diff options
| author | Thorsten Blum <thorsten.blum@linux.dev> | 2026-03-19 10:29:33 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2026-03-27 18:52:43 +0900 |
| commit | 177730a273b18e195263ed953853273e901b5064 (patch) | |
| tree | 2897a5f949487ed7bb3a8d6f040dac861aac4aea | |
| parent | d134feeb5df33fbf77f482f52a366a44642dba09 (diff) | |
crypto: caam - guard HMAC key hex dumps in hash_digest_key
Use print_hex_dump_devel() for dumping sensitive HMAC key bytes in
hash_digest_key() to avoid leaking secrets at runtime when
CONFIG_DYNAMIC_DEBUG is enabled.
Fixes: 045e36780f11 ("crypto: caam - ahash hmac support")
Fixes: 3f16f6c9d632 ("crypto: caam/qi2 - add support for ahash algorithms")
Cc: stable@vger.kernel.org
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/caam/caamalg_qi2.c | 4 | ||||
| -rw-r--r-- | drivers/crypto/caam/caamhash.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/crypto/caam/caamalg_qi2.c b/drivers/crypto/caam/caamalg_qi2.c index 553994228a17..854200850830 100644 --- a/drivers/crypto/caam/caamalg_qi2.c +++ b/drivers/crypto/caam/caamalg_qi2.c @@ -3270,7 +3270,7 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, u32 *keylen, u8 *key, dpaa2_fl_set_addr(out_fle, key_dma); dpaa2_fl_set_len(out_fle, digestsize); - print_hex_dump_debug("key_in@" __stringify(__LINE__)": ", + print_hex_dump_devel("key_in@" __stringify(__LINE__)": ", DUMP_PREFIX_ADDRESS, 16, 4, key, *keylen, 1); print_hex_dump_debug("shdesc@" __stringify(__LINE__)": ", DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), @@ -3290,7 +3290,7 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, u32 *keylen, u8 *key, /* in progress */ wait_for_completion(&result.completion); ret = result.err; - print_hex_dump_debug("digested key@" __stringify(__LINE__)": ", + print_hex_dump_devel("digested key@" __stringify(__LINE__)": ", DUMP_PREFIX_ADDRESS, 16, 4, key, digestsize, 1); } diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index e0a23c55c10e..72cfe00df3f4 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -393,7 +393,7 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, u32 *keylen, u8 *key, append_seq_store(desc, digestsize, LDST_CLASS_2_CCB | LDST_SRCDST_BYTE_CONTEXT); - print_hex_dump_debug("key_in@"__stringify(__LINE__)": ", + print_hex_dump_devel("key_in@"__stringify(__LINE__)": ", DUMP_PREFIX_ADDRESS, 16, 4, key, *keylen, 1); print_hex_dump_debug("jobdesc@"__stringify(__LINE__)": ", DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc), @@ -408,7 +408,7 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, u32 *keylen, u8 *key, wait_for_completion(&result.completion); ret = result.err; - print_hex_dump_debug("digested key@"__stringify(__LINE__)": ", + print_hex_dump_devel("digested key@"__stringify(__LINE__)": ", DUMP_PREFIX_ADDRESS, 16, 4, key, digestsize, 1); } |