diff options
Diffstat (limited to 'firmware/lib21/api.c')
| -rw-r--r-- | firmware/lib21/api.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/firmware/lib21/api.c b/firmware/lib21/api.c index beed98bc..7c1aa014 100644 --- a/firmware/lib21/api.c +++ b/firmware/lib21/api.c @@ -47,7 +47,7 @@ int vb2api_init_hash2(struct vb2_context *ctx, struct vb2_digest_context *dc; struct vb2_workbuf wb; uint32_t hash_offset; - int i; + int i, rv; vb2_workbuf_from_ctx(ctx, &wb); @@ -93,6 +93,23 @@ int vb2api_init_hash2(struct vb2_context *ctx, if (size) *size = sig->data_size; + if (!(pre->flags & VB2_FIRMWARE_PREAMBLE_DISALLOW_HWCRYPTO)) { + rv = vb2ex_hwcrypto_digest_init(sig->hash_alg, sig->data_size); + if (!rv) { + VB2_DEBUG("Using HW crypto engine for hash_alg %d\n", + sig->hash_alg); + dc->hash_alg = sig->hash_alg; + dc->using_hwcrypto = 1; + return VB2_SUCCESS; + } + if (rv != VB2_ERROR_EX_HWCRYPTO_UNSUPPORTED) + return rv; + VB2_DEBUG("HW crypto for hash_alg %d not supported, using SW\n", + sig->hash_alg); + } else { + VB2_DEBUG("HW crypto forbidden by preamble, using SW\n"); + } + return vb2_digest_init(dc, sig->hash_alg); } @@ -131,7 +148,10 @@ int vb2api_check_hash(struct vb2_context *ctx) return VB2_ERROR_API_CHECK_HASH_WORKBUF_DIGEST; /* Finalize the digest */ - rv = vb2_digest_finalize(dc, digest, digest_size); + if (dc->using_hwcrypto) + rv = vb2ex_hwcrypto_digest_finalize(digest, digest_size); + else + rv = vb2_digest_finalize(dc, digest, digest_size); if (rv) return rv; |