hcrypto_evp − EVP generic crypto functions
const
EVP_CIPHER * EVP_wincrypt_des_ede3_cbc (void)
const EVP_CIPHER * EVP_hcrypto_aes_128_cbc (void)
const EVP_CIPHER * EVP_hcrypto_aes_192_cbc (void)
const EVP_CIPHER * EVP_hcrypto_aes_256_cbc (void)
const EVP_CIPHER * EVP_hcrypto_aes_128_cfb8 (void)
const EVP_CIPHER * EVP_hcrypto_aes_192_cfb8 (void)
const EVP_CIPHER * EVP_hcrypto_aes_256_cfb8 (void)
const EVP_MD * EVP_hcrypto_sha256 (void)
const EVP_MD * EVP_hcrypto_sha384 (void)
const EVP_MD * EVP_hcrypto_sha512 (void)
const EVP_MD * EVP_hcrypto_sha1 (void)
const EVP_MD * EVP_hcrypto_md5 (void)
const EVP_MD * EVP_hcrypto_md4 (void)
const EVP_CIPHER * EVP_hcrypto_des_cbc (void)
const EVP_CIPHER * EVP_hcrypto_des_ede3_cbc (void)
const EVP_CIPHER * EVP_hcrypto_rc2_cbc (void)
const EVP_CIPHER * EVP_hcrypto_rc2_40_cbc (void)
const EVP_CIPHER * EVP_hcrypto_rc2_64_cbc (void)
const EVP_CIPHER * EVP_hcrypto_camellia_128_cbc
(void)
const EVP_CIPHER * EVP_hcrypto_camellia_192_cbc
(void)
const EVP_CIPHER * EVP_hcrypto_camellia_256_cbc
(void)
OSSL_CIPHER_ALGORITHM (rc2_cbc,
hc_EVP_CIPH_CBC_MODE|hc_EVP_CIPH_VARIABLE_LENGTH)
OSSL_CIPHER_ALGORITHM(rc2_40_cbc
hc_EVP_CIPH_CBC_MODE OSSL_CIPHER_ALGORITHM
(rc2_64_cbc,
hc_EVP_CIPH_CBC_MODE|hc_EVP_CIPH_VARIABLE_LENGTH)
OSSL_CIPHER_ALGORITHM(rc4
WINCNG_CIPHER_ALGORITHM (des_ede3_cbc,
BCRYPT_3DES_ALGORITHM, 8, 24, 8, EVP_CIPH_CBC_MODE)
WINCNG_CIPHER_ALGORITHM (des_cbc, BCRYPT_DES_ALGORITHM,
8, 8, 8, EVP_CIPH_CBC_MODE)
WINCNG_CIPHER_ALGORITHM (aes_128_cbc,
BCRYPT_AES_ALGORITHM, 16, 16, 16, EVP_CIPH_CBC_MODE)
WINCNG_CIPHER_ALGORITHM (aes_192_cbc,
BCRYPT_AES_ALGORITHM, 16, 24, 16, EVP_CIPH_CBC_MODE)
WINCNG_CIPHER_ALGORITHM (aes_256_cbc,
BCRYPT_AES_ALGORITHM, 16, 32, 16, EVP_CIPH_CBC_MODE)
WINCNG_CIPHER_ALGORITHM (aes_128_cfb8,
BCRYPT_AES_ALGORITHM, 16, 16, 16, EVP_CIPH_CFB8_MODE)
WINCNG_CIPHER_ALGORITHM (aes_192_cfb8,
BCRYPT_AES_ALGORITHM, 16, 24, 16, EVP_CIPH_CFB8_MODE)
WINCNG_CIPHER_ALGORITHM (aes_256_cfb8,
BCRYPT_AES_ALGORITHM, 16, 32, 16, EVP_CIPH_CFB8_MODE)
WINCNG_CIPHER_ALGORITHM (rc2_cbc, BCRYPT_RC2_ALGORITHM,
8, 16, 8, EVP_CIPH_CBC_MODE)
WINCNG_CIPHER_ALGORITHM (rc2_40_cbc,
BCRYPT_RC2_ALGORITHM, 8, 5, 8, EVP_CIPH_CBC_MODE)
WINCNG_CIPHER_ALGORITHM (rc2_64_cbc,
BCRYPT_RC2_ALGORITHM, 8, 8, 8, EVP_CIPH_CBC_MODE)
WINCNG_CIPHER_ALGORITHM_UNAVAILABLE (camellia_128_cbc)
WINCNG_CIPHER_ALGORITHM_UNAVAILABLE (camellia_192_cbc)
WINCNG_CIPHER_ALGORITHM_UNAVAILABLE (camellia_256_cbc)
WINCNG_CIPHER_ALGORITHM (rc4, BCRYPT_RC4_ALGORITHM, 1,
16, 0, EVP_CIPH_STREAM_CIPHER|EVP_CIPH_VARIABLE_LENGTH)
WINCNG_CIPHER_ALGORITHM (rc4_40, BCRYPT_RC4_ALGORITHM,
1, 5, 0, EVP_CIPH_STREAM_CIPHER|EVP_CIPH_VARIABLE_LENGTH)
size_t EVP_MD_size (const EVP_MD *md)
size_t EVP_MD_block_size (const EVP_MD *md)
EVP_MD_CTX * EVP_MD_CTX_create (void)
void EVP_MD_CTX_init (EVP_MD_CTX *ctx) HC_DEPRECATED
void EVP_MD_CTX_destroy (EVP_MD_CTX *ctx)
int EVP_MD_CTX_cleanup (EVP_MD_CTX *ctx)
HC_DEPRECATED
const EVP_MD * EVP_MD_CTX_md (EVP_MD_CTX *ctx)
size_t EVP_MD_CTX_size (EVP_MD_CTX *ctx)
size_t EVP_MD_CTX_block_size (EVP_MD_CTX *ctx)
int EVP_DigestInit_ex (EVP_MD_CTX *ctx, const EVP_MD
*md, ENGINE *engine)
int EVP_DigestUpdate (EVP_MD_CTX *ctx, const void
*data, size_t size)
int EVP_DigestFinal_ex (EVP_MD_CTX *ctx, void *hash,
unsigned int *size)
int EVP_Digest (const void *data, size_t dsize, void
*hash, unsigned int *hsize, const EVP_MD *md, ENGINE
*engine)
const EVP_MD * EVP_sha256 (void)
const EVP_MD * EVP_sha384 (void)
const EVP_MD * EVP_sha512 (void)
const EVP_MD * EVP_sha1 (void)
const EVP_MD * EVP_sha (void)
const EVP_MD * EVP_md5 (void)
const EVP_MD * EVP_md4 (void)
const EVP_MD * EVP_md_null (void)
size_t EVP_CIPHER_block_size (const EVP_CIPHER *c)
size_t EVP_CIPHER_key_length (const EVP_CIPHER *c)
size_t EVP_CIPHER_iv_length (const EVP_CIPHER *c)
void EVP_CIPHER_CTX_init (EVP_CIPHER_CTX *c)
int EVP_CIPHER_CTX_cleanup (EVP_CIPHER_CTX *c)
int EVP_CIPHER_CTX_set_key_length (EVP_CIPHER_CTX *c,
int length)
const EVP_CIPHER * EVP_CIPHER_CTX_cipher
(EVP_CIPHER_CTX *ctx)
size_t EVP_CIPHER_CTX_block_size (const
EVP_CIPHER_CTX *ctx)
size_t EVP_CIPHER_CTX_key_length (const
EVP_CIPHER_CTX *ctx)
size_t EVP_CIPHER_CTX_iv_length (const EVP_CIPHER_CTX
*ctx)
unsigned long EVP_CIPHER_CTX_flags (const
EVP_CIPHER_CTX *ctx)
int EVP_CIPHER_CTX_mode (const EVP_CIPHER_CTX *ctx)
void * EVP_CIPHER_CTX_get_app_data (EVP_CIPHER_CTX
*ctx)
void EVP_CIPHER_CTX_set_app_data (EVP_CIPHER_CTX
*ctx, void *data)
int EVP_CipherInit_ex (EVP_CIPHER_CTX *ctx, const
EVP_CIPHER *c, ENGINE *engine, const void *key, const void
*iv, int encp)
int EVP_CipherUpdate (EVP_CIPHER_CTX *ctx, void *out,
int *outlen, void *in, size_t inlen)
int EVP_CipherFinal_ex (EVP_CIPHER_CTX *ctx, void
*out, int *outlen)
const EVP_CIPHER * EVP_enc_null (void)
const EVP_CIPHER * EVP_rc2_cbc (void)
const EVP_CIPHER * EVP_rc2_40_cbc (void)
const EVP_CIPHER * EVP_rc2_64_cbc (void)
const EVP_CIPHER * EVP_rc4 (void)
const EVP_CIPHER * EVP_rc4_40 (void)
const EVP_CIPHER * EVP_des_cbc (void)
const EVP_CIPHER * EVP_des_ede3_cbc (void)
const EVP_CIPHER * EVP_aes_128_cbc (void)
const EVP_CIPHER * EVP_aes_192_cbc (void)
const EVP_CIPHER * EVP_aes_256_cbc (void)
const EVP_CIPHER * EVP_aes_128_cfb8 (void)
const EVP_CIPHER * EVP_aes_192_cfb8 (void)
const EVP_CIPHER * EVP_aes_256_cfb8 (void)
const EVP_CIPHER * EVP_camellia_128_cbc (void)
const EVP_CIPHER * EVP_camellia_192_cbc (void)
const EVP_CIPHER * EVP_camellia_256_cbc (void)
const EVP_CIPHER * EVP_get_cipherbyname (const char
*name)
int EVP_BytesToKey (const EVP_CIPHER *type, const
EVP_MD *md, const void *salt, const void *data, size_t
datalen, unsigned int count, void *keydata, void
*ivdata)
See the EVP - generic crypto interface for description and examples.
The AES-128 cipher type
Returns
the AES-128 EVP_CIPHER pointer.
Examples
example_evp_cipher.c.
The AES-128 cipher type
Returns
the AES-128 EVP_CIPHER pointer.
The AES-192 cipher type
Returns
the AES-192 EVP_CIPHER pointer.
The AES-192 cipher type
Returns
the AES-192 EVP_CIPHER pointer.
The AES-256 cipher type
Returns
the AES-256 EVP_CIPHER pointer.
The AES-256 cipher type
Returns
the AES-256 EVP_CIPHER pointer.
Provides a legancy string to key function, used in PEM files.
New protocols should use new string to key functions like NIST SP56-800A or PKCS#5 v2.0 (see PKCS5_PBKDF2_HMAC_SHA1()).
Parameters
type type of cipher to
use
md message digest to use
salt salt salt string, should be an binary 8 byte
buffer.
data the password/input key string.
datalen length of data parameter.
count iteration counter.
keydata output keydata, needs to of the size
EVP_CIPHER_key_length().
ivdata output ivdata, needs to of the size
EVP_CIPHER_block_size().
Returns
the size of derived key.
The Camellia-128 cipher type
Returns
the Camellia-128 EVP_CIPHER pointer.
The Camellia-198 cipher type
Returns
the Camellia-198 EVP_CIPHER pointer.
The Camellia-256 cipher type
Returns
the Camellia-256 EVP_CIPHER pointer.
Return the block size of the cipher.
Parameters
c cipher to get the block size from.
Returns
the block size of the cipher.
Examples
example_evp_cipher.c.
Return the block size of the cipher context.
Parameters
ctx cipher context to get the block size from.
Returns
the block size of the cipher context.
Return the EVP_CIPHER for a EVP_CIPHER_CTX context.
Parameters
ctx the context to get the cipher type from.
Returns
the EVP_CIPHER pointer.
Clean up the EVP_CIPHER_CTX context.
Parameters
c the cipher to clean up.
Returns
1 on success.
Examples
example_evp_cipher.c.
Get the flags for an EVP_CIPHER_CTX context.
Parameters
ctx the EVP_CIPHER_CTX to get the flags from
Returns
the flags for an EVP_CIPHER_CTX.
Get the app data for an EVP_CIPHER_CTX context.
Parameters
ctx the EVP_CIPHER_CTX to get the app data from
Returns
the app data for an EVP_CIPHER_CTX.
Initiate a EVP_CIPHER_CTX context. Clean up with EVP_CIPHER_CTX_cleanup().
Parameters
c the cipher initiate.
Examples
example_evp_cipher.c.
Return the IV size of the cipher context.
Parameters
ctx cipher context to get the IV size from.
Returns
the IV size of the cipher context.
Return the key size of the cipher context.
Parameters
ctx cipher context to get the key size from.
Returns
the key size of the cipher context.
Get the mode for an EVP_CIPHER_CTX context.
Parameters
ctx the EVP_CIPHER_CTX to get the mode from
Returns
the mode for an EVP_CIPHER_CTX.
Set the app data for an EVP_CIPHER_CTX context.
Parameters
ctx the EVP_CIPHER_CTX
to set the app data for
data the app data to set for an EVP_CIPHER_CTX.
If the cipher type supports it, change the key length
Parameters
c the cipher context to
change the key length for
length new key length
Returns
1 on success.
Return the IV size of the cipher.
Parameters
c cipher to get the IV size from.
Returns
the IV size of the cipher.
Examples
example_evp_cipher.c.
Return the key size of the cipher.
Parameters
c cipher to get the key size from.
Returns
the key size of the cipher.
Examples
example_evp_cipher.c.
Encipher/decipher final data
Parameters
ctx the cipher context.
out output data from the operation.
outlen output length
The input length needs to be at least EVP_CIPHER_block_size() bytes long.
See EVP Cipher for an example how to use this function.
Returns
1 on success.
Examples
example_evp_cipher.c.
Initiate the EVP_CIPHER_CTX context to encrypt or decrypt data. Clean up with EVP_CIPHER_CTX_cleanup().
Parameters
ctx context to initiate
c cipher to use.
engine crypto engine to use, NULL to select default.
key the crypto key to use, NULL will use the previous
value.
iv the IV to use, NULL will use the previous value.
encp non zero will encrypt, -1 use the previous
value.
Returns
1 on success.
Examples
example_evp_cipher.c.
Encipher/decipher partial data
Parameters
ctx the cipher context.
out output data from the operation.
outlen output length
in input data to the operation.
inlen length of data.
The output buffer length should at least be EVP_CIPHER_block_size() byte longer then the input length.
See EVP Cipher for an example how to use this function.
Returns
1 on success.
If there in no spare bytes in the left from last Update and the input length is on the block boundery, the EVP_CipherUpdate() function can take a shortcut (and preformance gain) and directly encrypt the data, otherwise we hav to fix it up and store extra it the EVP_CIPHER_CTX.
Examples
example_evp_cipher.c.
The DES cipher type
Returns
the DES-CBC EVP_CIPHER pointer.
The triple DES cipher type
Returns
the DES-EDE3-CBC EVP_CIPHER pointer.
Do the whole EVP_MD_CTX_create(), EVP_DigestInit_ex(), EVP_DigestUpdate(), EVP_DigestFinal_ex(), EVP_MD_CTX_destroy() dance in one call.
Parameters
data the data to update
the context with
dsize length of data
hash output data of at least EVP_MD_size()
length.
hsize output length of hash.
md message digest to use
engine engine to use, NULL for default engine.
Returns
1 on success.
Complete the message digest.
Parameters
ctx the context to
complete.
hash the output of the message digest function. At least
EVP_MD_size().
size the output size of hash.
Returns
1 on success.
Init a EVP_MD_CTX for use a specific message digest and engine.
Parameters
ctx the message digest
context to init.
md the message digest to use.
engine the engine to use, NULL to use the default
engine.
Returns
1 on success.
Update the digest with some data.
Parameters
ctx the context to
update
data the data to update the context with
size length of data
Returns
1 on success.
The NULL cipher type, does no encryption/decryption.
Returns
the null EVP_CIPHER pointer.
Get the cipher type using their name.
Parameters
name the name of the cipher.
Returns
the selected EVP_CIPHER pointer or NULL if not found.
The AES-128 cipher type (hcrypto)
Returns
the AES-128 EVP_CIPHER pointer.
The AES-128 CFB8 cipher type (hcrypto)
Returns
the AES-128 EVP_CIPHER pointer.
The AES-192 cipher type (hcrypto)
Returns
the AES-192 EVP_CIPHER pointer.
The AES-192 CFB8 cipher type (hcrypto)
Returns
the AES-192 EVP_CIPHER pointer.
The AES-256 cipher type (hcrypto)
Returns
the AES-256 EVP_CIPHER pointer.
The AES-256 CFB8 cipher type (hcrypto)
Returns
the AES-256 EVP_CIPHER pointer.
The Camellia-128 cipher type - hcrypto
Returns
the Camellia-128 EVP_CIPHER pointer.
The Camellia-198 cipher type - hcrypto
Returns
the Camellia-198 EVP_CIPHER pointer.
The Camellia-256 cipher type - hcrypto
Returns
the Camellia-256 EVP_CIPHER pointer.
The DES cipher type
Returns
the DES-CBC EVP_CIPHER pointer.
The triple DES cipher type - hcrypto
Returns
the DES-EDE3-CBC EVP_CIPHER pointer.
The message digest MD4 - hcrypto
Returns
the message digest type.
The message digest MD5 - hcrypto
Returns
the message digest type.
The RC2-40 cipher type
Returns
the RC2-40 EVP_CIPHER pointer.
The RC2-64 cipher type
Returns
the RC2-64 EVP_CIPHER pointer.
The RC2 cipher type - hcrypto
Returns
the RC2 EVP_CIPHER pointer.
The message digest SHA1 - hcrypto
Returns
the message digest type.
The message digest SHA256 - hcrypto
Returns
the message digest type.
The message digest SHA384 - hcrypto
Returns
the message digest type.
The message digest SHA512 - hcrypto
Returns
the message digest type.
The message digest MD4
Returns
the message digest type.
The message digest MD5
Returns
the message digest type.
Return the blocksize of the message digest function.
Parameters
md the evp message
Returns
size size of the message digest block size
Return the blocksize of the message digest function.
Parameters
ctx the evp message digest context
Returns
size size of the message digest block size
Free the resources used by the EVP_MD context.
Parameters
ctx the context to free the resources from.
Returns
1 on success.
Allocate a messsage digest context object. Free with EVP_MD_CTX_destroy().
Returns
a newly allocated message digest context object.
Free a messsage digest context object.
Parameters
ctx context to free.
Initiate a messsage digest context object. Deallocate with EVP_MD_CTX_cleanup(). Please use EVP_MD_CTX_create() instead.
Parameters
ctx variable to initiate.
Get the EVP_MD use for a specified context.
Parameters
ctx the EVP_MD context to get the EVP_MD for.
Returns
the EVP_MD used for the context.
Return the output size of the message digest function.
Parameters
ctx the evp message digest context
Returns
size output size of the message digest function.
The null message digest
Returns
the message digest type.
Return the output size of the message digest function.
Parameters
md the evp message
Returns
size output size of the message digest function.
The RC2 cipher type
Returns
the RC2 EVP_CIPHER pointer.
The RC2 cipher type
Returns
the RC2 EVP_CIPHER pointer.
The RC2 cipher type
Returns
the RC2 EVP_CIPHER pointer.
The RC4 cipher type
Returns
the RC4 EVP_CIPHER pointer.
The RC4-40 cipher type
Returns
the RC4-40 EVP_CIPHER pointer.
The message digest SHA1
Returns
the message digest type.
The message digest SHA1
Returns
the message digest type.
The message digest SHA256
Returns
the message digest type.
The message digest SHA384
Returns
the message digest type.
The message digest SHA512
Returns
the message digest type.
The triple DES cipher type (Micrsoft crypt provider)
Returns
the DES-EDE3-CBC EVP_CIPHER pointer.
The RC2-64 cipher type - OpenSSL
Returns
the RC2-64 EVP_CIPHER pointer. The Camellia-128 cipher type - OpenSSL
the Camellia-128 EVP_CIPHER pointer. The Camellia-198 cipher type - OpenSSL
the Camellia-198 EVP_CIPHER pointer. The Camellia-256 cipher type - OpenSSL
the Camellia-256 EVP_CIPHER pointer. The RC4 cipher type (OpenSSL provider)
the RC4 EVP_CIPHER pointer.
The triple DES cipher type (OpenSSL provider)
Returns
the DES-EDE3-CBC EVP_CIPHER pointer. The DES cipher type (OpenSSL provider)
the DES-CBC EVP_CIPHER pointer. The AES-128 cipher type (OpenSSL provider)
the AES-128-CBC EVP_CIPHER pointer. The AES-192 cipher type (OpenSSL provider)
the AES-192-CBC EVP_CIPHER pointer. The AES-256 cipher type (OpenSSL provider)
the AES-256-CBC EVP_CIPHER pointer. The AES-128 CFB8 cipher type (OpenSSL provider)
the AES-128-CFB8 EVP_CIPHER pointer. The AES-192 CFB8 cipher type (OpenSSL provider)
the AES-192-CFB8 EVP_CIPHER pointer. The AES-256 CFB8 cipher type (OpenSSL provider)
the AES-256-CFB8 EVP_CIPHER pointer. The RC2 cipher type - OpenSSL
the RC2 EVP_CIPHER pointer. The RC2-40 cipher type - OpenSSL
the RC2-40 EVP_CIPHER pointer.
The AES-128 cipher type (Windows CNG provider)
Returns
the AES-128-CBC EVP_CIPHER pointer.
The AES-128 CFB8 cipher type (Windows CNG provider)
Returns
the AES-128-CFB8 EVP_CIPHER pointer.
The AES-192 cipher type (Windows CNG provider)
Returns
the AES-192-CBC EVP_CIPHER pointer.
The AES-192 CFB8 cipher type (Windows CNG provider)
Returns
the AES-192-CFB8 EVP_CIPHER pointer.
The AES-256 cipher type (Windows CNG provider)
Returns
the AES-256-CBC EVP_CIPHER pointer.
The AES-256 CFB8 cipher type (Windows CNG provider)
Returns
the AES-256-CFB8 EVP_CIPHER pointer.
The DES cipher type (Windows CNG provider)
Returns
the DES-CBC EVP_CIPHER pointer.
The triple DES cipher type (Windows CNG provider)
Returns
the DES-EDE3-CBC EVP_CIPHER pointer.
The RC2-40 cipher type - Windows CNG
Returns
the RC2-40 EVP_CIPHER pointer.
The RC2-64 cipher type - Windows CNG
Returns
the RC2-64 EVP_CIPHER pointer.
The RC2 cipher type - Windows CNG
Returns
the RC2 EVP_CIPHER pointer.
The RC4 cipher type (Windows CNG provider)
Returns
the RC4 EVP_CIPHER pointer.
The RC4-40 cipher type (Windows CNG provider)
Returns
the RC4 EVP_CIPHER pointer.
The Camellia-128 cipher type - CommonCrypto
Returns
the Camellia-128 EVP_CIPHER pointer.
The Camellia-198 cipher type - CommonCrypto
Returns
the Camellia-198 EVP_CIPHER pointer.
The Camellia-256 cipher type - CommonCrypto
Returns
the Camellia-256 EVP_CIPHER pointer.
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