mbedtls: AES-256-CTR misadvertises as AES128-CTR

jedisct1 · jedisct1 · commit f985d9556579 · 2026-04-17T10:03:44.000+02:00
`ptls_mbedtls_aes256ctr` is the AES-256-CTR algorithm descriptor,
but its public `name` field is set to `"AES128-CTR"`.
diff --git a/lib/mbedtls.c b/lib/mbedtls.c
@@ -199,7 +199,7 @@ static int setup_aes256ctr(ptls_cipher_context_t *ctx, int is_enc, const void *k
 }
 
 ptls_cipher_algorithm_t ptls_mbedtls_aes256ctr = {
-    "AES128-CTR",   PTLS_AES256_KEY_SIZE, PTLS_AES_BLOCK_SIZE, 16 /* iv size */, sizeof(struct st_ptls_mbedtls_cipher_context_t),
+    "AES256-CTR",   PTLS_AES256_KEY_SIZE, PTLS_AES_BLOCK_SIZE, 16 /* iv size */, sizeof(struct st_ptls_mbedtls_cipher_context_t),
     setup_aes256ctr};
 
 #if 0

Original file line number	Diff line number	Diff line change
`@@ -199,7 +199,7 @@ static int setup_aes256ctr(ptls_cipher_context_t ctx, int is_enc, const void k`
`199`	`199`	`}`
`200`	`200`
`201`	`201`	`ptls_cipher_algorithm_t ptls_mbedtls_aes256ctr = {`
`202`		`- "AES128-CTR", PTLS_AES256_KEY_SIZE, PTLS_AES_BLOCK_SIZE, 16 /* iv size */, sizeof(struct st_ptls_mbedtls_cipher_context_t),`
	`202`	`+ "AES256-CTR", PTLS_AES256_KEY_SIZE, PTLS_AES_BLOCK_SIZE, 16 /* iv size */, sizeof(struct st_ptls_mbedtls_cipher_context_t),`
`203`	`203`	`setup_aes256ctr};`
`204`	`204`
`205`	`205`	`#if 0`