block_cipher: add setkey()
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/library/block_cipher.c b/library/block_cipher.c
index 08364d7..2146c6c 100644
--- a/library/block_cipher.c
+++ b/library/block_cipher.c
@@ -66,4 +66,25 @@
}
}
+int mbedtls_block_cipher_setkey(mbedtls_block_cipher_context_t *ctx,
+ const unsigned char *key,
+ unsigned key_bitlen)
+{
+ switch (ctx->id) {
+#if defined(MBEDTLS_AES_C)
+ case MBEDTLS_BLOCK_CIPHER_ID_AES:
+ return mbedtls_aes_setkey_enc(&ctx->ctx.aes, key, key_bitlen);
+#endif
+#if defined(MBEDTLS_ARIA_C)
+ case MBEDTLS_BLOCK_CIPHER_ID_ARIA:
+ return mbedtls_aria_setkey_enc(&ctx->ctx.aria, key, key_bitlen);
+#endif
+#if defined(MBEDTLS_CAMELLIA_C)
+ case MBEDTLS_BLOCK_CIPHER_ID_CAMELLIA:
+ return mbedtls_camellia_setkey_enc(&ctx->ctx.camellia, key, key_bitlen);
+#endif
+ default:
+ return MBEDTLS_ERR_CIPHER_INVALID_CONTEXT;
+ }
+}
#endif /* MBEDTLS_BLOCK_CIPHER_C */