mbedtls/ChangeLog.d/use_heap_rsa_signature.txt

Changes
   * Use heap memory to allocate DER encoded RSA private key.
     This reduces stack usage significantly for RSA signature
     operations when MBEDTLS_PSA_CRYPTO_C is defined.
rsa_signature: Use heap memory to allocate DER encoded RSA private key 'mbedtls_pk_psa_rsa_sign_ext' function allocates a buffer of maximum size 5679 bytes (MBEDTLS_PK_RSA_PRV_DER_MAX_BYTES) on the stack to store DER encoded private key. This increased stack usage significantly for RSA signature operations when MBEDTLS_PSA_CRYPTO_C is defined. This issue was discovered when adding support for EAP-TLS 1.3 (rfc9190). Signed-off-by: Sarvesh Bodakhe <sarvesh.bodakhe@espressif.com> 2023-07-27 09:21:25 +00:00			`Changes`
			`* Use heap memory to allocate DER encoded RSA private key.`
			`This reduces stack usage significantly for RSA signature`
			`operations when MBEDTLS_PSA_CRYPTO_C is defined.`