Remove SHA256_HMAC_B from scram-common.h

michaelpq · pull[bot] · commit 09e233d7e108 · 2024-05-14T00:43:58.000Z
This referred to the size of the buffers for k_ipad and k_opad in HMAC computations. This is unused since e6bdfd9, where SCRAM has switched to the cryptohash routines for its HMAC calculations rather than its own maths. Reviewed-by: Jacob Champion Discussion: https://postgr.es/m/Y5gGMjXhyp0oK0mH@paquier.xyz
diff --git a/src/include/common/scram-common.h b/src/include/common/scram-common.h
@@ -23,9 +23,6 @@
 /* Length of SCRAM keys (client and server) */
 #define SCRAM_KEY_LEN				PG_SHA256_DIGEST_LENGTH
 
-/* length of HMAC */
-#define SHA256_HMAC_B				PG_SHA256_BLOCK_LENGTH
-
 /*
  * Size of random nonce generated in the authentication exchange.  This
  * is in "raw" number of bytes, the actual nonces sent over the wire are
