anchor.diff:      {deprecated, {crypto, hmac, 4}};
   
   obsolete_1(crypto, sha_mac_96, 2) ->
  -    {deprecated, {crypto, hmac_n, 3}};
  +    {deprecated, {crypto, hmac, 4}};
   obsolete_1(crypto, md5_mac_96, 2) ->
  -    {deprecated, {crypto, hmac_n, 3}};
  +    {deprecated, {crypto, hmac, 4}};
   
   obsolete_1(crypto, rsa_sign, 2) ->
       {deprecated, {crypto, sign, 4}};
  
positive.code: obsolete_1(crypto, dh_compute_key, 3) ->
      {deprecated, {crypto, compute_key, 4}};
  obsolete_1(crypto, dh_generate_key, 1) ->
      {deprecated, {crypto, generate_key, 3}};
  obsolete_1(crypto, dh_generate_key, 2) ->
      {deprecated, {crypto, generate_key, 3}};
  
  
negative.code:     {deprecated, {crypto, hash_update, 2}};
  
  obsolete_1(crypto, md4_final, 1) ->
      {deprecated, {crypto, hash_final, 1}};
  obsolete_1(crypto, md5_final, 1) ->
      {deprecated, {crypto, hash_final, 1}};
  obsolete_1(crypto, sha_final, 1) ->
      {deprecated, {crypto, hash_final, 1}};
  
  obsolete_1(crypto, md5_mac, 2) ->
      {deprecated, {crypto, hmac, 3}};
  