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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2016-11-30 21:17:24 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-12-01 21:06:37 +0800 |
| commit | 0be8a270b3f4af358549b8176c25be6972d86b35 (patch) | |
| tree | 2e0b8a754197bc0e50b007ee09e82a4bf8ca7e96 | |
| parent | ff330f7348bac51e01cb92a2cd7c31b454e404c3 (diff) | |
| download | linux-0be8a270b3f4af358549b8176c25be6972d86b35.tar.gz linux-0be8a270b3f4af358549b8176c25be6972d86b35.tar.bz2 linux-0be8a270b3f4af358549b8176c25be6972d86b35.zip | |
crypto: arm64/aes-ce-ccm - Fix AEAD decryption length
This patch fixes the ARM64 CE CCM implementation decryption by
using skcipher_walk_aead_decrypt instead of skcipher_walk_aead,
which ensures the correct length is used when doing the walk.
Fixes: cf2c0fe74084 ("crypto: aes-ce-ccm - Use skcipher walk interface")
Reported-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | arch/arm64/crypto/aes-ce-ccm-glue.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/crypto/aes-ce-ccm-glue.c b/arch/arm64/crypto/aes-ce-ccm-glue.c index d4f35685363b..cc5515dac74a 100644 --- a/arch/arm64/crypto/aes-ce-ccm-glue.c +++ b/arch/arm64/crypto/aes-ce-ccm-glue.c @@ -167,7 +167,7 @@ static int ccm_encrypt(struct aead_request *req) /* preserve the original iv for the final round */ memcpy(buf, req->iv, AES_BLOCK_SIZE); - err = skcipher_walk_aead(&walk, req, true); + err = skcipher_walk_aead_encrypt(&walk, req, true); while (walk.nbytes) { u32 tail = walk.nbytes % AES_BLOCK_SIZE; @@ -219,7 +219,7 @@ static int ccm_decrypt(struct aead_request *req) /* preserve the original iv for the final round */ memcpy(buf, req->iv, AES_BLOCK_SIZE); - err = skcipher_walk_aead(&walk, req, true); + err = skcipher_walk_aead_decrypt(&walk, req, true); while (walk.nbytes) { u32 tail = walk.nbytes % AES_BLOCK_SIZE; |