Cryptographic functions

Table of Contents
crypto -- OpenSSL cryptographic library
bio -- I/O abstraction
bn -- multiprecision integer arithmetics
bn_internal -- BIGNUM library internal functions
dh -- Diffie-Hellman key agreement
dsa -- Digital Signature Algorithm
err -- error codes
evp -- high-level cryptographic functions
rsa -- RSA public key cryptosystem
x509 -- X.509 certificate handling
ASN1_generate_nconf -- ASN1 generation functions
ASN1_OBJECT_new -- object allocation functions
ASN1_STRING_length -- ASN1_STRING utility functions
ASN1_STRING_new -- ASN1_STRING allocation functions
ASN1_STRING_print_ex -- ASN1_STRING output routines.
BIO_ctrl -- BIO control operations
BIO_f_base64 -- base64 BIO filter
BIO_f_buffer -- buffering BIO
BIO_f_cipher -- cipher BIO filter
BIO_find_type -- BIO chain traversal
BIO_f_md -- message digest BIO filter
BIO_f_null -- null filter
BIO_f_ssl -- SSL BIO
BIO_new_CMS -- CMS streaming filter BIO
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_set_callback -- BIO callback functions
BIO_s_fd -- file descriptor BIO
BIO_s_file -- FILE bio
BIO_should_retry -- BIO retry functions
BIO_s_mem -- memory BIO
BIO_s_null -- null data sink
BIO_s_socket -- socket BIO
blowfish -- Blowfish encryption
BN_add -- arithmetic operations on BIGNUMs
BN_add_word -- arithmetic functions on BIGNUMs with integers
BN_BLINDING_new -- blinding related BIGNUM functions.
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_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_bytes -- 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
buffer -- simple character arrays structure
CMS_add0_cert -- CMS certificate and CRL utility functions
CMS_add1_recipient_cert -- add recipients to a CMS enveloped data structure
CMS_compress -- create a CMS CompressedData structure
CMS_decrypt -- decrypt content from a CMS envelopedData structure
CMS_encrypt -- create a CMS envelopedData structure
CMS_final -- finalise a CMS_ContentInfo structure
CMS_get0_RecipientInfos -- CMS envelopedData RecipientInfo routines
CMS_get0_SignerInfos -- CMS signedData signer functions.
CMS_get0_type -- get and set CMS content types
CMS_get1_ReceiptRequest -- CMS signed receipt request functions.
CMS_sign_add1_signer -- add a signer to a CMS_ContentInfo signed data structure.
CMS_sign -- create a CMS SignedData structure
CMS_sign_receipt -- create a CMS signed receipt
CMS_uncompress -- uncompress a CMS CompressedData structure
CMS_verify -- verify a CMS SignedData structure
CMS_verify_receipt -- verify a CMS signed receipt
CONF_modules_free -- OpenSSL configuration cleanup functions
CONF_modules_load_file -- OpenSSL configuration functions
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 -- PKCS#8 format private key functions
d2i_RSAPublicKey -- RSA public and private key encoding functions.
d2i_X509_ALGOR -- AlgorithmIdentifier functions.
d2i_X509_CRL -- PKCS#10 certificate request functions.
d2i_X509_NAME -- X509_NAME encoding functions
d2i_X509 -- X509 encode and decode functions
d2i_X509_REQ -- PKCS#10 certificate request functions.
d2i_X509_SIG -- DigestInfo functions.
des -- DES encryption
des_modes -- the variants of DES and other crypto algorithms of OpenSSL
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_method -- select DH method
DH_size -- get Diffie-Hellman prime size
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_method -- select DSA method
DSA_SIG_new -- allocate and free DSA signature objects
DSA_sign -- DSA signatures
DSA_size -- get DSA signature size
ecdsa -- Elliptic Curve Digital Signature Algorithm
engine -- ENGINE cryptographic module support
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
ERR_set_mark -- set marks and pop errors until mark
EVP_BytesToKey -- password based encryption routine
EVP_DigestInit -- EVP digest routines
EVP_DigestSignInit -- EVP signing functions
EVP_DigestVerifyInit -- EVP signature verification functions
EVP_EncryptInit -- EVP cipher routines
EVP_OpenInit -- EVP envelope decryption
EVP_PKEY_cmp -- public key parameter and comparison functions
EVP_PKEY_CTX_ctrl -- algorithm specific control operations
EVP_PKEY_CTX_new -- public key algorithm context functions.
EVP_PKEY_decrypt -- decrypt using a public key algorithm
EVP_PKEY_derive -- derive public key algorithm shared secret.
EVP_PKEY_encrypt -- encrypt using a public key algorithm
EVP_PKEY_get_default_digest -- get default signature digest
EVP_PKEY_keygen -- key and parameter generation functions
EVP_PKEY_new -- private key allocation functions.
EVP_PKEY_print_private -- public key algorithm printing routines.
EVP_PKEY_set1_RSA -- EVP_PKEY assignment functions.
EVP_PKEY_sign -- sign using a public key algorithm
EVP_PKEY_verify -- signature verification using a public key algorithm
EVP_PKEY_verifyrecover -- recover signature using a public key algorithm
EVP_SealInit -- EVP envelope encryption
EVP_SignInit -- EVP signing functions
EVP_VerifyInit -- EVP signature verification functions
i2d_CMS_bio_stream -- output CMS_ContentInfo structure in BER format.
i2d_PKCS7_bio_stream -- output PKCS7 structure in BER format.
hmac -- HMAC message authentication code
lhash -- dynamic hash table
lh_stats -- LHASH statistics
md5 -- 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_Applink -- glue between OpenSSL BIO and Win32 compiler run-time
OPENSSL_config -- simple OpenSSL configuration functions
OPENSSL_ia32cap -- finding the IA-32 processor capabilities
OPENSSL_load_builtin_modules -- add standard configuration modules
OPENSSL_VERSION_NUMBER -- get OpenSSL version number
pem -- PEM routines
PEM_write_bio_CMS_stream -- output CMS_ContentInfo structure in PEM format.
PEM_write_bio_PKCS7_stream -- output PKCS7 structure in PEM format.
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_add_signer -- add a signer PKCS7 signed data structure.
PKCS7_sign -- create a PKCS#7 signedData structure
PKCS7_verify -- verify a PKCS#7 signedData structure
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 -- pseudo-random number generator
RAND_set_rand_method -- select RAND method
rc4 -- RC4 encryption
ripemd -- RIPEMD-160 hash function
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_method -- select RSA method
RSA_sign_ASN1_OCTET_STRING -- RSA signatures
RSA_sign -- RSA signatures
RSA_size -- get RSA modulus size
sha -- Secure Hash Algorithm
SMIME_read_CMS -- parse S/MIME message.
SMIME_read_PKCS7 -- parse S/MIME message.
SMIME_write_CMS -- convert CMS structure to S/MIME format.
SMIME_write_PKCS7 -- convert PKCS#7 structure to S/MIME format.
threads -- OpenSSL thread support
ui_compat -- Compatibility user interface functions
ui -- New User Interface
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
X509_STORE_CTX_get_error -- get or set certificate verification status information
X509_STORE_CTX_get_ex_new_index -- add application specific data to X509_STORE_CTX structures
X509_STORE_CTX_new -- X509_STORE_CTX initialisation
X509_STORE_CTX_set_verify_cb -- set verification callback
X509_STORE_set_verify_cb_func -- set verification callback
X509_verify_cert -- discover and verify X509 certificte chain
X509_VERIFY_PARAM_set_flags -- X509 verification parameters