This file is part of GNUnet.
Copyright (C) 2001-2013 GNUnet e.V.
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ Affero General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
/**
- * Public ECC key (always for Curve25519) encoded in a format suitable
- * for network transmission and EdDSA signatures.
+ * Public ECC key (always for curve Ed25519) encoded in a format
+ * suitable for network transmission and EdDSA signatures.
*/
struct GNUNET_CRYPTO_EddsaPublicKey
{
/**
- * Q consists of an x- and a y-value, each mod p (256 bits), given
- * here in affine coordinates and Ed25519 standard compact format.
+ * Point Q consists of a y-value mod p (256 bits); the x-value is
+ * always positive. The point is stored in Ed25519 standard
+ * compact format.
*/
unsigned char q_y[256 / 8];
/**
- * Paillier public key.
+ * Paillier private key.
*/
struct GNUNET_CRYPTO_PaillierPrivateKey
{
unsigned char bits[GNUNET_CRYPTO_PAILLIER_BITS * 2 / 8];
};
-/**
- * @brief type for ABE master keys
- */
-struct GNUNET_CRYPTO_AbeMasterKey;
-
/* **************** Functions and Macros ************* */
GNUNET_CRYPTO_hash_context_abort (struct GNUNET_HashContext *hc);
+/**
+ * Calculate HMAC of a message (RFC 2104)
+ * TODO: Shouldn' this be the standard hmac function and
+ * the above be renamed?
+ *
+ * @param key secret key
+ * @param key_len secret key length
+ * @param plaintext input plaintext
+ * @param plaintext_len length of @a plaintext
+ * @param hmac where to store the hmac
+ */
+void
+GNUNET_CRYPTO_hmac_raw (const void *key, size_t key_len,
+ const void *plaintext, size_t plaintext_len,
+ struct GNUNET_HashCode *hmac);
+
+
/**
* @ingroup hash
* Calculate HMAC of a message (RFC 2104)
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.
*
* @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);
const struct GNUNET_CRYPTO_RsaPublicKey *public_key);
-/**
- * @ingroup crypto
- * Create a new CP-ABE master key. Caller must free return value.
- *
- * @return fresh private key; free using #GNUNET_free
- */
-struct GNUNET_CRYPTO_AbeMasterKey *
-GNUNET_CRYPTO_cpabe_create_master_key (void);
-
-/**
- * @ingroup crypto
- * Create a new CP-ABE key. Caller must free return value.
- *
- * @return fresh private key; free using #GNUNET_free
- */
-struct GNUNET_CRYPTO_AbeKey *
-GNUNET_CRYPTO_cpabe_create_key (struct GNUNET_CRYPTO_AbeMasterKey *msk,
- char **attrs);
-
-
-/**
- * @ingroup crypto
- * Encrypt a block using sessionkey.
- *
- * @param block the block to encrypt
- * @param size the size of the @a block
- * @param sessionkey the key used to encrypt
- * @param iv the initialization vector to use, use INITVALUE
- * for streams.
- * @return the size of the encrypted block, -1 for errors
- */
-ssize_t
-GNUNET_CRYPTO_cpabe_encrypt (const void *block,
- size_t size,
- char *policy,
- const struct GNUNET_CRYPTO_AbeMasterKey *key,
- void **result);
-
-/**
- * @ingroup crypto
- * Encrypt a block using sessionkey.
- *
- * @param block the block to encrypt
- * @param size the size of the @a block
- * @param sessionkey the key used to encrypt
- * @param iv the initialization vector to use, use INITVALUE
- * for streams.
- * @return the size of the encrypted block, -1 for errors
- */
-ssize_t
-GNUNET_CRYPTO_cpabe_decrypt (const void *block,
- size_t size,
- const struct GNUNET_CRYPTO_AbeKey *key,
- void **result);
-
-ssize_t
-GNUNET_CRYPTO_cpabe_serialize_key (const struct GNUNET_CRYPTO_AbeKey *key,
- void **result);
-
-struct GNUNET_CRYPTO_AbeKey*
-GNUNET_CRYPTO_cpabe_deserialize_key (void *data,
- size_t len);
-
-ssize_t
-GNUNET_CRYPTO_cpabe_serialize_master_key (const struct GNUNET_CRYPTO_AbeMasterKey *key,
- void **result);
-
-struct GNUNET_CRYPTO_AbeMasterKey*
-GNUNET_CRYPTO_cpabe_deserialize_master_key (void *data,
- size_t len);
-
-
#if 0 /* keep Emacsens' auto-indent happy */
{
#endif
projects / oweals / gnunet.git / blobdiff