diff --git a/libc/kernel/uapi/linux/tls.h b/libc/kernel/uapi/linux/tls.h
index 96bb3a5..e188826 100644
--- a/libc/kernel/uapi/linux/tls.h
+++ b/libc/kernel/uapi/linux/tls.h
@@ -42,6 +42,12 @@
 #define TLS_CIPHER_AES_GCM_256_SALT_SIZE 4
 #define TLS_CIPHER_AES_GCM_256_TAG_SIZE 16
 #define TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE 8
+#define TLS_CIPHER_AES_CCM_128 53
+#define TLS_CIPHER_AES_CCM_128_IV_SIZE 8
+#define TLS_CIPHER_AES_CCM_128_KEY_SIZE 16
+#define TLS_CIPHER_AES_CCM_128_SALT_SIZE 4
+#define TLS_CIPHER_AES_CCM_128_TAG_SIZE 16
+#define TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE 8
 #define TLS_SET_RECORD_TYPE 1
 #define TLS_GET_RECORD_TYPE 2
 struct tls_crypto_info {
@@ -62,4 +68,11 @@
   unsigned char salt[TLS_CIPHER_AES_GCM_256_SALT_SIZE];
   unsigned char rec_seq[TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE];
 };
+struct tls12_crypto_info_aes_ccm_128 {
+  struct tls_crypto_info info;
+  unsigned char iv[TLS_CIPHER_AES_CCM_128_IV_SIZE];
+  unsigned char key[TLS_CIPHER_AES_CCM_128_KEY_SIZE];
+  unsigned char salt[TLS_CIPHER_AES_CCM_128_SALT_SIZE];
+  unsigned char rec_seq[TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE];
+};
 #endif