diff options
Diffstat (limited to 'hal.h')
| -rw-r--r-- | hal.h | 20 |
1 files changed, 15 insertions, 5 deletions
@@ -39,23 +39,23 @@ * 3 bits segment selector | up to 8 segments * 5 bits core selector | up to 32 cores/segment (see note below) * 8 bits register selector | up to 256 registers/core (see modexp below) - * + * * i.e, the address is structured as: * sss ccccc rrrrrrrr - * + * * The I2C and UART communication channels use this 16-bit address format * directly in their read and write commands. - * + * * The EIM communications channel translates this 16-bit address into a * 32-bit memory-mapped address in the range 0x08000000..807FFFF: * 00001000000000 sss 0 ccccc rrrrrrrr 00 - * + * * EIM, as implemented on the Novena, uses a 19-bit address space: * Bits 18..16 are the semgent selector. * Bits 15..10 are the core selector. * Bits 9..2 are the register selector. * Bits 1..0 are zero, because reads and writes are always word aligned. - * + * * Note that EIM can support 64 cores per segment, but we sacrifice one bit * in order to map it into a 16-bit address space. */ @@ -733,6 +733,16 @@ extern hal_error_t hal_ecdsa_key_from_der(hal_ecdsa_key_t **key, void *keybuf, const size_t keybuf_len, const uint8_t * const der, const size_t der_len); +extern hal_error_t hal_ecdsa_key_to_ecpoint(const hal_ecdsa_key_t * const key, + uint8_t *der, size_t *der_len, const size_t der_max); + +extern size_t hal_ecdsa_key_to_ecpoint_len(const hal_ecdsa_key_t * const key); + +extern hal_error_t hal_ecdsa_key_from_ecpoint(hal_ecdsa_key_t **key, + void *keybuf, const size_t keybuf_len, + const uint8_t * const der, const size_t der_len, + const hal_ecdsa_curve_t curve); + extern hal_error_t hal_ecdsa_sign(const hal_ecdsa_key_t * const key, const uint8_t * const hash, const size_t hash_len, uint8_t *signature, size_t *signature_len, const size_t signature_max, |