP_KEYEXCH_free(3ssl) Functions to manage EVP_KEYEXCH algorithm objects
EVP_KEYMGMT(3ssl) EVP key management routines
EVP_MAC(3ssl) EVP MAC routines
EVP_md2(3ssl) MD2 For EVP
EVP_md4(3ssl) MD4 For EVP
EVP_md5(3ssl) MD5 For EVP
EVP_MD_meth_new(3ssl) Routines to build up legacy EVP_MD methods
EVP_mdc2(3ssl) MDC-2 For EVP
EVP_OpenInit(3ssl) EVP envelope decryption
EVP_PBE_CipherInit(3ssl) Password based encryption routines
EVP_PKEY2PKCS8(3ssl) Convert a private key to/from PKCS8
EVP_PKEY_asn1_get_count(3ssl) enumerate public key ASN.1 methods
EVP_PKEY_ASN1_METHOD(3ssl) manipulating and registering EVP_PKEY_ASN1_METHOD structure
EVP_PKEY_check(3ssl) key and parameter validation functions
EVP_PKEY_copy_parameters(3ssl) public key parameter and comparison functions
EVP_PKEY_CTX_ctrl(3ssl) algorithm specific control operations
EVP_PKEY_CTX_get0_libctx(3ssl) functions for getting diverse information from an EVP_PKEY_CTX
EVP_PKEY_CTX_get0_pkey(3ssl) functions for accessing the EVP_PKEY associated with an EVP_PKEY_CTX
EVP_PKEY_CTX_new(3ssl) public key algorithm context functions
EVP_PKEY_CTX_set1_pbe_pass(3ssl) generic KDF support functions
EVP_PKEY_CTX_set_hkdf_md(3ssl) HMAC-based Extract-and-Expand key derivation algorithm
EVP_PKEY_CTX_set_params(3ssl) provider parameter passing operations
EVP_PKEY_CTX_set_rsa_pss_keygen_md(3ssl) EVP_PKEY RSA-PSS algorithm support functions
EVP_PKEY_CTX_set_scrypt_N(3ssl) EVP_PKEY scrypt KDF support functions
EVP_PKEY_CTX_set_tls1_prf_md(3ssl) TLS PRF key derivation algorithm
EVP_PKEY_decapsulate(3ssl) Key decapsulation using a KEM algorithm with a private key
EVP_PKEY_decrypt(3ssl) decrypt using a public key algorithm
EVP_PKEY_derive(3ssl) derive public key algorithm shared secret
EVP_PKEY_digestsign_supports_digest(3ssl) indicate support for signature digest
EVP_PKEY_encapsulate(3ssl) Key encapsulation using a KEM algorithm with a public key
EVP_PKEY_encrypt(3ssl) encrypt using a public key algorithm
EVP_PKEY_fromdata(3ssl) functions to create keys and key parameters from user data
EVP_PKEY_get_attr(3ssl) EVP_PKEY X509_ATTRIBUTE functions
EVP_PKEY_get_default_digest_nid(3ssl) get default signature digest
EVP_PKEY_get_field_type(3ssl) get field type or point conversion form of a key
EVP_PKEY_get_group_name(3ssl) get group name of a key
EVP_PKEY_get_size(3ssl) EVP_PKEY information functions
EVP_PKEY_gettable_params(3ssl) retrieve key parameters from a key
EVP_PKEY_is_a(3ssl) key type and capabilities functions
EVP_PKEY_keygen(3ssl) key and parameter generation and check functions
EVP_PKEY_meth_get_count(3ssl) enumerate public key methods
EVP_PKEY_meth_new(3ssl) manipulating EVP_PKEY_METHOD structure
EVP_PKEY_new(3ssl) public/private key allocation and raw key handling functions
EVP_PKEY_print_private(3ssl) public key algorithm printing routines
EVP_PKEY_set1_encoded_public_key(3ssl) functions to set and get public key data within an EVP_PKEY
EVP_PKEY_set1_RSA(3ssl) EVP_PKEY assignment functions
EVP_PKEY_set_type(3ssl) functions to change the EVP_PKEY type
EVP_PKEY_settable_params(3ssl) set key parameters into a key
EVP_PKEY_sign(3ssl) sign using a public key algorithm
EVP_PKEY_todata(3ssl) functions to return keys as an array of key parameters
EVP_PKEY_verify(3ssl) signature verification using a public key algorithm
EVP_PKEY_verify_recover(3ssl) recover signature using a public key algorithm
EVP_RAND(3ssl) EVP RAND routines
EVP_rc2_cbc(3ssl) EVP RC2 cipher
EVP_rc4(3ssl) EVP RC4 stream cipher
EVP_rc5_32_12_16_cbc(3ssl) EVP RC5 cipher
EVP_ripemd160(3ssl) RIPEMD160 For EVP
EVP_SealInit(3ssl) EVP envelope encryption
EVP_seed_cbc(3ssl) EVP SEED cipher
EVP_set_default_properties(3ssl) Set default properties for future algorithm fetches
EVP_sha1(3ssl) SHA-1 For EVP
EVP_sha224(3ssl) SHA-2 For EVP
EVP_sha3_224(3ssl) SHA-3 For EVP
EVP_SIGNATURE(3ssl) Functions to manage EVP_SIGNATURE algorithm objects
EVP_SignInit(3ssl) EVP signing functions
EVP_sm3(3ssl) SM3 for EVP
EVP_sm4_cbc(3ssl) EVP SM4 cipher
EVP_VerifyInit(3ssl) EVP signature verification functions
EVP_whirlpool(3ssl) WHIRLPOOL For EVP
HMAC(3ssl) HMAC message authentication code
i2d_CMS_bio_stream(3ssl) output CMS_ContentInfo structure in BER format
i2d_PKCS7_bio_stream(3ssl) output PKCS7 structure in BER format
i2d_re_X509_tbs(3ssl) X509 encode and decode functions
MD5(3ssl) MD2, MD4, and MD5 hash functions
MDC2_Init(3ssl) MDC2 hash function
NCONF_new_ex(3ssl) functionality to Load and parse configuration files manually
o2i_SCT_LIST(3ssl) decode and encode Signed Certificate Timestamp lists in TLS wire format
OBJ_nid2obj(3ssl) ASN1 object utility functions
OCSP_cert_to_id(3ssl) OCSP certificate ID utility functions
OCSP_request_add1_nonce(3ssl) OCSP nonce functions
OCSP_REQUEST_new(3ssl) OCSP request functions
OCSP_resp_find_status(3ssl) OCSP response utility functions
OCSP_response_status(3ssl) OCSP response functions
OCSP_sendreq_new(3ssl) OCSP responder query functions
OpenSSL_add_all_algorithms(3ssl) add algorithms to internal table
OPENSSL_Applink(3ssl) glue between OpenSSL BIO and Win32 compiler run-time
OPENSSL_config(3ssl) simple OpenSSL configuration functions
OPENSSL_FILE(3ssl) generic C programming utility macros
OPENSSL_fork_prepare(3ssl) OpenSSL fork handlers
OPENSSL_gmtime(3ssl) platform-agnostic OpenSSL time routines
OPENSSL_hexchar2int(3ssl) Hex encoding and decoding functions
OPENSSL_ia32cap(3ssl) the x86[_64] processor capabilities vector
OPENSSL_init_crypto(3ssl) OpenSSL initialisation and deinitialisation functions
OPENSSL_init_ssl(3ssl) OpenSSL (libssl and libcrypto) initialisation
OPENSSL_instrument_bus(3ssl) instrument references to memory bus
OPENSSL_LH_COMPFUNC(3ssl) dynamic hash table
OPENSSL_LH_stats(3ssl) LHASH statistics
OPENSSL_load_builtin_modules(3ssl) add standard configuration modules
OPENSSL_malloc(3ssl) Memory allocation functions
OPENSSL_s390xcap(3ssl) the IBM z processor capabilities vector
OPENSSL_secure_malloc(3ssl) secure heap storage
OPENSSL_strcasecmp(3ssl) compare two strings ignoring case
OpenSSL_version(3ssl) get OpenSSL version number and other information
OSSL_ALGORITHM(3ssl) OpenSSL Core type to define a fetchable algorithm
OSSL_CALLBACK(3ssl) OpenSSL Core type to define callbacks
OSSL_CMP_CTX_new(3ssl) functions for managing the CMP client context data structure
OSSL_CMP_exec_certreq(3ssl) functions implementing CMP client transactions
OSSL_CMP_HDR_get0_transactionID(3ssl) functions manipulating CMP message headers
OSSL_CMP_ITAV_set0(3ssl) OSSL_CMP_ITAV utility functions
OSSL_CMP_log_open(3ssl) functions for logging and error reporting
OSSL_CMP_MSG_get0_header(3ssl) function(s) manipulating CMP messages
OSSL_CMP_MSG_http_perform(3ssl) client-side HTTP(S) transfer of a CMP request-response pair
OSSL_CMP_SRV_CTX_new(3ssl) generic functions to set up and control a CMP server
OSSL_CMP_STATUSINFO_new(3ssl) function(s) for managing the CMP PKIStatus
OSSL_CMP_validate_msg(3ssl) functions for verifying CMP message protection
OSSL_CORE_MAKE_FUNC(3ssl) OpenSSL reserved symbols
OSSL_CRMF_MSG_get0_tmpl(3ssl) functions reading from CRMF CertReqMsg structures
OSSL_CRMF_MSG_set0_validity(3ssl) functions populating and verifying CRMF CertReqMsg structures
OSSL_CRMF_MSG_set1_regCtrl_regToken(3ssl) functions getting or setting CRMF Registration Controls
OSSL_CRMF_MSG_set1_regInfo_certReq(3ssl) functions getting or setting CRMF Registration Info
OSSL_CRMF_pbmp_new(3ssl) functions for producing Password-Based MAC (PBM)
OSSL_DECODER(3ssl) Decoder method routines
OSSL_DECODER_CTX(3ssl) Decoder context routines
OSSL_DECODER_CTX_new_for_pkey(3ssl) Decoder routines to decode EVP_PKEYs
OSSL_DECODER_from_bio(3ssl) Routines to perform a decoding
OSSL_DISPATCH(3ssl) OpenSSL Core type to define a dispatchable function table
OSSL_ENCODER(3ssl) Encoder method routines
OSSL_ENCODER_CTX(3ssl) Encoder context routines
OSSL_ENCODER_CTX_new_for_pkey(3ssl) Encoder routines to encode EVP_PKEYs
OSSL_ENCODER_to_bio(3ssl) Routines to perform an encoding
OSSL_ESS_check_signing_certs(3ssl) Enhanced Security Services (ESS) functions
OSSL_HTTP_parse_url(3ssl) http utility functions
OSSL_HTTP_REQ_CTX(3ssl) HTTP client low-level functions
OSSL_HTTP_transfer(3ssl) HTTP client high-level functions
OSSL_ITEM(3ssl) OpenSSL Core type for generic itemized data
OSSL_LIB_CTX(3ssl) OpenSSL library context
OSSL_PARAM(3ssl) a structure to pass or request object parameters
OSSL_PARAM_allocate_from_text(3ssl) OSSL_PARAM construction utilities
OSSL_PARAM_BLD(3ssl) functions to assist in the creation of OSSL_PARAM arrays
OSSL_PARAM_dup(3ssl) OSSL_PARAM array copy functions
OSSL_PARAM_int(3ssl) OSSL_PARAM helpers
OSSL_PROVIDER(3ssl) provider routines
OSSL_SELF_TEST_new(3ssl) functionality to trigger a callback during a self test
OSSL_SELF_TEST_set_callback(3ssl) specify a callback for processing self tests
OSSL_STORE_attach(3ssl) Functions to read objects from a BIO
OSSL_STORE_expect(3ssl) Specify what object type is expected
OSSL_STORE_INFO(3ssl) Functions to manipulate OSSL_STORE_INFO objects
OSSL_STORE_LOADER(3ssl) Types and functions to manipulate, register and unregister STORE loaders for different URI schemes
OSSL_STORE_open(3ssl) Types and functions to read objects from a URI
OSSL_STORE_SEARCH(3ssl) Type and functions to create OSSL_STORE search criteria
OSSL_trace_enabled(3ssl) OpenSSL Tracing API
OSSL_trace_get_category_num(3ssl) OpenSSL tracing information functions
OSSL_trace_set_channel(3ssl) Enabling trace output
PEM_bytes_read_bio(3ssl) read a PEM-encoded data structure from a BIO
PEM_read(3ssl) PEM encoding routines
PEM_read_bio_ex(3ssl) read PEM format files with custom processing
PEM_read_bio_PrivateKey(3ssl) PEM routines
PEM_read_CMS(3ssl) PEM object encoding routines
PEM_write_bio_CMS_stream(3ssl) output CMS_ContentInfo structure in PEM format
PEM_write_bio_PKCS7_stream(3ssl) output PKCS7 structure in PEM format
PEM_X509_INFO_read_bio_ex(3ssl) read PEM-encoded data structures into one or more X509_INFO objects
PKCS12_add1_attr_by_NID(3ssl) Add an attribute to a PKCS#12 safeBag structure
PKCS12_add_cert(3ssl) Add an object to a set of PKCS#12 safeBags
PKCS12_add_CSPName_asc(3ssl) Add a Microsoft CSP Name attribute to a PKCS#12 safeBag
PKCS12_add_friendlyname_asc(3ssl) Functions to add the friendlyname attribute to a PKCS#12 safeBag
PKCS12_add_localkeyid(3ssl) Add the localKeyId attribute to a PKCS#12 safeBag
PKCS12_add_safe(3ssl) Create and add objects to a PKCS#12 structure
PKCS12_create(3ssl) create a PKCS#12 structure
PKCS12_decrypt_skey(3ssl) PKCS12 shrouded keyBag decrypt functions
PKCS12_gen_mac(3ssl) Functions to create and manipulate a PKCS#12 structure
PKCS12_get_friendlyname(3ssl) Retrieve the friendlyname attribute from a PKCS#12 safeBag
PKCS12_init(3ssl) Create a new empty PKCS#12 structure
PKCS12_item_decrypt_d2i(3ssl) PKCS12 item encrypt/decrypt functions
PKCS12_key_gen_utf8_ex(3ssl) PKCS#12 Password based key derivation
PKCS12_newpass(3ssl) change the password of a PKCS12 structure
PKCS12_pack_p7encdata(3ssl) Pack a set of PKCS#12 safeBags into a PKCS#7 encrypted data object
PKCS12_parse(3ssl) parse a PKCS#12 structure
PKCS12_PBE_keyivgen(3ssl) PKCS#12 Password based encryption
PKCS12_SAFEBAG_create_cert(3ssl) Create PKCS#12 safeBag objects
PKCS12_SAFEBAG_get0_attrs(3ssl) Retrieve attributes from a PKCS#12 safeBag
PKCS12_SAFEBAG_get1_cert(3ssl) Get objects from a PKCS#12 safeBag
PKCS5_PBE_keyivgen(3ssl) PKCS#5 Password based encryption routines
PKCS5_PBKDF2_HMAC(3ssl) password based derivation routines with salt and iteration count
PKCS7_decrypt(3ssl) decrypt content from a PKCS#7 envelopedData structure
PKCS7_encrypt(3ssl) create a PKCS#7 envelopedData structure
PKCS7_get_octet_string(3ssl) return octet string from a PKCS#7 envelopedData structure
PKCS7_sign(3ssl) create a PKCS#7 signedData structure
PKCS7_sign_add_signer(3ssl) add information to PKCS7 structure
PKCS7_type_is_other(3ssl) determine content type of PKCS#7 envelopedData structure
PKCS7_verify(3ssl) verify a PKCS#7 signedData structure
PKCS8_encrypt(3ssl) PKCS8 encrypt/decrypt functions
PKCS8_pkey_add1_attr(3ssl) PKCS8 attribute functions
RAND_add(3ssl) add randomness to the PRNG or get its status
RAND_bytes(3ssl) generate random data
RAND_cleanup(3ssl) erase the PRNG state
RAND_egd(3ssl) query entropy gathering daemon
RAND_get0_primary(3ssl) get access to the global EVP_RAND_CTX instances
RAND_load_file(3ssl) PRNG seed file
RAND_set_DRBG_type(3ssl) specify the global random number generator types
RAND_set_rand_method(3ssl) select RAND method
RC4_set_key(3ssl) RC4 encryption
RIPEMD160_Init(3ssl) RIPEMD-160 hash function
RSA_blinding_on(3ssl) protect the RSA operation from timing attacks
RSA_check_key(3ssl) validate private RSA keys
RSA_generate_key(3ssl) generate RSA key pair
RSA_get0_key(3ssl) Routines for getting and setting data in an RSA object
RSA_meth_new(3ssl) Routines to build up RSA methods
RSA_new(3ssl) allocate and free RSA objects
RSA_padding_add_PKCS1_type_1(3ssl) asymmetric encryption padding
RSA_print(3ssl) print cryptographic parameters
RSA_private_encrypt(3ssl) low-level signature operations
RSA_public_encrypt(3ssl) RSA public key cryptography
RSA_set_method(3ssl) select RSA method
RSA_sign(3ssl) RSA signatures
RSA_sign_ASN1_OCTET_STRING(3ssl) RSA signatures
RSA_size(3ssl) get RSA modulus size or security bits
s2i_ASN1_IA5STRING(3ssl) convert objects from/to ASN.1/string representation
SCT_new(3ssl) A Certificate Transparency Signed Certificate Timestamp
SCT_print(3ssl) Prints Signed Certificate Timestamps in a human-readable way
SCT_validate(3ssl) checks Signed Certificate Timestamps (SCTs) are valid
SHA256_Init(3ssl) Secure Hash Algorithm
SMIME_read_ASN1(3ssl) parse S/MIME message
SMIME_read_CMS(3ssl) parse S/MIME message
SMIME_read_PKCS7(3ssl) parse S/MIME message
SMIME_write_ASN1(3ssl) convert structure to S/MIME format
SMIME_write_CMS(3ssl) convert CMS structure to S/MIME format
SMIME_write_PKCS7(3ssl) convert PKCS#7 structure to S/MIME format
SRP_Calc_B(3ssl) SRP authentication primitives
SRP_create_verifier(3ssl) SRP authentication primitives
SRP_user_pwd_new(3ssl) Functions to create a record of SRP user verifier information
SRP_VBASE_new(3ssl) Functions to create and manage a stack of SRP user verifier information
SSL_accept(3ssl) wait for a TLS/SSL client to initiate a TLS/SSL handshake
SSL_alert_type_string(3ssl) get textual description of alert information
SSL_alloc_buffers(3ssl) manage SSL structure buffers
SSL_check_chain(3ssl) check certificate chain suitability
SSL_CIPHER_get_name(3ssl) get SSL_CIPHER properties
SSL_clear(3ssl) reset SSL object to allow another connection
SSL_COMP_add_compression_method(3ssl) handle SSL/TLS integrated compression methods
SSL_CONF_cmd(3ssl) send configuration command
SSL_CONF_cmd_argv(3ssl) SSL configuration command line processing
SSL_CONF_CTX_new(3ssl) SSL configuration allocation functions
SSL_CONF_CTX_set1_prefix(3ssl) Set configuration context command prefix
SSL_CONF_CTX_set_flags(3ssl) Set or clear SSL configuration context flags
SSL_CONF_CTX_set_ssl_ctx(3ssl) set context to configure
SSL_connect(3ssl) initiate the TLS/SSL handshake with an TLS/SSL server
SSL_CTX_add1_chain_cert(3ssl) extra chain certificate processing
SSL_CTX_add_extra_chain_cert(3ssl) add, get or clear extra chain certificates
SSL_CTX_add_session(3ssl) manipulate session cache
SSL_CTX_config(3ssl) configure SSL_CTX or SSL structure
SSL_CTX_ctrl(3ssl) internal handling functions for SSL_CTX and SSL objects
SSL_CTX_dane_enable(3ssl) enable DANE TLS authentication of the remote TLS server in the local TLS client
SSL_CTX_flush_sessions(3ssl) remove expired sessions
SSL_CTX_free(3ssl) free an allocated SSL_CTX object
SSL_CTX_get0_param(3ssl) get and set verification parameters
SSL_CTX_get_verify_mode(3ssl) get currently set verification parameters
SSL_CTX_has_client_custom_ext(3ssl) check whether a handler exists for a particular client extension type
SSL_CTX_load_verify_locations(3ssl) set default locations for trusted CA certificates
SSL_CTX_new(3ssl) create a new SSL_CTX object as framework for TLS/SSL or DTLS enabled functions
SSL_CTX_sess_number(3ssl) obtain session cache statistics
SSL_CTX_sess_set_cache_size(3ssl) manipulate session cache size
SSL_CTX_sess_set_get_cb(3ssl) provide callback functions for server side external session caching
SSL_CTX_sessions(3ssl) access internal session cache
SSL_CTX_set0_CA_list(3ssl) get or set CA list
SSL_CTX_set1_curves(3ssl) EC supported curve functions
SSL_CTX_set1_sigalgs(3ssl) set supported signature algorithms
SSL_CTX_set1_verify_cert_store(3ssl) set certificate verification or chain store
SSL_CTX_set_alpn_select_cb(3ssl) handle application layer protocol negotiation (ALPN)
SSL_CTX_set_cert_cb(3ssl) handle certificate callback function
SSL_CTX_set_cert_store(3ssl) manipulate X509 certificate verification storage
SSL_CTX_set_cert_verify_callback(3ssl) set peer certificate verification procedure
SSL_CTX_set_cipher_list(3ssl) choose list of available SSL_CIPHERs
SSL_CTX_set_client_cert_cb(3ssl) handle client certificate callback function
SSL_CTX_set_client_hello_cb(3ssl) callback functions for early server-side ClientHello processing
SSL_CTX_set_ct_validation_callback(3ssl) control Certificate Transparency policy
SSL_CTX_set_ctlog_list_file(3ssl) load a Certificate Transparency log list from a file
SSL_CTX_set_default_passwd_cb(3ssl) set or get passwd callback for encrypted PEM file handling
SSL_CTX_set_generate_session_id(3ssl) manipulate generation of SSL session IDs (server only)
SSL_CTX_set_info_callback(3ssl) handle information callback for SSL connections
SSL_CTX_set_keylog_callback(3ssl) logging TLS key material
SSL_CTX_set_max_cert_list(3ssl) manipulate allowed size for the peer's certificate chain
SSL_CTX_set_min_proto_version(3ssl) Get and set minimum and maximum supported protocol version
SSL_CTX_set_mode(3ssl) manipulate SSL engine mode
SSL_CTX_set_msg_callback(3ssl) install callback for observing protocol messages
SSL_CTX_set_num_tickets(3ssl) control the number of TLSv1.3 session tickets that are issued
SSL_CTX_set_options(3ssl) manipulate SSL options
SSL_CTX_set_psk_client_callback(3ssl) set PSK client callback
SSL_CTX_set_quiet_shutdown(3ssl) manipulate shutdown behaviour
SSL_CTX_set_read_ahead(3ssl) manage whether to read as many input bytes as possible
SSL_CTX_set_record_padding_callback(3ssl) install callback to specify TLS 1.3 record padding
SSL_CTX_set_security_level(3ssl) SSL/TLS security framework
SSL_CTX_set_session_cache_mode(3ssl) enable/disable session caching
SSL_CTX_set_session_id_context(3ssl) set context within which session can be reused (server side only)
SSL_CTX_set_session_ticket_cb(3ssl) manage session ticket application data
SSL_CTX_set_split_send_fragment(3ssl) Control fragment size settings and pipelining operations
SSL_CTX_set_srp_password(3ssl) SRP control operations
SSL_CTX_set_ssl_version(3ssl) choose a new TLS/SSL method
SSL_CTX_set_stateless_cookie_generate_cb(3ssl) Callback functions for stateless TLS1.3 cookies
SSL_CTX_set_timeout(3ssl) manipulate timeout values for session caching
SSL_CTX_set_tlsext_servername_callback(3ssl) handle server name indication (SNI)
SSL_CTX_set_tlsext_status_cb(3ssl) OCSP Certificate Status Request functions
SSL_CTX_set_tlsext_ticket_key_cb(3ssl) set a callback for session ticket processing
SSL_CTX_set_tlsext_use_srtp(3ssl) Configure and query SRTP support
SSL_CTX_set_tmp_dh_callback(3ssl) handle DH keys for ephemeral key exchange
SSL_CTX_set_tmp_ecdh(3ssl) handle ECDH keys for ephemeral key exchange
SSL_CTX_set_verify(3ssl) set various SSL/TLS parameters for peer certificate verification
SSL_CTX_use_certificate(3ssl) load certificate and key data
SSL_CTX_use_psk_identity_hint(3ssl) set PSK identity hint to use
SSL_CTX_use_serverinfo(3ssl) use serverinfo extension
SSL_do_handshake(3ssl) perform a TLS/SSL handshake
SSL_export_keying_material(3ssl) obtain keying material for application use
SSL_extension_supported(3ssl) custom TLS extension handling
SSL_free(3ssl) free an allocated SSL structure
SSL_get0_peer_scts(3ssl) get SCTs received
SSL_get_all_async_fds(3ssl) manage asynchronous operations
SSL_get_certificate(3ssl) retrieve TLS/SSL certificate and private key
SSL_get_ciphers(3ssl) get list of available SSL_CIPHERs
SSL_get_client_random(3ssl) get internal TLS/SSL random values and get/set master key
SSL_get_current_cipher(3ssl) get SSL_CIPHER of a connection
SSL_get_default_timeout(3ssl) get default session timeout value
SSL_get_error(3ssl) obtain result code for TLS/SSL I/O operation
SSL_get_extms_support(3ssl) extended master secret support
SSL_get_fd(3ssl) get file descriptor linked to an SSL object
SSL_get_peer_cert_chain(3ssl) get the X509 certificate chain of the peer
SSL_get_peer_certificate(3ssl) get the X509 certificate of the peer
SSL_get_peer_signature_nid(3ssl) get TLS message signing types
SSL_get_peer_tmp_key(3ssl) get information about temporary keys used during a handshake
SSL_get_psk_identity(3ssl) get PSK client identity and hint
SSL_get_rbio(3ssl) get BIO linked to an SSL object
SSL_get_session(3ssl) retrieve TLS/SSL session data
SSL_get_shared_sigalgs(3ssl) get supported signature algorithms
SSL_get_SSL_CTX(3ssl) get the SSL_CTX from which an SSL is created
SSL_get_verify_result(3ssl) get result of peer certificate verification
SSL_get_version(3ssl) get the protocol information of a connection
SSL_group_to_name(3ssl) get name of group
SSL_in_init(3ssl) retrieve information about the handshake state machine
SSL_key_update(3ssl) initiate and obtain information about updating connection keys
SSL_library_init(3ssl) initialize SSL library by registering algorithms
SSL_load_client_CA_file(3ssl) load certificate names
SSL_new(3ssl) create an SSL structure for a connection
SSL_pending(3ssl) check for readable bytes buffered in an SSL object
SSL_read(3ssl) read bytes from a TLS/SSL connection
SSL_read_early_data(3ssl) functions for sending and receiving early data
SSL_rstate_string(3ssl) get textual description of state of an SSL object during read operation
SSL_SESSION_free(3ssl) create, free and manage SSL_SESSION structures
SSL_SESSION_get0_cipher(3ssl) set and retrieve the SSL cipher associated with a session
SSL_SESSION_get0_hostname(3ssl) get and set SNI and ALPN data associated with a session
SSL_SESSION_get0_id_context(3ssl) get and set the SSL ID context associated with a session
SSL_SESSION_get0_peer(3ssl) get details about peer's certificate for a session
SSL_SESSION_get_compress_id(3ssl) get details about the compression associated with a session
SSL_SESSION_get_protocol_version(3ssl) get and set the session protocol version
SSL_SESSION_get_time(3ssl) retrieve and manipulate session time and timeout settings
SSL_SESSION_has_ticket(3ssl) get details about the ticket associated with a session
SSL_SESSION_is_resumable(3ssl) determine whether an SSL_SESSION object can be used for resumption
SSL_SESSION_print(3ssl) printf information about a session
SSL_session_reused(3ssl) query whether a reused session was negotiated during handshake
SSL_SESSION_set1_id(3ssl) get and set the SSL session ID
SSL_set1_host(3ssl) SSL server verification parameters
SSL_set_async_callback(3ssl) manage asynchronous operations
SSL_set_bio(3ssl) connect the SSL object with a BIO
SSL_set_connect_state(3ssl) functions for manipulating and examining the client or server mode of an SSL object
SSL_set_fd(3ssl) connect the SSL object with a file descriptor
SSL_set_retry_verify(3ssl) indicate that certificate verification should be retried
SSL_set_session(3ssl) set a TLS/SSL session to be used during TLS/SSL connect
SSL_set_shutdown(3ssl) manipulate shutdown state of an SSL connection
SSL_set_verify_result(3ssl) override result of peer certificate verification
SSL_shutdown(3ssl) shut down a TLS/SSL connection
SSL_state_string(3ssl) get textual description of state of an SSL object
SSL_want(3ssl) obtain state information TLS/SSL I/O operation
SSL_write(3ssl) write bytes to a TLS/SSL connection
TS_RESP_CTX_new(3ssl) Timestamp response context object creation
TS_VERIFY_CTX_set_certs(3ssl) set certificates for TS response verification
UI_create_method(3ssl) user interface method creation and destruction
UI_new(3ssl) user interface
UI_STRING(3ssl) User interface string parsing
UI_UTIL_read_pw(3ssl) user interface utilities
X509_add_cert(3ssl) X509 certificate list addition functions
X509_ALGOR_dup(3ssl) AlgorithmIdentifier functions
X509_ATTRIBUTE(3ssl) X509 attribute functions
X509_check_ca(3ssl) check if given certificate is CA certificate
X509_check_host(3ssl) X.509 certificate matching
X509_check_issued(3ssl) checks if certificate is apparently issued by another certificate
X509_check_private_key(3ssl) check the consistency of a private key with the public key in an X509 certificate or certificate request
X509_check_purpose(3ssl) Check the purpose of a certificate
X509_cmp(3ssl) compare X509 certificates and related values
X509_cmp_time(3ssl) X509 time functions
X509_CRL_get0_by_serial(3ssl) CRL revoked entry utility functions
X509_digest(3ssl) get digest of various objects
X509_dup(3ssl) ASN1 object utilities
X509_EXTENSION_set_object(3ssl) extension utility functions
X509_get0_distinguishing_id(3ssl) get or set the Distinguishing ID for certificate operations
X509_get0_notBefore(3ssl) get or set certificate or CRL dates
X509_get0_signature(3ssl) signature information
X509_get0_uids(3ssl) get certificate unique identifiers
X509_get_extension_flags(3ssl) retrieve certificate extension data
X509_get_pubkey(3ssl) get or set certificate or certificate request public key
X509_get_serialNumber(3ssl) get or set certificate serial number
X509_get_subject_name(3ssl) get X509_NAME hashes or get and set issuer or subject names
X509_get_version(3ssl) get or set certificate, certificate request or CRL version
X509_load_http(3ssl) certificate and CRL loading functions
X509_LOOKUP(3ssl) OpenSSL certificate lookup mechanisms
X509_LOOKUP_hash_dir(3ssl) Default OpenSSL certificate lookup methods
X509_LOOKUP_meth_new(3ssl) Routines to build up X509_LOOKUP methods
X509_NAME_add_entry_by_txt(3ssl) X509_NAME modification functions
X509_NAME_ENTRY_get_object(3ssl) X509_NAME_ENTRY utility functions
X509_NAME_get0_der(3ssl) get X509_NAME DER encoding
X509_NAME_get_index_by_NID(3ssl) X509_NAME lookup and enumeration functions
X509_NAME_print_ex(3ssl) X509_NAME printing routines
X509_new(3ssl) X509 certificate ASN1 allocation functions
X509_PUBKEY_new(3ssl) SubjectPublicKeyInfo public key functions
X509_REQ_get_attr(3ssl) X509_ATTRIBUTE support for signed certificate requests
X509_REQ_get_extensions(3ssl) handle X.509 extension attributes of a CSR
X509_SIG_get0(3ssl) DigestInfo functions
X509_sign(3ssl) sign certificate, certificate request, or CRL signature
X509_STORE_add_cert(3ssl) X509_STORE manipulation
X509_STORE_CTX_get_error(3ssl) get or set certificate verification status information
X509_STORE_CTX_new(3ssl) X509_STORE_CTX initialisation
X509_STORE_CTX_set_verify_cb(3ssl) get and set X509_STORE_CTX components such as verification callback
X509_STORE_get0_param(3ssl) X509_STORE setter and getter functions
X509_STORE_new(3ssl) X509_STORE allocation, freeing and locking functions
X509_STORE_set_verify_cb_func(3ssl) set verification callback
X509_verify(3ssl) verify certificate, certificate request, or CRL signature
X509_verify_cert(3ssl) build and verify X509 certificate chain
X509_VERIFY_PARAM_set_flags(3ssl) X509 verification parameters
X509V3_get_d2i(3ssl) X509 extension decode and encode functions
X509v3_get_ext_by_NID(3ssl) extension stack utility functions
X509V3_set_ctx(3ssl) X.509 v3 extension generation utilities