diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 4db2010..1236ad6 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -1697,7 +1697,7 @@
 # - the expected parameters are selected
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 requires_ciphersuite_enabled TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256
-requires_config_enabled MBEDTLS_SHA512_C # "signature_algorithm ext: 6"
+requires_hash_alg SHA_512 # "signature_algorithm ext: 6"
 requires_config_enabled MBEDTLS_ECP_DP_CURVE25519_ENABLED
 run_test    "Default" \
             "$P_SRV debug_level=3" \
@@ -1745,7 +1745,7 @@
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "TLS: password protected client key" \
             "$P_SRV auth_mode=required" \
             "$P_CLI crt_file=data_files/server5.crt key_file=data_files/server5.key.enc key_pwd=PolarSSLTest" \
@@ -1754,7 +1754,7 @@
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "TLS: password protected server key" \
             "$P_SRV crt_file=data_files/server5.crt key_file=data_files/server5.key.enc key_pwd=PolarSSLTest" \
             "$P_CLI" \
@@ -1764,7 +1764,7 @@
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
 requires_config_enabled MBEDTLS_RSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "TLS: password protected server key, two certificates" \
             "$P_SRV \
               key_file=data_files/server5.key.enc key_pwd=PolarSSLTest crt_file=data_files/server5.crt \
@@ -1786,7 +1786,7 @@
 requires_config_enabled MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "CA callback on server" \
             "$P_SRV auth_mode=required" \
             "$P_CLI ca_callback=1 debug_level=3 crt_file=data_files/server5.crt \
@@ -1802,7 +1802,7 @@
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for client authentication: ECDHE-ECDSA" \
             "$P_SRV auth_mode=required crt_file=data_files/server5.crt \
              key_file=data_files/server5.key" \
@@ -1822,7 +1822,7 @@
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
 requires_config_enabled MBEDTLS_RSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for client authentication: ECDHE-RSA" \
             "$P_SRV auth_mode=required crt_file=data_files/server2-sha256.crt \
              key_file=data_files/server2.key" \
@@ -1840,7 +1840,7 @@
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_RSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for client authentication: DHE-RSA" \
             "$P_SRV auth_mode=required crt_file=data_files/server2-sha256.crt \
              key_file=data_files/server2.key" \
@@ -1860,7 +1860,7 @@
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for server authentication: ECDHE-ECDSA" \
             "$P_SRV key_opaque=1 crt_file=data_files/server5.crt \
              key_file=data_files/server5.key  key_opaque_algs=ecdsa-sign,none" \
@@ -1877,7 +1877,7 @@
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for server authentication: ECDH-" \
             "$P_SRV force_version=tls12 auth_mode=required key_opaque=1\
              crt_file=data_files/server5.ku-ka.crt\
@@ -1895,7 +1895,7 @@
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for server authentication: invalid alg: decrypt with ECC key" \
             "$P_SRV key_opaque=1 crt_file=data_files/server5.crt \
              key_file=data_files/server5.key key_opaque_algs=rsa-decrypt,none \
@@ -1912,7 +1912,7 @@
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
 requires_config_enabled MBEDTLS_RSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for server authentication: invalid alg: ecdh with RSA key" \
             "$P_SRV key_opaque=1 crt_file=data_files/server2-sha256.crt \
              key_file=data_files/server2.key key_opaque_algs=ecdh,none \
@@ -1928,7 +1928,7 @@
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 requires_config_enabled MBEDTLS_CCM_C
 run_test    "Opaque key for server authentication: invalid alg: ECDHE-ECDSA with ecdh" \
             "$P_SRV key_opaque=1 crt_file=data_files/server5.crt \
@@ -1945,7 +1945,7 @@
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 requires_config_disabled MBEDTLS_X509_REMOVE_INFO
 run_test    "Opaque keys for server authentication: EC keys with different algs, force ECDHE-ECDSA" \
             "$P_SRV key_opaque=1 crt_file=data_files/server7.crt \
@@ -1966,7 +1966,7 @@
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA384_C
+requires_hash_alg SHA_384
 requires_config_disabled MBEDTLS_X509_REMOVE_INFO
 run_test    "Opaque keys for server authentication: EC keys with different algs, force ECDH-ECDSA" \
             "$P_SRV key_opaque=1 crt_file=data_files/server7.crt \
@@ -1987,7 +1987,7 @@
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA384_C
+requires_hash_alg SHA_384
 requires_config_enabled MBEDTLS_CCM_C
 requires_config_disabled MBEDTLS_X509_REMOVE_INFO
 run_test    "Opaque keys for server authentication: EC + RSA, force ECDHE-ECDSA" \
@@ -2011,7 +2011,7 @@
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
 requires_config_enabled MBEDTLS_RSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for server authentication: ECDHE-RSA" \
             "$P_SRV key_opaque=1 crt_file=data_files/server2-sha256.crt \
              key_file=data_files/server2.key key_opaque_algs=rsa-sign-pkcs1,none" \
@@ -2029,7 +2029,7 @@
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
 requires_config_enabled MBEDTLS_RSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for server authentication: DHE-RSA" \
             "$P_SRV key_opaque=1 crt_file=data_files/server2-sha256.crt \
              key_file=data_files/server2.key key_opaque_algs=rsa-sign-pkcs1,none" \
@@ -2046,7 +2046,7 @@
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_RSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for server authentication: RSA-PSK" \
             "$P_SRV debug_level=1 key_opaque=1 key_opaque_algs=rsa-decrypt,none \
              psk=abc123 psk_identity=foo" \
@@ -2064,7 +2064,7 @@
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_RSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for server authentication: RSA-" \
             "$P_SRV debug_level=3 key_opaque=1 key_opaque_algs=rsa-decrypt,none " \
             "$P_CLI force_ciphersuite=TLS-RSA-WITH-AES-256-CBC-SHA256" \
@@ -2081,7 +2081,7 @@
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
 requires_config_enabled MBEDTLS_RSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for server authentication: DHE-RSA, PSS instead of PKCS1" \
             "$P_SRV auth_mode=required key_opaque=1 crt_file=data_files/server2-sha256.crt \
              key_file=data_files/server2.key key_opaque_algs=rsa-sign-pss,none debug_level=1" \
@@ -2098,7 +2098,7 @@
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
 requires_config_enabled MBEDTLS_RSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 requires_config_disabled MBEDTLS_X509_REMOVE_INFO
 run_test    "Opaque keys for server authentication: RSA keys with different algs" \
             "$P_SRV auth_mode=required key_opaque=1 crt_file=data_files/server2-sha256.crt \
@@ -2120,7 +2120,7 @@
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
 requires_config_enabled MBEDTLS_RSA_C
-requires_config_enabled MBEDTLS_SHA384_C
+requires_hash_alg SHA_384
 requires_config_enabled MBEDTLS_GCM_C
 requires_config_disabled MBEDTLS_X509_REMOVE_INFO
 run_test    "Opaque keys for server authentication: EC + RSA, force DHE-RSA" \
@@ -2143,7 +2143,7 @@
 requires_config_enabled MBEDTLS_USE_PSA_CRYPTO
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for client/server authentication: ECDHE-ECDSA" \
             "$P_SRV auth_mode=required key_opaque=1 crt_file=data_files/server5.crt \
              key_file=data_files/server5.key key_opaque_algs=ecdsa-sign,none" \
@@ -2165,7 +2165,7 @@
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
 requires_config_enabled MBEDTLS_RSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for client/server authentication: ECDHE-RSA" \
             "$P_SRV auth_mode=required key_opaque=1 crt_file=data_files/server2-sha256.crt \
              key_file=data_files/server2.key  key_opaque_algs=rsa-sign-pkcs1,none" \
@@ -2186,7 +2186,7 @@
 requires_config_enabled MBEDTLS_X509_CRT_PARSE_C
 requires_config_enabled MBEDTLS_ECDSA_C
 requires_config_enabled MBEDTLS_RSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 run_test    "Opaque key for client/server authentication: DHE-RSA" \
             "$P_SRV auth_mode=required key_opaque=1 crt_file=data_files/server2-sha256.crt \
              key_file=data_files/server2.key  key_opaque_algs=rsa-sign-pkcs1,none" \
@@ -8631,7 +8631,7 @@
 
 requires_config_enabled MBEDTLS_AES_C
 requires_config_enabled MBEDTLS_CIPHER_MODE_CBC
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 requires_config_enabled MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 run_test    "Force a non ECC ciphersuite in the client side" \
@@ -8645,7 +8645,7 @@
 
 requires_config_enabled MBEDTLS_AES_C
 requires_config_enabled MBEDTLS_CIPHER_MODE_CBC
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 requires_config_enabled MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 run_test    "Force a non ECC ciphersuite in the server side" \
@@ -8657,7 +8657,7 @@
 
 requires_config_enabled MBEDTLS_AES_C
 requires_config_enabled MBEDTLS_CIPHER_MODE_CBC
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 requires_config_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 run_test    "Force an ECC ciphersuite in the client side" \
@@ -8671,7 +8671,7 @@
 
 requires_config_enabled MBEDTLS_AES_C
 requires_config_enabled MBEDTLS_CIPHER_MODE_CBC
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 requires_config_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
 requires_config_enabled MBEDTLS_SSL_PROTO_TLS1_2
 run_test    "Force an ECC ciphersuite in the server side" \
@@ -9209,7 +9209,7 @@
 requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
 requires_config_enabled MBEDTLS_RSA_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 requires_config_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
 requires_config_enabled MBEDTLS_AES_C
 requires_config_enabled MBEDTLS_GCM_C
@@ -9446,7 +9446,7 @@
 requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
 requires_config_enabled MBEDTLS_RSA_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 requires_config_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
 requires_config_enabled MBEDTLS_SSL_RENEGOTIATION
 requires_config_enabled MBEDTLS_CHACHAPOLY_C
@@ -9479,7 +9479,7 @@
 requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
 requires_config_enabled MBEDTLS_RSA_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 requires_config_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
 requires_config_enabled MBEDTLS_SSL_RENEGOTIATION
 requires_config_enabled MBEDTLS_AES_C
@@ -9513,7 +9513,7 @@
 requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
 requires_config_enabled MBEDTLS_RSA_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 requires_config_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
 requires_config_enabled MBEDTLS_SSL_RENEGOTIATION
 requires_config_enabled MBEDTLS_AES_C
@@ -9547,7 +9547,7 @@
 requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
 requires_config_enabled MBEDTLS_RSA_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 requires_config_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
 requires_config_enabled MBEDTLS_SSL_RENEGOTIATION
 requires_config_enabled MBEDTLS_AES_C
@@ -9582,7 +9582,7 @@
 requires_config_enabled MBEDTLS_SSL_PROTO_DTLS
 requires_config_enabled MBEDTLS_RSA_C
 requires_config_enabled MBEDTLS_ECDSA_C
-requires_config_enabled MBEDTLS_SHA256_C
+requires_hash_alg SHA_256
 requires_config_enabled MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
 requires_config_enabled MBEDTLS_SSL_RENEGOTIATION
 requires_config_enabled MBEDTLS_AES_C