#endif
/**
- * @brief A 512-bit hashcode
+ * @brief A 512-bit hashcode. These are the default length for GNUnet, using SHA-512.
*/
-struct GNUNET_HashCode;
+struct GNUNET_HashCode
+{
+ uint32_t bits[512 / 8 / sizeof (uint32_t)]; /* = 16 */
+};
+
+
+
+/**
+ * @brief A 256-bit hashcode. Used under special conditions, like when space
+ * is critical and security is not impacted by it.
+ */
+struct GNUNET_ShortHashCode
+{
+ uint32_t bits[256 / 8 / sizeof (uint32_t)]; /* = 8 */
+};
+
/**
* The identity of the host (wraps the signing key of the peer).
#include <gcrypt.h>
-/**
- * @brief A 512-bit hashcode
- */
-struct GNUNET_HashCode
-{
- uint32_t bits[512 / 8 / sizeof (uint32_t)]; /* = 16 */
-};
-
-
/**
* Maximum length of an ECC signature.
* Note: round up to multiple of 8 minus 2 for alignment.
GNUNET_CRYPTO_ecdsa_public_key_to_string (const struct GNUNET_CRYPTO_EcdsaPublicKey *pub);
+/**
+ * Convert a private key to a string.
+ *
+ * @param priv key to convert
+ * @return string representing @a pub
+ */
+char *
+GNUNET_CRYPTO_eddsa_private_key_to_string (const struct GNUNET_CRYPTO_EddsaPrivateKey *priv);
+
+
/**
* Convert a public key to a string.
*
GNUNET_CRYPTO_eddsa_key_create (void);
+/**
+ * @ingroup crypto
+ * Create a new private key. Clear with #GNUNET_CRYPTO_ecdhe_key_clear().
+ *
+ * @param[out] pk set to fresh private key;
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
+ */
+int
+GNUNET_CRYPTO_ecdhe_key_create2 (struct GNUNET_CRYPTO_EcdhePrivateKey *pk);
+
+
/**
* @ingroup crypto
* Create a new private key. Caller must free return value.
* @param pkey the public key of the signer
* @param[out] buf set to a buffer with the blinded message to be signed
* @param[out] buf_size number of bytes stored in @a buf
- * @return GNUNET_YES if successful, GNUNET_NO if RSA key is malicious
+ * @return #GNUNET_YES if successful, #GNUNET_NO if RSA key is malicious
*/
int
GNUNET_CRYPTO_rsa_blind (const struct GNUNET_HashCode *hash,
const struct GNUNET_CRYPTO_RsaBlindingKeySecret *bks,
struct GNUNET_CRYPTO_RsaPublicKey *pkey,
- char **buf, size_t *buf_size);
+ char **buf,
+ size_t *buf_size);
/**
*/
struct GNUNET_CRYPTO_RsaSignature *
GNUNET_CRYPTO_rsa_sign_blinded (const struct GNUNET_CRYPTO_RsaPrivateKey *key,
- const void *msg, size_t msg_len);
+ const void *msg,
+ size_t msg_len);
/**
* @return unblinded signature on success, NULL if RSA key is bad or malicious.
*/
struct GNUNET_CRYPTO_RsaSignature *
-GNUNET_CRYPTO_rsa_unblind (struct GNUNET_CRYPTO_RsaSignature *sig,
+GNUNET_CRYPTO_rsa_unblind (const struct GNUNET_CRYPTO_RsaSignature *sig,
const struct GNUNET_CRYPTO_RsaBlindingKeySecret *bks,
struct GNUNET_CRYPTO_RsaPublicKey *pkey);