CRYPTO Application Programming Interface (API) Reference

Table of Contents

ASN1_OBJECT_new() - object allocation functions

ASN1_STRING_dup() - ASN1_STRING utility functions

ASN1_STRING_new() - ASN1_STRING allocation functions

ASN1_STRING_print_ex() - ASN1_STRING output routines.

bio() - I/O abstraction

BIO_ctrl() - BIO control operations

BIO_f_base64() - base64 BIO filter

BIO_f_buffer() - buffering BIO

BIO_f_cipher() - cipher BIO filter

BIO_f_md() - message digest BIO filter

BIO_f_null() - null filter

BIO_f_ssl() - SSL BIO

BIO_find_type() - BIO chain traversal

BIO_new() - BIO allocation and freeing functions

BIO_push() - add and remove BIOs from a chain.

BIO_read() - BIO I/O functions

BIO_s_accept() - accept BIO

BIO_s_bio() - BIO pair BIO

BIO_s_connect() - connect BIO

BIO_s_fd() - file descriptor BIO

BIO_s_file() - FILE bio

BIO_s_mem() - memory BIO

BIO_s_null() - null data sink

BIO_s_socket() - socket BIO

BIO_set_callback() - BIO callback functions

BIO_should_retry() - BIO retry functions

blowfish() - Blowfish encryption

bn() - multiprecision integer arithmetics

BN_add() - arithmetic operations on BIGNUMs

BN_add_word() - arithmetic functions on BIGNUMs with integers

BN_bn2bin() - format conversions

BN_cmp() - BIGNUM comparison and test functions

BN_copy() - copy BIGNUMs

BN_CTX_new() - allocate and free BN_CTX structures

BN_CTX_start() - use temporary BIGNUM variables

BN_generate_prime() - generate primes and test for primality

bn_mul_words() - BIGNUM library internal functions

BN_mod_inverse() - compute inverse modulo n

BN_mod_mul_montgomery() - Montgomery multiplication

BN_mod_mul_reciprocal() - modular multiplication using reciprocal

BN_new() - allocate and free BIGNUMs

BN_num_bits() - get BIGNUM size

BN_rand() - generate pseudo-random number

BN_set_bit() - bit operations on BIGNUMs

BN_swap() - exchange BIGNUMs

BN_zero() - BIGNUM assignment operations

BUF_MEM_new() - simple character arrays structure

CONF_modules_free() - OpenSSL configuration cleanup functions

CONF_modules_load_file() - OpenSSL configuration functions

crypto() - OpenSSL cryptographic library

CRYPTO_set_ex_data() - internal application specific data functions

d2i_ASN1_OBJECT() - ASN1 OBJECT IDENTIFIER functions

d2i_DHparams() - PKCS#3 DH parameter functions.

d2i_DSAPublicKey() - DSA key encoding and parsing functions.

d2i_PKCS8PrivateKey_bio() - PKCS#8 format private key functions

d2i_RSAPublicKey() - RSA public and private key encoding functions.

d2i_X509() - X509 encode and decode functions

d2i_X509_ALGOR() - AlgorithmIdentifier functions.

d2i_X509_CRL() - PKCS#10 certificate request functions.

d2i_X509_NAME() - X509_NAME encoding functions

d2i_X509_REQ() - PKCS#10 certificate request functions.

d2i_X509_SIG() - DigestInfo functions.

DES_random_key() - DES encryption

Modes() - the variants of DES and other crypto algorithms of OpenSSL

dh() - Diffie-Hellman key agreement

DH_generate_key() - perform Diffie-Hellman key exchange

DH_generate_parameters() - generate and check Diffie-Hellman parameters

DH_get_ex_new_index() - add application specific data to DH structures

DH_new() - allocate and free DH objects

DH_set_default_method() - select DH method

DH_size() - get Diffie-Hellman prime size

dsa() - Digital Signature Algorithm

DSA_do_sign() - raw DSA signature operations

DSA_dup_DH() - create a DH structure out of DSA structure

DSA_generate_key() - generate DSA key pair

DSA_generate_parameters() - generate DSA parameters

DSA_get_ex_new_index() - add application specific data to DSA structures

DSA_new() - allocate and free DSA objects

DSA_set_default_method() - select DSA method

DSA_SIG_new() - allocate and free DSA signature objects

DSA_sign() - DSA signatures

DSA_size() - get DSA signature size

engine() - ENGINE cryptographic module support

err() - error codes

ERR_clear_error() - clear the error queue

ERR_error_string() - obtain human-readable error message

ERR_get_error() - obtain error code and data

ERR_GET_LIB() - get library, function and reason code

ERR_load_crypto_strings() - load and free error strings

ERR_load_strings() - load arbitrary error strings

ERR_print_errors() - print error messages

ERR_put_error() - record an error

ERR_remove_state() - free a thread's error queue

evp() - high-level cryptographic functions

EVP_BytesToKey() - password based encryption routine

EVP_MD_CTX_init() - EVP digest routines

EVP_CIPHER_CTX_init() - EVP cipher routines

EVP_OpenInit() - EVP envelope decryption

EVP_PKEY_new() - private key allocation functions.

EVP_PKEY_set1_RSA() - EVP_PKEY assignment functions.

EVP_SealInit() - EVP envelope encryption

EVP_SignInit() - EVP signing functions

EVP_VerifyInit() - EVP signature verification functions

HMAC() - HMAC message authentication code

lh_stats() - LHASH statistics

lh_new() - dynamic hash table

MD2() - MD2, MD4, and MD5 hash functions

MDC2() - MDC2 hash function

OBJ_nid2obj() - ASN1 object utility functions

OpenSSL_add_all_algorithms() - add algorithms to internal table

OPENSSL_config() - simple OpenSSL configuration functions

OPENSSL_load_builtin_modules() - add standard configuration modules

OPENSSL_VERSION_NUMBER() - get OpenSSL version number

PEM() - PEM routines

PKCS12_create() - create a PKCS#12 structure

PKCS12_parse() - parse a PKCS#12 structure

PKCS7_decrypt() - decrypt content from a PKCS#7 envelopedData structure

PKCS7_encrypt() - create a PKCS#7 envelopedData structure

PKCS7_sign() - create a PKCS#7 signedData structure

PKCS7_verify() - verify a PKCS#7 signedData structure

rand() - pseudo-random number generator

RAND_add() - add entropy to the PRNG

RAND_bytes() - generate random data

RAND_cleanup() - erase the PRNG state

RAND_egd() - query entropy gathering daemon

RAND_load_file() - PRNG seed file

RAND_set_rand_method() - select RAND method

RC4_set_key() - RC4 encryption

RIPEMD160() - RIPEMD-160 hash function

rsa() - RSA public key cryptosystem

RSA_blinding_on() - protect the RSA operation from timing attacks

RSA_check_key() - validate private RSA keys

RSA_generate_key() - generate RSA key pair

RSA_get_ex_new_index() - add application specific data to RSA structures

RSA_new() - allocate and free RSA objects

RSA_padding_add_PKCS1_type_1() - asymmetric encryption padding

RSA_print() - print cryptographic parameters

RSA_private_encrypt() - low level signature operations

RSA_public_encrypt() - RSA public key cryptography

RSA_set_default_method() - select RSA method

RSA_sign() - RSA signatures

RSA_sign_ASN1_OCTET_STRING() - RSA signatures

RSA_size() - get RSA modulus size

SHA1() - Secure Hash Algorithm

SMIME_read_PKCS7() - parse S/MIME message.

SMIME_write_PKCS7() - convert PKCS#7 structure to S/MIME format.

CRYPTO_set_locking_callback() - OpenSSL thread support

UI_new() - New User Interface

des_read_password() - Compatibility user interface functions

X509_NAME_add_entry_by_txt() - X509_NAME modification functions

X509_NAME_ENTRY_get_object() - X509_NAME_ENTRY utility functions

X509_NAME_get_index_by_NID() - X509_NAME lookup and enumeration functions

X509_NAME_print_ex() - X509_NAME printing routines.

X509_new() - X509 certificate ASN1 allocation functions