did.h File Reference

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Macros
#define	GNUNET_RECLAIM_DID_METHOD_PREFIX   "did:gns:"

Functions
char *	DID_ego_to_did (struct GNUNET_IDENTITY_Ego *ego)
	Create a DID string from an ego in the format did:gns:<pubkey> More...
enum GNUNET_GenericReturnValue	DID_public_key_from_did (const char *did, struct GNUNET_CRYPTO_PublicKey *pk)
	Extract the public key from a DID in the format did:gns:<pubkey> More...

Macro Definition Documentation

GNUNET_RECLAIM_DID_METHOD_PREFIX

#define GNUNET_RECLAIM_DID_METHOD_PREFIX   "did:gns:"

Definition at line 24 of file did.h.

Function Documentation

DID_ego_to_did()

char * DID_ego_to_did

(

struct GNUNET_IDENTITY_Ego *

ego

)

Create a DID string from an ego in the format did:gns:<pubkey>

Parameters

ego	the Ego to use

Returns

the DID string

Definition at line 34 of file did_misc.c.

{
  struct GNUNET_CRYPTO_PublicKey pkey; // Get Public key
  char *pkey_str;
  char *did_str;
  size_t pkey_len;
 
  GNUNET_IDENTITY_ego_get_public_key (ego, &pkey);
 
  pkey_str = GNUNET_CRYPTO_public_key_to_string (&pkey);
  GNUNET_asprintf (&did_str, "%s%s",
                   GNUNET_RECLAIM_DID_METHOD_PREFIX,
                   pkey_str);
 
  GNUNET_free (pkey_str);
  return did_str;
}

References GNUNET_asprintf(), GNUNET_CRYPTO_public_key_to_string(), GNUNET_free, GNUNET_IDENTITY_ego_get_public_key(), GNUNET_RECLAIM_DID_METHOD_PREFIX, and pkey.

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DID_public_key_from_did()

enum GNUNET_GenericReturnValue DID_public_key_from_did	(	const char *	did,
		struct GNUNET_CRYPTO_PublicKey *	pk
	)

Extract the public key from a DID in the format did:gns:<pubkey>

Parameters

did	the DID parse
pk	where to store the public key

Returns

GNUNET_OK if successful

Definition at line 53 of file did_misc.c.

{
  /* FIXME-MSC: I suggest introducing a
   * #define MAX_DID_LENGTH <something>
   * here and use it for parsing
   */
  char pkey_str[59];
 
  if ((1 != (sscanf (did, GNUNET_RECLAIM_DID_METHOD_PREFIX"%58s", pkey_str))) ||
      (GNUNET_OK != GNUNET_CRYPTO_public_key_from_string (pkey_str, pk)))
  {
    return GNUNET_SYSERR;
  }
  return GNUNET_OK;
}

References did, GNUNET_CRYPTO_public_key_from_string(), GNUNET_OK, GNUNET_RECLAIM_DID_METHOD_PREFIX, GNUNET_SYSERR, and pk.

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