diff options
author | Kevin Hilman <khilman@linaro.org> | 2015-09-14 14:21:39 -0700 |
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committer | Kevin Hilman <khilman@linaro.org> | 2015-09-14 14:21:39 -0700 |
commit | f249a14dd1b6b341e7b5e29b64c0edae6e13b7f5 (patch) | |
tree | e5b53c75e42b5ac0d9b8feac65ce4b7a1b2a17bd /drivers/crypto/nx/nx-aes-xcbc.c | |
parent | 48cf795880b441a6c59cd840d0475fac7fdffd87 (diff) | |
parent | 0c5c1f1a4f991ee015da85cce6d2d9f9c9380b4f (diff) |
Merge tag 'v4.1.7' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into linux-linaro-lsk-v4.1lsk-v4.1-15.09
This is the 4.1.7 stable release
* tag 'v4.1.7' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable: (165 commits)
Linux 4.1.7
ARM: 8405/1: VDSO: fix regression with toolchains lacking ld.bfd executable
x86/idle: Restore trace_cpu_idle to mwait_idle() calls
x86/apic: Fix fallout from x2apic cleanup
x86/xen: make CONFIG_XEN depend on CONFIG_X86_LOCAL_APIC
arm64: perf: fix unassigned cpu_pmu->plat_device when probing PMU PPIs
arm64: KVM: Fix host crash when injecting a fault into a 32bit guest
fnic: Use the local variable instead of I/O flag to acquire io_req_lock in fnic_queuecommand() to avoid deadloack
Add factory recertified Crucial M500s to blacklist
can: pcan_usb: don't provide CAN FD bittimings by non-FD adapters
SCSI: Fix NULL pointer dereference in runtime PM
genirq: Introduce irq_chip_set_type_parent() helper
genirq: Don't return ENOSYS in irq_chip_retrigger_hierarchy
ARM: OMAP: wakeupgen: Restore the irq_set_type() mechanism
irqchip/crossbar: Restore set_wake functionality
irqchip/crossbar: Restore the mask on suspend behaviour
irqchip/crossbar: Restore the irq_set_type() mechanism
9p: ensure err is initialized to 0 in p9_client_read/write
drm/i915: Avoid TP3 on CHV
drm/i915: remove HBR2 from chv supported list
...
Diffstat (limited to 'drivers/crypto/nx/nx-aes-xcbc.c')
-rw-r--r-- | drivers/crypto/nx/nx-aes-xcbc.c | 70 |
1 files changed, 44 insertions, 26 deletions
diff --git a/drivers/crypto/nx/nx-aes-xcbc.c b/drivers/crypto/nx/nx-aes-xcbc.c index 8c2faffab4a3..c2f7d4befb55 100644 --- a/drivers/crypto/nx/nx-aes-xcbc.c +++ b/drivers/crypto/nx/nx-aes-xcbc.c @@ -42,6 +42,7 @@ static int nx_xcbc_set_key(struct crypto_shash *desc, unsigned int key_len) { struct nx_crypto_ctx *nx_ctx = crypto_shash_ctx(desc); + struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; switch (key_len) { case AES_KEYSIZE_128: @@ -51,7 +52,7 @@ static int nx_xcbc_set_key(struct crypto_shash *desc, return -EINVAL; } - memcpy(nx_ctx->priv.xcbc.key, in_key, key_len); + memcpy(csbcpb->cpb.aes_xcbc.key, in_key, key_len); return 0; } @@ -148,32 +149,29 @@ out: return rc; } -static int nx_xcbc_init(struct shash_desc *desc) +static int nx_crypto_ctx_aes_xcbc_init2(struct crypto_tfm *tfm) { - struct xcbc_state *sctx = shash_desc_ctx(desc); - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); + struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; - struct nx_sg *out_sg; - int len; + int err; - nx_ctx_init(nx_ctx, HCOP_FC_AES); + err = nx_crypto_ctx_aes_xcbc_init(tfm); + if (err) + return err; - memset(sctx, 0, sizeof *sctx); + nx_ctx_init(nx_ctx, HCOP_FC_AES); NX_CPB_SET_KEY_SIZE(csbcpb, NX_KS_AES_128); csbcpb->cpb.hdr.mode = NX_MODE_AES_XCBC_MAC; - memcpy(csbcpb->cpb.aes_xcbc.key, nx_ctx->priv.xcbc.key, AES_BLOCK_SIZE); - memset(nx_ctx->priv.xcbc.key, 0, sizeof *nx_ctx->priv.xcbc.key); - - len = AES_BLOCK_SIZE; - out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, - &len, nx_ctx->ap->sglen); + return 0; +} - if (len != AES_BLOCK_SIZE) - return -EINVAL; +static int nx_xcbc_init(struct shash_desc *desc) +{ + struct xcbc_state *sctx = shash_desc_ctx(desc); - nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + memset(sctx, 0, sizeof *sctx); return 0; } @@ -186,6 +184,7 @@ static int nx_xcbc_update(struct shash_desc *desc, struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; struct nx_sg *in_sg; + struct nx_sg *out_sg; u32 to_process = 0, leftover, total; unsigned int max_sg_len; unsigned long irq_flags; @@ -213,6 +212,17 @@ static int nx_xcbc_update(struct shash_desc *desc, max_sg_len = min_t(u64, max_sg_len, nx_ctx->ap->databytelen/NX_PAGE_SIZE); + data_len = AES_BLOCK_SIZE; + out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, + &len, nx_ctx->ap->sglen); + + if (data_len != AES_BLOCK_SIZE) { + rc = -EINVAL; + goto out; + } + + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + do { to_process = total - to_process; to_process = to_process & ~(AES_BLOCK_SIZE - 1); @@ -235,8 +245,10 @@ static int nx_xcbc_update(struct shash_desc *desc, (u8 *) sctx->buffer, &data_len, max_sg_len); - if (data_len != sctx->count) - return -EINVAL; + if (data_len != sctx->count) { + rc = -EINVAL; + goto out; + } } data_len = to_process - sctx->count; @@ -245,8 +257,10 @@ static int nx_xcbc_update(struct shash_desc *desc, &data_len, max_sg_len); - if (data_len != to_process - sctx->count) - return -EINVAL; + if (data_len != to_process - sctx->count) { + rc = -EINVAL; + goto out; + } nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); @@ -325,15 +339,19 @@ static int nx_xcbc_final(struct shash_desc *desc, u8 *out) in_sg = nx_build_sg_list(nx_ctx->in_sg, (u8 *)sctx->buffer, &len, nx_ctx->ap->sglen); - if (len != sctx->count) - return -EINVAL; + if (len != sctx->count) { + rc = -EINVAL; + goto out; + } len = AES_BLOCK_SIZE; out_sg = nx_build_sg_list(nx_ctx->out_sg, out, &len, nx_ctx->ap->sglen); - if (len != AES_BLOCK_SIZE) - return -EINVAL; + if (len != AES_BLOCK_SIZE) { + rc = -EINVAL; + goto out; + } nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); @@ -372,7 +390,7 @@ struct shash_alg nx_shash_aes_xcbc_alg = { .cra_blocksize = AES_BLOCK_SIZE, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_init = nx_crypto_ctx_aes_xcbc_init, + .cra_init = nx_crypto_ctx_aes_xcbc_init2, .cra_exit = nx_crypto_ctx_exit, } }; |