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Add checks for HW acceleration of ciphers and padding

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Add additional ifdef checks in the PSA config to detect when an
algorithm is entirely implemented in hardware.  If there is any
combination of cipher and padding type that is not supported by the HW
acceleration, enable the SW acceleration.

Signed-off-by: David Brown <david.brown@linaro.org>
This commit is contained in:
David Brown 2021-02-05 12:47:08 -07:00
parent 63ca260827
commit 4b9ec7a598
1 changed files with 44 additions and 0 deletions
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44
include/mbedtls/config_psa.h
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@ -252,24 +252,58 @@ extern "C" {
#define MBEDTLS_PSA_BUILTIN_ALG_STREAM_CIPHER 1
#endif /* PSA_WANT_ALG_STREAM_CIPHER */
/* The MBEDTLS_PSA_HAVE_SOFT_KEY_TYPE_* are defined if a key type is selected,
* but we are configured to accelerate this key type. */
#if defined(PSA_WANT_KEY_TYPE_AES) && !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_AES)
#define PSA_HAVE_SOFT_KEY_TYPE_AES 1
#endif
#if defined(PSA_WANT_KEY_TYPE_DES) && !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_DES)
#define PSA_HAVE_SOFT_KEY_TYPE_DES 1
#endif
#if defined(PSA_WANT_KEY_TYPE_CAMELLIA) && !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_CAMELLIA)
#define PSA_HAVE_SOFT_KEY_TYPE_CAMELLIA 1
#endif
#if defined(PSA_WANT_ALG_CTR)
#if !defined(MBEDTLS_PSA_ACCEL_ALG_CTR) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_AES) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_DES) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_CAMELLIA)
#define MBEDTLS_PSA_BUILTIN_ALG_CTR 1
#define MBEDTLS_CIPHER_MODE_CTR
#endif
#endif /* PSA_WANT_ALG_CTR */
#if defined(PSA_WANT_ALG_CFB)
#if !defined(MBEDTLS_PSA_ACCEL_ALG_CFB) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_AES) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_DES) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_CAMELLIA)
#define MBEDTLS_PSA_BUILTIN_ALG_CFB 1
#define MBEDTLS_CIPHER_MODE_CFB
#endif
#endif /* PSA_WANT_ALG_CFB */
#if defined(PSA_WANT_ALG_OFB)
#if !defined(MBEDTLS_PSA_ACCEL_ALG_OFB) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_AES) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_DES) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_CAMELLIA)
#define MBEDTLS_PSA_BUILTIN_ALG_OFB 1
#define MBEDTLS_CIPHER_MODE_OFB
#endif
#endif /* PSA_WANT_ALG_OFB */
#if defined(PSA_WANT_ALG_XTS)
#if !defined(MBEDTLS_PSA_ACCEL_ALG_XTS) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_AES) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_DES) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_CAMELLIA)
#define MBEDTLS_PSA_BUILTIN_ALG_XTS 1
#define MBEDTLS_CIPHER_MODE_XTS
#endif
#endif /* PSA_WANT_ALG_XTS */
#if defined(PSA_WANT_ALG_ECB_NO_PADDING)
@ -284,11 +318,21 @@ extern "C" {
#endif /* PSA_WANT_ALG_CBC_NO_PADDING || PSA_WANT_ALG_CBC_PKCS7 */
#if defined(PSA_WANT_ALG_CBC_NO_PADDING)
#if !defined(MBEDTLS_PSA_ACCEL_ALG_CBC_NO_PADDING) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_AES) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_DES) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_CAMELLIA)
#define MBEDTLS_PSA_BUILTIN_ALG_CBC_NO_PADDING 1
#endif
#endif /* PSA_WANT_ALG_CBC_NO_PADDING */
#if defined(PSA_WANT_ALG_CBC_PKCS7)
#if !defined(MBEDTLS_PSA_ACCEL_ALG_CBC_PKCS7) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_AES) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_DES) || \
defined(PSA_HAVE_SOFT_KEY_TYPE_CAMELLIA)
#define MBEDTLS_PSA_BUILTIN_ALG_CBC_PKCS7 1
#endif
#endif /* PSA_WANT_ALG_CBC_PKCS7 */
#else /* MBEDTLS_PSA_CRYPTO_CONFIG */