diff options
Diffstat (limited to 'firmware/2lib/2secdata_kernel.c')
| -rw-r--r-- | firmware/2lib/2secdata_kernel.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/firmware/2lib/2secdata_kernel.c b/firmware/2lib/2secdata_kernel.c index de12ca04..0d4208fa 100644 --- a/firmware/2lib/2secdata_kernel.c +++ b/firmware/2lib/2secdata_kernel.c @@ -22,7 +22,13 @@ static inline int is_v0(struct vb2_context *ctx) return MAJOR_VER(sec->struct_version) == 0; } -uint8_t vb2_secdata_kernel_crc(struct vb2_context *ctx) +/** + * Calculate crc8 of kernel secure storage. + * + * @param ctx Context pointer + * @return Calculated crc8 value. + */ +static uint8_t secdata_kernel_crc(struct vb2_context *ctx) { size_t offset, size; @@ -54,7 +60,7 @@ static vb2_error_t secdata_kernel_check_v0(struct vb2_context *ctx, *size = VB2_SECDATA_KERNEL_SIZE_V02; /* Verify CRC */ - if (sec->crc8 != vb2_secdata_kernel_crc(ctx)) { + if (sec->crc8 != secdata_kernel_crc(ctx)) { VB2_DEBUG("secdata_kernel: bad CRC\n"); return VB2_ERROR_SECDATA_KERNEL_CRC; } @@ -101,7 +107,7 @@ static vb2_error_t secdata_kernel_check_v1(struct vb2_context *ctx, *size = sec->struct_size; /* Verify CRC */ - if (sec->crc8 != vb2_secdata_kernel_crc(ctx)) { + if (sec->crc8 != secdata_kernel_crc(ctx)) { VB2_DEBUG("secdata_kernel: bad CRC\n"); return VB2_ERROR_SECDATA_KERNEL_CRC; } @@ -131,7 +137,7 @@ uint32_t vb2api_secdata_kernel_create(struct vb2_context *ctx) memset(sec, 0, sizeof(*sec)); sec->struct_version = VB2_SECDATA_KERNEL_VERSION_LATEST; sec->struct_size = sizeof(*sec); - sec->crc8 = vb2_secdata_kernel_crc(ctx); + sec->crc8 = secdata_kernel_crc(ctx); /* Mark as changed */ ctx->flags |= VB2_CONTEXT_SECDATA_KERNEL_CHANGED; @@ -256,9 +262,9 @@ void vb2_secdata_kernel_set(struct vb2_context *ctx, } if (is_v0(ctx)) - v0->crc8 = vb2_secdata_kernel_crc(ctx); + v0->crc8 = secdata_kernel_crc(ctx); else - v1->crc8 = vb2_secdata_kernel_crc(ctx); + v1->crc8 = secdata_kernel_crc(ctx); ctx->flags |= VB2_CONTEXT_SECDATA_KERNEL_CHANGED; return; @@ -300,7 +306,7 @@ void vb2_secdata_kernel_set_ec_hash(struct vb2_context *ctx, } memcpy(sec->ec_hash, sha256, sizeof(sec->ec_hash)); - sec->crc8 = vb2_secdata_kernel_crc(ctx); + sec->crc8 = secdata_kernel_crc(ctx); ctx->flags |= VB2_CONTEXT_SECDATA_KERNEL_CHANGED; |