Updates to PSA crypto library based on review comments

Moved new check_crypto_config.h file from include/psa to library
directory and the file is now included from *.c instead of the
crypto_config.h file. Fixed guards in PSA crypto library based
on review comments for new PSA crypto config features.

Signed-off-by: John Durkop <john.durkop@fermatsoftware.com>
diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index a647106..5cf1aa7 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -40,13 +40,6 @@
 
 #if defined(MBEDTLS_PSA_CRYPTO_CONFIG)
 
-#if defined(PSA_WANT_ALG_ECDSA)
-#if !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA)
-#define MBEDTLS_PSA_BUILTIN_ALG_ECDSA                   1
-#define MBEDTLS_ECDSA_C
-#endif /* !MBEDTLS_PSA_ACCEL_ALG_ECDSA */
-#endif /* PSA_WANT_ALG_ECDSA */
-
 #if defined(PSA_WANT_ALG_DETERMINISTIC_ECDSA)
 #if !defined(MBEDTLS_PSA_ACCEL_ALG_DETERMINISTIC_ECDSA)
 #define MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA     1
@@ -66,38 +59,26 @@
 #endif /* !MBEDTLS_PSA_ACCEL_ALG_ECDH */
 #endif /* PSA_WANT_ALG_ECDH */
 
-#if defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY)
-#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_PUBLIC_KEY)
-#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_PUBLIC_KEY              1
-#define MBEDTLS_ECP_C
-#define MBEDTLS_BIGNUM_C
-#endif /* !MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_PUBLIC_KEY */
-#endif /* PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY */
-
-#if defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR)
-#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR)
-#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR                1
-#define MBEDTLS_ECP_C
-#define MBEDTLS_BIGNUM_C
-#endif /* !MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR */
-#endif /* PSA_WANT_KEY_TYPE_ECC_KEY_PAIR */
-
-#if defined(PSA_WANT_ALG_HMAC)
-#if !defined(MBEDTLS_PSA_ACCEL_ALG_HMAC)
-#define MBEDTLS_PSA_BUILTIN_ALG_HMAC                    1
-#define MBEDTLS_MD_C
-#endif /* !MBEDTLS_PSA_ACCEL_ALG_HMAC */
-#endif /* PSA_WANT_ALG_HMAC */
+#if defined(PSA_WANT_ALG_ECDSA)
+#if !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA)
+#define MBEDTLS_PSA_BUILTIN_ALG_ECDSA                   1
+#define MBEDTLS_ECDSA_C
+#endif /* !MBEDTLS_PSA_ACCEL_ALG_ECDSA */
+#endif /* PSA_WANT_ALG_ECDSA */
 
 #if defined(PSA_WANT_ALG_HKDF)
 #if !defined(MBEDTLS_PSA_ACCEL_ALG_HKDF)
 #define MBEDTLS_PSA_BUILTIN_ALG_HMAC                    1
 #define MBEDTLS_PSA_BUILTIN_ALG_HKDF                    1
-#define MBEDTLS_HKDF_C
-#define MBEDTLS_MD_C
 #endif /* !MBEDTLS_PSA_ACCEL_ALG_HKDF */
 #endif /* PSA_WANT_ALG_HKDF */
 
+#if defined(PSA_WANT_ALG_HMAC)
+#if !defined(MBEDTLS_PSA_ACCEL_ALG_HMAC)
+#define MBEDTLS_PSA_BUILTIN_ALG_HMAC                    1
+#endif /* !MBEDTLS_PSA_ACCEL_ALG_HMAC */
+#endif /* PSA_WANT_ALG_HMAC */
+
 #if defined(PSA_WANT_ALG_RSA_OAEP)
 #if !defined(MBEDTLS_PSA_ACCEL_ALG_RSA_OAEP)
 #define MBEDTLS_PSA_BUILTIN_ALG_RSA_OAEP                1
@@ -105,19 +86,10 @@
 #define MBEDTLS_BIGNUM_C
 #define MBEDTLS_OID_C
 #define MBEDTLS_PKCS1_V21
+#define MBEDTLS_MD_C
 #endif /* !MBEDTLS_PSA_ACCEL_ALG_RSA_OAEP */
 #endif /* PSA_WANT_ALG_RSA_OAEP */
 
-#if defined(PSA_WANT_ALG_RSA_PSS)
-#if !defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PSS)
-#define MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS                 1
-#define MBEDTLS_RSA_C
-#define MBEDTLS_BIGNUM_C
-#define MBEDTLS_OID_C
-#define MBEDTLS_PKCS1_V21
-#endif /* !MBEDTLS_PSA_ACCEL_ALG_RSA_PSS */
-#endif /* PSA_WANT_ALG_RSA_PSS */
-
 #if defined(PSA_WANT_ALG_RSA_PKCS1V15_CRYPT)
 #if !defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PKCS1V15_CRYPT)
 #define MBEDTLS_PSA_BUILTIN_ALG_RSA_PKCS1V15_CRYPT      1
@@ -135,9 +107,49 @@
 #define MBEDTLS_BIGNUM_C
 #define MBEDTLS_OID_C
 #define MBEDTLS_PKCS1_V15
+#define MBEDTLS_MD_C
 #endif /* !MBEDTLS_PSA_ACCEL_ALG_RSA_PKCS1V15_SIGN */
 #endif /* PSA_WANT_ALG_RSA_PKCS1V15_SIGN */
 
+#if defined(PSA_WANT_ALG_RSA_PSS)
+#if !defined(MBEDTLS_PSA_ACCEL_ALG_RSA_PSS)
+#define MBEDTLS_PSA_BUILTIN_ALG_RSA_PSS                 1
+#define MBEDTLS_RSA_C
+#define MBEDTLS_BIGNUM_C
+#define MBEDTLS_OID_C
+#define MBEDTLS_PKCS1_V21
+#define MBEDTLS_MD_C
+#endif /* !MBEDTLS_PSA_ACCEL_ALG_RSA_PSS */
+#endif /* PSA_WANT_ALG_RSA_PSS */
+
+#if defined(PSA_WANT_ALG_TLS12_PRF)
+#if !defined(MBEDTLS_PSA_ACCEL_ALG_TLS12_PRF)
+#define MBEDTLS_PSA_BUILTIN_ALG_TLS12_PRF               1
+#endif /* !MBEDTLS_PSA_ACCEL_ALG_TLS12_PRF */
+#endif /* PSA_WANT_ALG_TLS12_PRF */
+
+#if defined(PSA_WANT_ALG_TLS12_PSK_TO_MS)
+#if !defined(MBEDTLS_PSA_ACCEL_ALG_TLS12_PSK_TO_MS)
+#define MBEDTLS_PSA_BUILTIN_ALG_TLS12_PSK_TO_MS         1
+#endif /* !MBEDTLS_PSA_ACCEL_ALG_TLS12_PSK_TO_MS */
+#endif /* PSA_WANT_ALG_TLS12_PSK_TO_MS */
+
+#if defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR)
+#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR)
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR       1
+#define MBEDTLS_ECP_C
+#define MBEDTLS_BIGNUM_C
+#endif /* !MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR */
+#endif /* PSA_WANT_KEY_TYPE_ECC_KEY_PAIR */
+
+#if defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY)
+#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_PUBLIC_KEY)
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_PUBLIC_KEY     1
+#define MBEDTLS_ECP_C
+#define MBEDTLS_BIGNUM_C
+#endif /* !MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_PUBLIC_KEY */
+#endif /* PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY */
+
 #if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR)
 #if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR)
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR       1
@@ -145,6 +157,9 @@
 #define MBEDTLS_BIGNUM_C
 #define MBEDTLS_OID_C
 #define MBEDTLS_GENPRIME
+#define MBEDTLS_PK_PARSE_C
+#define MBEDTLS_PK_WRITE_C
+#define MBEDTLS_PK_C
 #endif /* !MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR */
 #endif /* PSA_WANT_KEY_TYPE_RSA_KEY_PAIR */
 
@@ -154,7 +169,9 @@
 #define MBEDTLS_RSA_C
 #define MBEDTLS_BIGNUM_C
 #define MBEDTLS_OID_C
-#define MBEDTLS_GENPRIME
+#define MBEDTLS_PK_PARSE_C
+#define MBEDTLS_PK_WRITE_C
+#define MBEDTLS_PK_C
 #endif /* !MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_PUBLIC_KEY */
 #endif /* PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY */
 
@@ -164,6 +181,10 @@
  * Ensure PSA_WANT_* defines are setup properly if MBEDTLS_PSA_CRYPTO_CONFIG
  * is not defined
  */
+#if defined(MBEDTLS_ECDH_C)
+#define MBEDTLS_PSA_BUILTIN_ALG_ECDH                    1
+#endif /* MBEDTLS_ECDH_C */
+
 #if defined(MBEDTLS_ECDSA_C)
 #define MBEDTLS_PSA_BUILTIN_ALG_ECDSA                   1
 
@@ -174,24 +195,22 @@
 
 #endif /* MBEDTLS_ECDSA_C */
 
-#if defined(MBEDTLS_ECDH_C)
-#define MBEDTLS_PSA_BUILTIN_ALG_ECDH                    1
-#endif /* MBEDTLS_ECDH_C */
-
 #if defined(MBEDTLS_ECP_C)
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR       1
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_PUBLIC_KEY     1
 #endif /* MBEDTLS_ECP_C */
 
-#if defined(MBEDTLS_MD_C)
-#define MBEDTLS_PSA_BUILTIN_ALG_HMAC                    1
-#endif /* MBEDTLS_MD_C */
-
 #if defined(MBEDTLS_HKDF_C)
 #define MBEDTLS_PSA_BUILTIN_ALG_HMAC                    1
 #define MBEDTLS_PSA_BUILTIN_ALG_HKDF                    1
 #endif /* MBEDTLS_HKDF_C */
 
+#if defined(MBEDTLS_MD_C)
+#define MBEDTLS_PSA_BUILTIN_ALG_HMAC                    1
+#define MBEDTLS_PSA_BUILTIN_ALG_TLS12_PRF               1
+#define MBEDTLS_PSA_BUILTIN_ALG_TLS12_PSK_TO_MS         1
+#endif /* MBEDTLS_MD_C */
+
 #if defined(MBEDTLS_RSA_C)
 #if defined(MBEDTLS_PKCS1_V15)
 #define MBEDTLS_PSA_BUILTIN_ALG_RSA_PKCS1V15_CRYPT      1
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index c35f65e..03c5877 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -42,7 +42,12 @@
 #include "mbedtls/dhm.h"
 #endif
 
-#if defined(MBEDTLS_ECDH_C) || defined(PSA_WANT_ALG_ECDH)
+/* Adding guard for MBEDTLS_ECDSA_C to ensure no compile errors due
+ * to guards also being in ssl_srv.c and ssl_cli.c. There is a gap
+ * in functionality that access to ecdh_ctx structure is needed for
+ * MBEDTLS_ECDSA_C which does not seem correct.
+ */
+#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C)
 #include "mbedtls/ecdh.h"
 #endif
 
diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index 406d224..f41d194 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -437,7 +437,12 @@
 #if defined(MBEDTLS_DHM_C)
     mbedtls_dhm_context dhm_ctx;                /*!<  DHM key exchange        */
 #endif
-#if defined(MBEDTLS_ECDH_C) || defined(PSA_WANT_ALG_ECDH)
+/* Adding guard for MBEDTLS_ECDSA_C to ensure no compile errors due
+ * to guards also being in ssl_srv.c and ssl_cli.c. There is a gap
+ * in functionality that access to ecdh_ctx structure is needed for
+ * MBEDTLS_ECDSA_C which does not seem correct.
+ */
+#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C)
     mbedtls_ecdh_context ecdh_ctx;              /*!<  ECDH key exchange       */
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
@@ -447,7 +452,7 @@
     unsigned char ecdh_psa_peerkey[MBEDTLS_PSA_MAX_EC_PUBKEY_LENGTH];
     size_t ecdh_psa_peerkey_len;
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
-#endif /* MBEDTLS_ECDH_C || PSA_WANT_ALG_ECDH */
+#endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C */
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
     mbedtls_ecjpake_context ecjpake_ctx;        /*!< EC J-PAKE key exchange */