UPSTREAM: arm/arm64: crypto: assure that ECB modes don't require an IV

ECB modes don't use an initialization vector. The kernel
/proc/crypto interface doesn't reflect this properly.

Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
(cherry picked from bee038a4bd2efe8188cc80dfdad706a9abe568ad)
Signed-off-by: Eric Biggers <ebiggers@google.com>
Change-Id: Ief9558d2b41be58a2d845d2033a141b5ef7b585f

diff --git a/arch/arm/crypto/aes-ce-glue.c b/arch/arm/crypto/aes-ce-glue.c
index 679c589c48285b0f0cefbc2db1fbdea34493162e..1f7b98e1a00de2a57f40ceeac00112130a06dedf 100644 (file)
--- a/arch/arm/crypto/aes-ce-glue.c
+++ b/arch/arm/crypto/aes-ce-glue.c
@@ -369,7 +369,7 @@ static struct crypto_alg aes_algs[] = { {
        .cra_blkcipher = {
                .min_keysize    = AES_MIN_KEY_SIZE,
                .max_keysize    = AES_MAX_KEY_SIZE,
-               .ivsize         = AES_BLOCK_SIZE,
+               .ivsize         = 0,
                .setkey         = ce_aes_setkey,
                .encrypt        = ecb_encrypt,
                .decrypt        = ecb_decrypt,
@@ -446,7 +446,7 @@ static struct crypto_alg aes_algs[] = { {
        .cra_ablkcipher = {
                .min_keysize    = AES_MIN_KEY_SIZE,
                .max_keysize    = AES_MAX_KEY_SIZE,
-               .ivsize         = AES_BLOCK_SIZE,
+               .ivsize         = 0,
                .setkey         = ablk_set_key,
                .encrypt        = ablk_encrypt,
                .decrypt        = ablk_decrypt,

diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c
index 6a51dfccfe71a1846c66e8b2b53580b489a3d90c..448b874a482674c0fe1d686125ee5cbd778f418b 100644 (file)
--- a/arch/arm64/crypto/aes-glue.c
+++ b/arch/arm64/crypto/aes-glue.c
@@ -294,7 +294,7 @@ static struct crypto_alg aes_algs[] = { {
        .cra_blkcipher = {
                .min_keysize    = AES_MIN_KEY_SIZE,
                .max_keysize    = AES_MAX_KEY_SIZE,
-               .ivsize         = AES_BLOCK_SIZE,
+               .ivsize         = 0,
                .setkey         = aes_setkey,
                .encrypt        = ecb_encrypt,
                .decrypt        = ecb_decrypt,
@@ -371,7 +371,7 @@ static struct crypto_alg aes_algs[] = { {
        .cra_ablkcipher = {
                .min_keysize    = AES_MIN_KEY_SIZE,
                .max_keysize    = AES_MAX_KEY_SIZE,
-               .ivsize         = AES_BLOCK_SIZE,
+               .ivsize         = 0,
                .setkey         = ablk_set_key,
                .encrypt        = ablk_encrypt,
                .decrypt        = ablk_decrypt,