diff options
Diffstat (limited to 'firmware/2lib/include/2api.h')
| -rw-r--r-- | firmware/2lib/include/2api.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/firmware/2lib/include/2api.h b/firmware/2lib/include/2api.h index 6b95204b..67b5074a 100644 --- a/firmware/2lib/include/2api.h +++ b/firmware/2lib/include/2api.h @@ -966,6 +966,20 @@ vb2_error_t vb2ex_hwcrypto_rsa_verify_digest(const struct vb2_public_key *key, const uint8_t *sig, const uint8_t *digest); +/** + * Calculate modexp using hardware crypto engine. + * + * @param key Key to use in signing + * @param inout Input and output big-endian byte array + * @param workbuf32 Work buffer; caller must verify this is + * (3 * key->arrsize) elements long. + * @param exp RSA public exponent: either 65537 (F4) or 3 + * @return VB2_SUCCESS or HWCRYPTO_UNSUPPORTED. + */ +vb2_error_t vb2ex_hwcrypto_modexp(const struct vb2_public_key *key, + uint8_t *inout, + uint32_t *workbuf32, int exp); + /* * Abort vboot flow due to a failed assertion or broken assumption. * |