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Ubisoft.com/GSServices/SDKS64/gs-sdk-common/include/GSCryptoDefines.h

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+//****************************************************************************
+//*   Author:  Guillaume Plante  gsdevelopers@ubisoft.com
+//*   Date:    2002-06-10 10:11:16
+ /*!  \file   GSCryptoDefines.h
+  *   \brief  Cryptographic sdk variable definitions
+  *
+  *   This file defines all the global values and structures used by the
+  *   gs-sdk-crypto.
+  */
+//****************************************************************************
+
+#ifndef __GSCRYPTODEFINES_H__
+#define __GSCRYPTODEFINES_H__
+
+/*! 
+	\brief Cryptographic hash algorithms enumeration
+
+    This structure contains the valid hash algorithms that can be used with this sdk.
+	E_MD5 represent the MD5 algorithm and E_SHA1 represent the Secure Hash Algorithm .
+*/
+enum GSCRYPTO_HASH_ALGO {
+    E_MD5,
+    E_SHA1
+};
+
+#define MD5_DIGESTSIZE	16	//!< One-way hash digest size (MD5)
+#define SHA1_DIGESTSIZE	20	//!< One-way hash digest size (SHA1)
+
+#define MD5_HEXASIZE	(2 * MD5_DIGESTSIZE)	//!< One-way hash hexadecimal output size (MD5)
+#define SHA1_HEXASIZE	(2 * SHA1_DIGESTSIZE)	//!< One-way hash hexadecimal output size (SHA1)
+
+/*! 
+	\brief Symmetric cryptographic algorithms enumeration
+
+    This structure contains the valid cipher algorithms that can be used with this sdk.
+	E_BLOWFISH represent the blowfish algorithm and E_GSXOR represent the 
+	bitshift algorithm use by the the ubi.com gs-client.
+*/
+enum GSCRYPTO_CIPHER_ALGO {
+    E_BLOWFISH,
+    E_GSXOR
+};
+
+/*! 
+	\brief Asymmetric cryptographic algorithms enumeration
+
+    This structure contains the valid public/private key algorithms that can be used with this sdk.
+	E_RSA represent the RSA algorithm.
+*/
+enum GSCRYPTO_PKC_ALGO {
+    E_RSA
+};
+
+/*! 
+	\brief Pseudo-Random Number Generator algorithms enumeration
+
+    This structure contains the valid PRNG algorithms that can be used with this sdk.
+	E_MGF1 represent the Mask Generation Function algorithm.
+*/
+enum GSCRYPTO_PRNG_ALGO {
+    E_MGF1
+};
+
+#define	MGF1_HASHMULTIPLES		500    //!< Multiples of <HASH>_DIGESTSIZE for byte string size
+
+
+///// BEGIN RSA CHANGES /////
+
+
+/* RSA key lengths.
+ */
+#define MIN_RSA_MODULUS_BITS 508	//!< Minimum length in bits of the modulus used in the RSA algorithm
+#define MAX_RSA_MODULUS_BITS 1024	//!< Maximum length in bits of the modulus used in the RSA algorithm
+#define MAX_RSA_MODULUS_LEN ((MAX_RSA_MODULUS_BITS + 7) / 8) //!< Maximum length in bytes of the modulus used in the RSA algorithm
+#define MAX_RSA_PRIME_BITS ((MAX_RSA_MODULUS_BITS + 1) / 2) //!< Maximum length in bits of a prime
+#define MAX_RSA_PRIME_LEN ((MAX_RSA_PRIME_BITS + 7) / 8) 
+
+/* Maximum lengths of encoded and encrypted content, as a function of
+   content length len. Also, inverse functions.
+ */
+#define ENCODED_CONTENT_LEN(len) (4*(len)/3 + 3)
+#define ENCRYPTED_CONTENT_LEN(len) ENCODED_CONTENT_LEN ((len)+8)
+#define DECODED_CONTENT_LEN(len) (3*(len)/4 + 1)
+#define DECRYPTED_CONTENT_LEN(len) DECODED_CONTENT_LEN ((len)-1)
+
+
+
+/* Random structure.
+ */
+typedef struct {
+  GSuint  bytesNeeded;
+  GSubyte state[16];
+  GSuint  outputAvailable;
+  GSubyte output[16];
+} RANDOM_STRUCT;
+
+/* RSA public and private key.
+ */
+typedef struct {
+  GSuint bits;                           /* length in bits of modulus */
+  GSubyte modulus[MAX_RSA_MODULUS_LEN];                    /* modulus */
+  GSubyte exponent[MAX_RSA_MODULUS_LEN];           /* public exponent */
+} RSA_PUBLIC_KEY;
+
+typedef struct {
+  GSuint bits;                           /* length in bits of modulus */
+  GSubyte modulus[MAX_RSA_MODULUS_LEN];                    /* modulus */
+  GSubyte publicExponent[MAX_RSA_MODULUS_LEN];     /* public exponent */
+  GSubyte exponent[MAX_RSA_MODULUS_LEN];          /* private exponent */
+  GSubyte prime[2][MAX_RSA_PRIME_LEN];               /* prime factors */
+  GSubyte primeExponent[2][MAX_RSA_PRIME_LEN];   /* exponents for CRT */
+  GSubyte coefficient[MAX_RSA_PRIME_LEN];          /* CRT coefficient */
+} RSA_PRIVATE_KEY;
+
+/* RSA prototype key.
+ */
+typedef struct {
+  GSuint bits;                           /* length in bits of modulus */
+  GSint useFormat4;                        /* public exponent (1 = F4, 0 = 3) */
+} RSA_PROTO_KEY;
+
+///// END RSA CHANGES /////
+
+#endif // __GSCRYPTODEFINES_H__