X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Finclude%2Fgnunet_crypto_lib.h;h=8a591fa09ea3df8a90fb293b407ac29f28515ee5;hb=ec50a665dc884f7997419d0351ae8ade9c1aeabe;hp=b6875c5cf5141648cf928bae1992106dbb7ba38f;hpb=5d52f126f510a223d371459f17d5aaa46e9dfe49;p=oweals%2Fgnunet.git diff --git a/src/include/gnunet_crypto_lib.h b/src/include/gnunet_crypto_lib.h index b6875c5cf..8a591fa09 100644 --- a/src/include/gnunet_crypto_lib.h +++ b/src/include/gnunet_crypto_lib.h @@ -2,20 +2,18 @@ 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. - - 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. + Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see . */ /** @@ -51,20 +49,6 @@ extern "C" #endif #endif -/** - * @brief A 512-bit hashcode - */ -struct GNUNET_HashCode; - -/** - * The identity of the host (wraps the signing key of the peer). - */ -struct GNUNET_PeerIdentity; - -#include "gnunet_common.h" -#include - - /** * @brief A 512-bit hashcode. These are the default length for GNUnet, using SHA-512. */ @@ -85,6 +69,15 @@ struct GNUNET_ShortHashCode }; +/** + * The identity of the host (wraps the signing key of the peer). + */ +struct GNUNET_PeerIdentity; + +#include "gnunet_common.h" +#include + + /** * Maximum length of an ECC signature. * Note: round up to multiple of 8 minus 2 for alignment. @@ -213,14 +206,15 @@ struct GNUNET_CRYPTO_EcdsaSignature /** - * 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]; @@ -368,7 +362,7 @@ struct GNUNET_CRYPTO_PaillierPublicKey /** - * Paillier public key. + * Paillier private key. */ struct GNUNET_CRYPTO_PaillierPrivateKey { @@ -731,6 +725,23 @@ void 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) @@ -1114,6 +1125,16 @@ char * 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. * @@ -1243,6 +1264,17 @@ struct GNUNET_CRYPTO_EddsaPrivateKey * 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. @@ -2010,13 +2042,14 @@ GNUNET_CRYPTO_rsa_public_key_cmp (struct GNUNET_CRYPTO_RsaPublicKey *p1, * @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); /** @@ -2029,7 +2062,8 @@ GNUNET_CRYPTO_rsa_blind (const struct GNUNET_HashCode *hash, */ 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); /** @@ -2099,7 +2133,7 @@ GNUNET_CRYPTO_rsa_signature_dup (const struct GNUNET_CRYPTO_RsaSignature *sig); * @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);