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author | Christian Grothoff <christian@grothoff.org> | 2021-10-22 22:30:33 +0200 |
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committer | Christian Grothoff <christian@grothoff.org> | 2021-10-27 09:23:11 +0200 |
commit | fc371ea18bd891791c02d998447d6db0f403da1f (patch) | |
tree | eebe92e9ce985c5a98b77c23e42ebacad599f20d /src/include | |
parent | 55632b1fbfd5098e3fad6256c0f485cf2a012096 (diff) | |
download | exchange-fc371ea18bd891791c02d998447d6db0f403da1f.tar.xz |
start to work on transformation
Diffstat (limited to 'src/include')
-rw-r--r-- | src/include/taler_crypto_lib.h | 46 |
1 files changed, 37 insertions, 9 deletions
diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h index ed6ed36f1..3fe51d79b 100644 --- a/src/include/taler_crypto_lib.h +++ b/src/include/taler_crypto_lib.h @@ -381,7 +381,7 @@ struct TALER_DenominationHash /** * Actual hash value. */ - struct GNUNET_HashCode data; + struct GNUNET_HashCode hash; }; @@ -394,7 +394,7 @@ struct TALER_PrivateContractHash /** * Actual hash value. */ - struct GNUNET_HashCode data; + struct GNUNET_HashCode hash; }; @@ -407,7 +407,7 @@ struct TALER_ExtensionContractHash /** * Actual hash value. */ - struct GNUNET_HashCode data; + struct GNUNET_HashCode hash; }; @@ -420,7 +420,7 @@ struct TALER_MerchantWireHash /** * Actual hash value. */ - struct GNUNET_HashCode data; + struct GNUNET_HashCode hash; }; @@ -433,7 +433,7 @@ struct TALER_PaytoHash /** * Actual hash value. */ - struct GNUNET_HashCode data; + struct GNUNET_HashCode hash; }; @@ -446,7 +446,20 @@ struct TALER_BlindedCoinHash /** * Actual hash value. */ - struct GNUNET_HashCode data; + struct GNUNET_HashCode hash; +}; + + +/** + * Hash used to represent the hash of the public + * key of a coin (without blinding). + */ +struct TALER_CoinPubHash +{ + /** + * Actual hash value. + */ + struct GNUNET_HashCode hash; }; @@ -634,6 +647,21 @@ TALER_denom_priv_to_pub (const struct TALER_DenominationPrivateKey *denom_priv, /** + * Verify signature made with a denomination public key + * over a coin. + * + * @param denom_pub public denomination key + * @param denom_sig signature made with the private key + * @param c_hash hash over the coin + * @return #GNUNET_OK if the signature is valid + */ +enum GNUNET_GenericReturnValue +TALER_denom_pub_verify (const struct TALER_DenominationPublicKey *denom_pub, + const struct TALER_DenominationSignature *denom_sig, + const struct TALER_CoinPubHash *c_hash); + + +/** * Check if a coin is valid; that is, whether the denomination key exists, * is not expired, and the signature is correct. * @@ -846,7 +874,7 @@ TALER_planchet_setup_random (struct TALER_PlanchetSecretsP *ps); enum GNUNET_GenericReturnValue TALER_planchet_prepare (const struct TALER_DenominationPublicKey *dk, const struct TALER_PlanchetSecretsP *ps, - struct GNUNET_HashCode *c_hash, + struct TALER_CoinPubHash *c_hash, struct TALER_PlanchetDetail *pd); @@ -865,7 +893,7 @@ enum GNUNET_GenericReturnValue TALER_planchet_to_coin (const struct TALER_DenominationPublicKey *dk, const struct GNUNET_CRYPTO_RsaSignature *blind_sig, const struct TALER_PlanchetSecretsP *ps, - const struct GNUNET_HashCode *c_hash, + const struct TALER_CoinPubHash *c_hash, struct TALER_FreshCoin *coin); @@ -1886,7 +1914,7 @@ TALER_merchant_wire_signature_make ( * @return #GNUNET_YES if successful, #GNUNET_NO if RSA key is malicious */ enum GNUNET_GenericReturnValue -TALER_rsa_blind (const struct GNUNET_HashCode *hash, +TALER_rsa_blind (const struct TALER_CoinPubHash *hash, const struct GNUNET_CRYPTO_RsaBlindingKeySecret *bks, struct GNUNET_CRYPTO_RsaPublicKey *pkey, void **buf, |