sha: fix minor issues/typos

Signed-off-by: Valerio Setti <vsetti@baylibre.com>
diff --git a/programs/fuzz/fuzz_dtlsserver.c b/programs/fuzz/fuzz_dtlsserver.c
index 1ef4190..17caab2 100644
--- a/programs/fuzz/fuzz_dtlsserver.c
+++ b/programs/fuzz/fuzz_dtlsserver.c
@@ -18,7 +18,7 @@
     defined(MBEDTLS_CTR_DRBG_C) && \
     defined(MBEDTLS_TIMING_C) && \
         ( defined(MBEDTLS_HAS_ALG_SHA_384_VIA_MD_OR_PSA_BASED_ON_USE_PSA) || \
-          defined(MBEDTLS_HAS_ALG_SHA_224_VIA_MD_OR_PSA_BASED_ON_USE_PSA) )
+          defined(MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA_BASED_ON_USE_PSA) )
 const char *pers = "fuzz_dtlsserver";
 const unsigned char client_ip[4] = {0x7F, 0, 0, 1};
 static int initialized = 0;
@@ -36,7 +36,7 @@
     defined(MBEDTLS_CTR_DRBG_C) && \
     defined(MBEDTLS_TIMING_C) && \
     ( defined(MBEDTLS_HAS_ALG_SHA_384_VIA_MD_OR_PSA_BASED_ON_USE_PSA) || \
-      defined(MBEDTLS_HAS_ALG_SHA_224_VIA_MD_OR_PSA_BASED_ON_USE_PSA) )
+      defined(MBEDTLS_HAS_ALG_SHA_256_VIA_MD_OR_PSA_BASED_ON_USE_PSA) )
     int ret;
     size_t len;
     mbedtls_ssl_context ssl;