crypto: XML Security Library Reference Manual

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## crypto crypto — Crypto transforms implementation for GCrypt. |
## Stability Level Stable, unless otherwise indicated ## Functions
xmlSecCryptoDLFunctionsPtr | xmlSecCryptoGetFunctions_gcrypt ()
int | xmlSecGCryptInit ()
int | xmlSecGCryptShutdown ()
int | xmlSecGCryptKeysMngrInit ()
int | xmlSecGCryptGenerateRandom ()
xmlSecKeyDataId | xmlSecGCryptKeyDataAesGetKlass ()
int | xmlSecGCryptKeyDataAesSet ()
xmlSecTransformId | xmlSecGCryptTransformAes128CbcGetKlass ()
xmlSecTransformId | xmlSecGCryptTransformAes192CbcGetKlass ()
xmlSecTransformId | xmlSecGCryptTransformAes256CbcGetKlass ()
xmlSecTransformId | xmlSecGCryptTransformKWAes128GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformKWAes192GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformKWAes256GetKlass ()
xmlSecKeyDataId | xmlSecGCryptKeyDataDesGetKlass ()
int | xmlSecGCryptKeyDataDesSet ()
xmlSecTransformId | xmlSecGCryptTransformDes3CbcGetKlass ()
xmlSecTransformId | xmlSecGCryptTransformKWDes3GetKlass ()
xmlSecKeyDataId | xmlSecGCryptKeyDataDsaGetKlass ()
int | xmlSecGCryptKeyDataDsaAdoptKey ()
int | xmlSecGCryptKeyDataDsaAdoptKeyPair ()
gcry_sexp_t | xmlSecGCryptKeyDataDsaGetPublicKey ()
gcry_sexp_t | xmlSecGCryptKeyDataDsaGetPrivateKey ()
xmlSecTransformId | xmlSecGCryptTransformDsaSha1GetKlass ()
int | xmlSecGCryptHmacGetMinOutputLength ()
void | xmlSecGCryptHmacSetMinOutputLength ()
xmlSecKeyDataId | xmlSecGCryptKeyDataHmacGetKlass ()
int | xmlSecGCryptKeyDataHmacSet ()
xmlSecTransformId | xmlSecGCryptTransformHmacMd5GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformHmacRipemd160GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformHmacSha1GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformHmacSha256GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformHmacSha384GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformHmacSha512GetKlass ()
xmlSecKeyDataId | xmlSecGCryptKeyDataRsaGetKlass ()
int | xmlSecGCryptKeyDataRsaAdoptKey ()
int | xmlSecGCryptKeyDataRsaAdoptKeyPair ()
gcry_sexp_t | xmlSecGCryptKeyDataRsaGetPublicKey ()
gcry_sexp_t | xmlSecGCryptKeyDataRsaGetPrivateKey ()
xmlSecTransformId | xmlSecGCryptTransformRsaMd5GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformRsaRipemd160GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformRsaSha1GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformRsaSha256GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformRsaSha384GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformRsaSha512GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformSha1GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformSha256GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformSha384GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformSha512GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformMd5GetKlass ()
xmlSecTransformId | xmlSecGCryptTransformRipemd160GetKlass ()
## Types and Values
#define | xmlSecGCryptKeyDataAesId
#define | xmlSecGCryptTransformAes128CbcId
#define | xmlSecGCryptTransformAes192CbcId
#define | xmlSecGCryptTransformAes256CbcId
#define | xmlSecGCryptTransformKWAes128Id
#define | xmlSecGCryptTransformKWAes192Id
#define | xmlSecGCryptTransformKWAes256Id
#define | xmlSecGCryptKeyDataDesId
#define | xmlSecGCryptTransformDes3CbcId
#define | xmlSecGCryptTransformKWDes3Id
#define | xmlSecGCryptKeyDataDsaId
#define | xmlSecGCryptTransformDsaSha1Id
#define | xmlSecGCryptKeyDataHmacId
#define | xmlSecGCryptTransformHmacMd5Id
#define | xmlSecGCryptTransformHmacRipemd160Id
#define | xmlSecGCryptTransformHmacSha1Id
#define | xmlSecGCryptTransformHmacSha256Id
#define | xmlSecGCryptTransformHmacSha384Id
#define | xmlSecGCryptTransformHmacSha512Id
#define | xmlSecGCryptKeyDataRsaId
#define | xmlSecGCryptTransformRsaMd5Id
#define | xmlSecGCryptTransformRsaRipemd160Id
#define | xmlSecGCryptTransformRsaSha1Id
#define | xmlSecGCryptTransformRsaSha256Id
#define | xmlSecGCryptTransformRsaSha384Id
#define | xmlSecGCryptTransformRsaSha512Id
#define | xmlSecGCryptTransformSha1Id
#define | xmlSecGCryptTransformSha256Id
#define | xmlSecGCryptTransformSha384Id
#define | xmlSecGCryptTransformSha512Id
#define | xmlSecGCryptTransformMd5Id
#define | xmlSecGCryptTransformRipemd160Id
## Description ## Functions ### xmlSecCryptoGetFunctions_gcrypt ()
    xmlSecCryptoDLFunctionsPtr
    xmlSecCryptoGetFunctions_gcrypt (void);
Gets the pointer to xmlsec-gcrypt functions table. #### Returns the xmlsec-gcrypt functions table or NULL if an error occurs. ### xmlSecGCryptInit ()
    int
    xmlSecGCryptInit (void);
XMLSec library specific crypto engine initialization. #### Returns 0 on success or a negative value otherwise. ### xmlSecGCryptShutdown ()
    int
    xmlSecGCryptShutdown (void);
XMLSec library specific crypto engine shutdown. #### Returns 0 on success or a negative value otherwise. ### xmlSecGCryptKeysMngrInit ()
    int
    xmlSecGCryptKeysMngrInit (xmlSecKeysMngrPtr mngr);
Adds GCrypt specific key data stores in keys manager. #### Parameters
mngr | the pointer to keys manager. |
#### Returns 0 on success or a negative value otherwise. ### xmlSecGCryptGenerateRandom ()
    int
    xmlSecGCryptGenerateRandom (xmlSecBufferPtr buffer,
                                xmlSecSize size);
Generates `size` random bytes and puts result in `buffer` . #### Parameters
buffer | the destination buffer. |
size | the numer of bytes to generate. |
#### Returns 0 on success or a negative value otherwise. ### xmlSecGCryptKeyDataAesGetKlass ()
    xmlSecKeyDataId
    xmlSecGCryptKeyDataAesGetKlass (void);
The AES key data klass. #### Returns AES key data klass. ### xmlSecGCryptKeyDataAesSet ()
    int
    xmlSecGCryptKeyDataAesSet (xmlSecKeyDataPtr data,
                               const xmlSecByte *buf,
                               xmlSecSize bufSize);
Sets the value of AES key data. #### Parameters
data | the pointer to AES key data. |
buf | the pointer to key value. |
bufSize | the key value size (in bytes). |
#### Returns 0 on success or a negative value if an error occurs. ### xmlSecGCryptTransformAes128CbcGetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformAes128CbcGetKlass
                                   (void);
AES 128 CBC encryption transform klass. #### Returns pointer to AES 128 CBC encryption transform. ### xmlSecGCryptTransformAes192CbcGetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformAes192CbcGetKlass
                                   (void);
AES 192 CBC encryption transform klass. #### Returns pointer to AES 192 CBC encryption transform. ### xmlSecGCryptTransformAes256CbcGetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformAes256CbcGetKlass
                                   (void);
AES 256 CBC encryption transform klass. #### Returns pointer to AES 256 CBC encryption transform. ### xmlSecGCryptTransformKWAes128GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformKWAes128GetKlass (void);
The AES-128 kew wrapper transform klass. #### Returns AES-128 kew wrapper transform klass. ### xmlSecGCryptTransformKWAes192GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformKWAes192GetKlass (void);
The AES-192 kew wrapper transform klass. #### Returns AES-192 kew wrapper transform klass. ### xmlSecGCryptTransformKWAes256GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformKWAes256GetKlass (void);
The AES-256 kew wrapper transform klass. #### Returns AES-256 kew wrapper transform klass. ### xmlSecGCryptKeyDataDesGetKlass ()
    xmlSecKeyDataId
    xmlSecGCryptKeyDataDesGetKlass (void);
The DES key data klass. #### Returns DES key data klass. ### xmlSecGCryptKeyDataDesSet ()
    int
    xmlSecGCryptKeyDataDesSet (xmlSecKeyDataPtr data,
                               const xmlSecByte *buf,
                               xmlSecSize bufSize);
Sets the value of DES key data. #### Parameters
data | the pointer to DES key data. |
buf | the pointer to key value. |
bufSize | the key value size (in bytes). |
#### Returns 0 on success or a negative value if an error occurs. ### xmlSecGCryptTransformDes3CbcGetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformDes3CbcGetKlass (void);
Triple DES CBC encryption transform klass. #### Returns pointer to Triple DES encryption transform. ### xmlSecGCryptTransformKWDes3GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformKWDes3GetKlass (void);
The Triple DES key wrapper transform klass. #### Returns Triple DES key wrapper transform klass. ### xmlSecGCryptKeyDataDsaGetKlass ()
    xmlSecKeyDataId
    xmlSecGCryptKeyDataDsaGetKlass (void);
The DSA key data klass. #### Returns pointer to DSA key data klass. ### xmlSecGCryptKeyDataDsaAdoptKey ()
    int
    xmlSecGCryptKeyDataDsaAdoptKey (xmlSecKeyDataPtr data,
                                    gcry_sexp_t dsa_key);
Sets the value of DSA key data. #### Parameters
data | the pointer to DSA key data. |
dsa_key | the pointer to GCrypt DSA key. |
#### Returns 0 on success or a negative value otherwise. ### xmlSecGCryptKeyDataDsaAdoptKeyPair ()
    int
    xmlSecGCryptKeyDataDsaAdoptKeyPair (xmlSecKeyDataPtr data,
                                        gcry_sexp_t pub_key,
                                        gcry_sexp_t priv_key);
Sets the value of DSA key data. #### Parameters
data | the pointer to DSA key data. |
pub_key | the pointer to GCrypt DSA pub key. |
priv_key | the pointer to GCrypt DSA priv key. |
#### Returns 0 on success or a negative value otherwise. ### xmlSecGCryptKeyDataDsaGetPublicKey ()
    gcry_sexp_t
    xmlSecGCryptKeyDataDsaGetPublicKey (xmlSecKeyDataPtr data);
Gets the GCrypt DSA public key from DSA key data. #### Parameters
data | the pointer to DSA key data. |
#### Returns pointer to GCrypt public DSA key or NULL if an error occurs. ### xmlSecGCryptKeyDataDsaGetPrivateKey ()
    gcry_sexp_t
    xmlSecGCryptKeyDataDsaGetPrivateKey (xmlSecKeyDataPtr data);
Gets the GCrypt DSA private key from DSA key data. #### Parameters
data | the pointer to DSA key data. |
#### Returns pointer to GCrypt private DSA key or NULL if an error occurs. ### xmlSecGCryptTransformDsaSha1GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformDsaSha1GetKlass (void);
The DSA-SHA1 signature transform klass. #### Returns DSA-SHA1 signature transform klass. ### xmlSecGCryptHmacGetMinOutputLength ()
    int
    xmlSecGCryptHmacGetMinOutputLength (void);
Gets the value of min HMAC length. #### Returns the min HMAC output length ### xmlSecGCryptHmacSetMinOutputLength ()
    void
    xmlSecGCryptHmacSetMinOutputLength (int min_length);
Sets the min HMAC output length #### Parameters
min_length | the new min length |
### xmlSecGCryptKeyDataHmacGetKlass ()
    xmlSecKeyDataId
    xmlSecGCryptKeyDataHmacGetKlass (void);
The HMAC key data klass. #### Returns HMAC key data klass. ### xmlSecGCryptKeyDataHmacSet ()
    int
    xmlSecGCryptKeyDataHmacSet (xmlSecKeyDataPtr data,
                                const xmlSecByte *buf,
                                xmlSecSize bufSize);
Sets the value of HMAC key data. #### Parameters
data | the pointer to HMAC key data. |
buf | the pointer to key value. |
bufSize | the key value size (in bytes). |
#### Returns 0 on success or a negative value if an error occurs. ### xmlSecGCryptTransformHmacMd5GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformHmacMd5GetKlass (void);
The HMAC-MD5 transform klass. #### Returns the HMAC-MD5 transform klass. ### xmlSecGCryptTransformHmacRipemd160GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformHmacRipemd160GetKlass
                                   (void);
The HMAC-RIPEMD160 transform klass. #### Returns the HMAC-RIPEMD160 transform klass. ### xmlSecGCryptTransformHmacSha1GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformHmacSha1GetKlass (void);
The HMAC-SHA1 transform klass. #### Returns the HMAC-SHA1 transform klass. ### xmlSecGCryptTransformHmacSha256GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformHmacSha256GetKlass
                                   (void);
The HMAC-SHA256 transform klass. #### Returns the HMAC-SHA256 transform klass. ### xmlSecGCryptTransformHmacSha384GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformHmacSha384GetKlass
                                   (void);
The HMAC-SHA384 transform klass. #### Returns the HMAC-SHA384 transform klass. ### xmlSecGCryptTransformHmacSha512GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformHmacSha512GetKlass
                                   (void);
The HMAC-SHA512 transform klass. #### Returns the HMAC-SHA512 transform klass. ### xmlSecGCryptKeyDataRsaGetKlass ()
    xmlSecKeyDataId
    xmlSecGCryptKeyDataRsaGetKlass (void);
The GCrypt RSA key data klass. #### Returns pointer to GCrypt RSA key data klass. ### xmlSecGCryptKeyDataRsaAdoptKey ()
    int
    xmlSecGCryptKeyDataRsaAdoptKey (xmlSecKeyDataPtr data,
                                    gcry_sexp_t rsa_key);
Sets the value of RSA key data. #### Parameters
data | the pointer to RSA key data. |
rsa_key | the pointer to GCrypt RSA key. |
#### Returns 0 on success or a negative value otherwise. ### xmlSecGCryptKeyDataRsaAdoptKeyPair ()
    int
    xmlSecGCryptKeyDataRsaAdoptKeyPair (xmlSecKeyDataPtr data,
                                        gcry_sexp_t pub_key,
                                        gcry_sexp_t priv_key);
Sets the value of RSA key data. #### Parameters
data | the pointer to RSA key data. |
pub_key | the pointer to GCrypt RSA pub key. |
priv_key | the pointer to GCrypt RSA priv key. |
#### Returns 0 on success or a negative value otherwise. ### xmlSecGCryptKeyDataRsaGetPublicKey ()
    gcry_sexp_t
    xmlSecGCryptKeyDataRsaGetPublicKey (xmlSecKeyDataPtr data);
Gets the GCrypt RSA public key from RSA key data. #### Parameters
data | the pointer to RSA key data. |
#### Returns pointer to GCrypt public RSA key or NULL if an error occurs. ### xmlSecGCryptKeyDataRsaGetPrivateKey ()
    gcry_sexp_t
    xmlSecGCryptKeyDataRsaGetPrivateKey (xmlSecKeyDataPtr data);
Gets the GCrypt RSA private key from RSA key data. #### Parameters
data | the pointer to RSA key data. |
#### Returns pointer to GCrypt private RSA key or NULL if an error occurs. ### xmlSecGCryptTransformRsaMd5GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformRsaMd5GetKlass (void);
The RSA-MD5 signature transform klass. #### Returns RSA-MD5 signature transform klass. ### xmlSecGCryptTransformRsaRipemd160GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformRsaRipemd160GetKlass
                                   (void);
The RSA-RIPEMD160 signature transform klass. #### Returns RSA-RIPEMD160 signature transform klass. ### xmlSecGCryptTransformRsaSha1GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformRsaSha1GetKlass (void);
The RSA-SHA1 signature transform klass. #### Returns RSA-SHA1 signature transform klass. ### xmlSecGCryptTransformRsaSha256GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformRsaSha256GetKlass
                                   (void);
The RSA-SHA256 signature transform klass. #### Returns RSA-SHA256 signature transform klass. ### xmlSecGCryptTransformRsaSha384GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformRsaSha384GetKlass
                                   (void);
The RSA-SHA384 signature transform klass. #### Returns RSA-SHA384 signature transform klass. ### xmlSecGCryptTransformRsaSha512GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformRsaSha512GetKlass
                                   (void);
The RSA-SHA512 signature transform klass. #### Returns RSA-SHA512 signature transform klass. ### xmlSecGCryptTransformSha1GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformSha1GetKlass (void);
SHA-1 digest transform klass. #### Returns pointer to SHA-1 digest transform klass. ### xmlSecGCryptTransformSha256GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformSha256GetKlass (void);
SHA256 digest transform klass. #### Returns pointer to SHA256 digest transform klass. ### xmlSecGCryptTransformSha384GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformSha384GetKlass (void);
SHA384 digest transform klass. #### Returns pointer to SHA384 digest transform klass. ### xmlSecGCryptTransformSha512GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformSha512GetKlass (void);
SHA512 digest transform klass. #### Returns pointer to SHA512 digest transform klass. ### xmlSecGCryptTransformMd5GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformMd5GetKlass (void);
MD5 digest transform klass. #### Returns pointer to MD5 digest transform klass. ### xmlSecGCryptTransformRipemd160GetKlass ()
    xmlSecTransformId
    xmlSecGCryptTransformRipemd160GetKlass
                                   (void);
RIPEMD160 digest transform klass. #### Returns pointer to RIPEMD160 digest transform klass. ## Types and Values ### xmlSecGCryptKeyDataAesId
    #define             xmlSecGCryptKeyDataAesId
The AES key data klass. ### xmlSecGCryptTransformAes128CbcId
    #define             xmlSecGCryptTransformAes128CbcId
The AES128 CBC cipher transform klass. ### xmlSecGCryptTransformAes192CbcId
    #define             xmlSecGCryptTransformAes192CbcId
The AES192 CBC cipher transform klass. ### xmlSecGCryptTransformAes256CbcId
    #define             xmlSecGCryptTransformAes256CbcId
The AES256 CBC cipher transform klass. ### xmlSecGCryptTransformKWAes128Id
    #define             xmlSecGCryptTransformKWAes128Id
The AES 128 key wrap transform klass. ### xmlSecGCryptTransformKWAes192Id
    #define             xmlSecGCryptTransformKWAes192Id
The AES 192 key wrap transform klass. ### xmlSecGCryptTransformKWAes256Id
    #define             xmlSecGCryptTransformKWAes256Id
The AES 256 key wrap transform klass. ### xmlSecGCryptKeyDataDesId
    #define             xmlSecGCryptKeyDataDesId
The DES key data klass. ### xmlSecGCryptTransformDes3CbcId
    #define             xmlSecGCryptTransformDes3CbcId
The DES3 CBC cipher transform klass. ### xmlSecGCryptTransformKWDes3Id
    #define             xmlSecGCryptTransformKWDes3Id
The DES3 KW transform klass. ### xmlSecGCryptKeyDataDsaId
    #define             xmlSecGCryptKeyDataDsaId
The DSA key klass. ### xmlSecGCryptTransformDsaSha1Id
    #define             xmlSecGCryptTransformDsaSha1Id
The DSA SHA1 signature transform klass. ### xmlSecGCryptKeyDataHmacId
    #define             xmlSecGCryptKeyDataHmacId
The HMAC key klass. ### xmlSecGCryptTransformHmacMd5Id
    #define             xmlSecGCryptTransformHmacMd5Id
The HMAC with MD5 signature transform klass. ### xmlSecGCryptTransformHmacRipemd160Id
    #define             xmlSecGCryptTransformHmacRipemd160Id
The HMAC with RipeMD160 signature transform klass. ### xmlSecGCryptTransformHmacSha1Id
    #define             xmlSecGCryptTransformHmacSha1Id
The HMAC with SHA1 signature transform klass. ### xmlSecGCryptTransformHmacSha256Id
    #define             xmlSecGCryptTransformHmacSha256Id
The HMAC with SHA256 signature transform klass. ### xmlSecGCryptTransformHmacSha384Id
    #define             xmlSecGCryptTransformHmacSha384Id
The HMAC with SHA384 signature transform klass. ### xmlSecGCryptTransformHmacSha512Id
    #define             xmlSecGCryptTransformHmacSha512Id
The HMAC with SHA512 signature transform klass. ### xmlSecGCryptKeyDataRsaId
    #define             xmlSecGCryptKeyDataRsaId
The RSA key klass. ### xmlSecGCryptTransformRsaMd5Id
    #define             xmlSecGCryptTransformRsaMd5Id
The RSA-MD5 signature transform klass. ### xmlSecGCryptTransformRsaRipemd160Id
    #define             xmlSecGCryptTransformRsaRipemd160Id
The RSA-RIPEMD160 signature transform klass. ### xmlSecGCryptTransformRsaSha1Id
    #define             xmlSecGCryptTransformRsaSha1Id
The RSA-SHA1 signature transform klass. ### xmlSecGCryptTransformRsaSha256Id
    #define             xmlSecGCryptTransformRsaSha256Id
The RSA-SHA256 signature transform klass. ### xmlSecGCryptTransformRsaSha384Id
    #define             xmlSecGCryptTransformRsaSha384Id
The RSA-SHA384 signature transform klass. ### xmlSecGCryptTransformRsaSha512Id
    #define             xmlSecGCryptTransformRsaSha512Id
The RSA-SHA512 signature transform klass. ### xmlSecGCryptTransformSha1Id
    #define             xmlSecGCryptTransformSha1Id
The HMAC with SHA1 signature transform klass. ### xmlSecGCryptTransformSha256Id
    #define             xmlSecGCryptTransformSha256Id
The HMAC with SHA256 signature transform klass. ### xmlSecGCryptTransformSha384Id
    #define             xmlSecGCryptTransformSha384Id
The HMAC with SHA384 signature transform klass. ### xmlSecGCryptTransformSha512Id
    #define             xmlSecGCryptTransformSha512Id
The HMAC with SHA512 signature transform klass. ### xmlSecGCryptTransformMd5Id
    #define             xmlSecGCryptTransformMd5Id
The MD5 digest transform klass. ### xmlSecGCryptTransformRipemd160Id
    #define             xmlSecGCryptTransformRipemd160Id
The RIPEMD160 digest transform klass.