commit 9984427b4a036f552536e7be14ce69f370c3f17a
author David Brown <david.brown@linaro.org> Fri Jan 15 12:04:47 2021 -0700
committer David Brown <david.brown@linaro.org> Tue Feb 16 13:24:19 2021 -0700
tree 258a94631f10d1b6cd7d2afadd5ffb79835cacd6
parent a9f1d83d315153faef04bec0fb1f3468a668b05a

Add feature support for block modes to PSA crypto config

Add support for supported block modes using the PSA crypto config.
These are mapped to Mbed TLS config options as best as possible.

Signed-off-by: David Brown <david.brown@linaro.org>

include/mbedtls/config_psa.h

diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index e80a8e6..756991a 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -244,6 +244,37 @@
 #endif /*!MBEDTLS_PSA_ACCEL_KEY_TYPE_DES */
 #endif /* PSA_WANT_KEY_TYPE_DES */
 
+#if defined(PSA_WANT_ALG_STREAM_CIPHER)
+    /* Nothing to define */
+#endif /* PSA_WANT_ALG_STREAM_CIPHER */
+
+#if defined(PSA_WANT_ALG_CTR)
+#define MBEDTLS_CIPHER_MODE_CTR
+#endif /* PSA_WANT_ALG_CTR */
+
+#if defined(PSA_WANT_ALG_CFB)
+#define MBEDTLS_CIPHER_MODE_CFB
+#endif /* PSA_WANT_ALG_CFB */
+
+#if defined(PSA_WANT_ALG_OFB)
+#define MBEDTLS_CIPHER_MODE_OFB
+#endif /* PSA_WANT_ALG_OFB */
+
+#if defined(PSA_WANT_ALG_XTS)
+#define MBEDTLS_CIPHER_MODE_XTS
+#endif /* PSA_WANT_ALG_XTS */
+
+#if defined(PSA_WANT_ALG_ECB_NO_PADDING)
+    /* Nothing to define. */
+#endif
+
+#if defined(PSA_WANT_ALG_CBC_NO_PADDING) || defined(PSA_WANT_ALG_CBC_PKCS7)
+#define MBEDTLS_CIPHER_MODE_CBC
+#if defined(PSA_WANT_ALG_CBC_PKCS7)
+#define MBEDTLS_CIPHER_PADDING_PKCS7
+#endif /* PSA_WANT_ALG_CBC_PKCS7 */
+#endif /* PSA_WANT_ALG_CBC_NO_PADDING or PSA_WANT_ALG_CBC_PKCS7 */
+
 #else /* MBEDTLS_PSA_CRYPTO_CONFIG */
 
 /*
@@ -358,6 +389,7 @@
 
 #if defined(MBEDTLS_ARC4_C)
 #define PSA_WANT_KEY_TYPE_ARC4 1
+#define PSA_WANT_ALG_STREAM_CIPHER 1
 #endif
 
 #if defined(MBEDTLS_CAMELLIA_C)
@@ -368,6 +400,34 @@
 #define PSA_WANT_KEY_TYPE_DES 1
 #endif
 
+#if defined(MBEDTLS_CIPHER_MODE_CBC)
+#define PSA_WANT_ALG_CBC_NO_PADDING 1
+#if defined(MBEDTLS_CIPHER_PADDING_PKCS7)
+#define PSA_WANT_ALG_CBC_PKCS7 1
+#endif
+#endif
+
+#if defined(MBEDTLS_AES_C) || defined(MBEDTLS_DES_C) || \
+    defined(MBEDTLS_CAMELLIA_C)
+#define PSA_WANT_ALG_ECB_NO_PADDING 1
+#endif
+
+#if defined(MBEDTLS_CIPHER_MODE_CFB)
+#define PSA_WANT_ALG_CFB 1
+#endif
+
+#if defined(MBEDTLS_CIPHER_MODE_CTR)
+#define PSA_WANT_ALG_CTR 1
+#endif
+
+#if defined(MBEDTLS_CIPHER_MODE_OFB)
+#define PSA_WANT_ALG_OFB 1
+#endif
+
+#if defined(MBEDTLS_CIPHER_MODE_XTS)
+#define PSA_WANT_ALG_XTS 1
+#endif
+
 #endif /* MBEDTLS_PSA_CRYPTO_CONFIG */
 
 #ifdef __cplusplus