From 4978b1e966af48a18cac86aa224b3c266a9531d7 Mon Sep 17 00:00:00 2001
From: Özgür Kesim <oec-taler@kesim.org>
Date: Wed, 2 Mar 2022 07:58:55 +0100
Subject: -amend missing parts to commit b20ddf0c8

    - functions TALER_age_commitment_attest and
      TALER_age_commitment_verify
      implemented.
    - age restriction implementation moved into util/age_restriction.c
---
 src/include/taler_crypto_lib.h |  2 +-
 src/include/taler_signatures.h | 27 +++++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)

(limited to 'src/include')

diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h
index 38f91a8e..a8dc4b0d 100644
--- a/src/include/taler_crypto_lib.h
+++ b/src/include/taler_crypto_lib.h
@@ -869,7 +869,7 @@ struct TALER_AgeCommitmentHash
  */
 struct TALER_AgeAttestation
 {
-  struct GNUNET_CRYPTO_EddsaSignature attest;
+  struct GNUNET_CRYPTO_EddsaSignature eddsa_signature;
 };
 
 extern const struct TALER_AgeCommitmentHash TALER_ZeroAgeCommitmentHash;
diff --git a/src/include/taler_signatures.h b/src/include/taler_signatures.h
index 72150ca6..3758792a 100644
--- a/src/include/taler_signatures.h
+++ b/src/include/taler_signatures.h
@@ -271,6 +271,12 @@
  */
 #define TALER_SIGNATURE_WALLET_COIN_RECOUP_REFRESH 1206
 
+/**
+ * Signature using a age restriction key for attestation of a particular
+ * age/age-group.
+ */
+#define TALER_SIGNATURE_WALLET_AGE_ATTESTATION 1207
+
 
 /******************************/
 /* Security module signatures */
@@ -1704,6 +1710,27 @@ struct TALER_MerchantPaySessionSigPS
 
 };
 
+/**
+ * Used for attestation of a particular age
+ */
+struct TALER_AgeAttestationPS
+{
+  /**
+   * Purpose must be #TALER_SIGNATURE_WALLET_AGE_ATTESTATION.
+   */
+  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+
+  /**
+   * Age mask that defines the underlying age groups
+   */
+  struct TALER_AgeMask mask;
+
+  /**
+   * The particular age that this attestation is for
+   */
+  uint8_t age;
+};
+
 
 GNUNET_NETWORK_STRUCT_END
 
-- 
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