testing/crypto: add keymanagement test cases

Add comprehensive key management test suite covering:
- AES key generation (128, 192, 256-bit)
- RSA keypair generation with variable key sizes
- ECDSA keypair generation on SECP256R1 curve
Tests key lifecycle operations and MTD-based persistent storage.

Signed-off-by: makejian <makejian@xiaomi.com>

Author: ThePassionate

testing/drivers/crypto/CMakeLists.txt

@@ -197,4 +197,18 @@ if(CONFIG_TESTING_CRYPTO)
       cmocka)
   endif()
 
+  if(CONFIG_TESTING_CRYPTO_KEY_MANAGEMENT)
+    nuttx_add_application(
+      NAME
+      keymanagement
+      PRIORITY
+      ${CONFIG_TESTING_CRYPTO_PRIORITY}
+      STACKSIZE
+      ${CONFIG_TESTING_CRYPTO_STACKSIZE}
+      MODULE
+      ${CONFIG_TESTING_CRYPTO}
+      SRCS
+      keymanagement.c)
+  endif()
+
 endif()

testing/drivers/crypto/Kconfig

@@ -60,6 +60,10 @@ config TESTING_CRYPTO_RSA
 	bool "rsa crypto test"
 	default n
 
+config TESTING_CRYPTO_KEY_MANAGEMENT
+	bool "key management test"
+	default n
+
 config TESTING_CRYPTO_PRIORITY
 	int "crypto test task priority"
 	default 100

testing/drivers/crypto/Makefile

@@ -78,6 +78,11 @@ PROGNAME += rsa
 MAINSRC +=  rsa.c
 endif
 
+ifeq ($(CONFIG_TESTING_CRYPTO_KEY_MANAGEMENT),y)
+PROGNAME += keymanagement
+MAINSRC +=  keymanagement.c
+endif
+
 PRIORITY = $(CONFIG_TESTING_CRYPTO_PRIORITY)
 STACKSIZE = $(CONFIG_TESTING_CRYPTO_STACKSIZE)
 MODULE = $(CONFIG_TESTING_CRYPTO)