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Update to latest BearSSL code. (#5669)

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This commit is contained in:
Earle F. Philhower, III
2019-01-25 18:59:05 +00:00
committed by GitHub
parent 5e4c2e9750
commit a9fb6db0c8
5 changed files with 63 additions and 3 deletions
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60
tools/sdk/include/bearssl/bearssl_ec.h
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@ -451,6 +451,42 @@ extern const br_ec_impl br_ec_p256_m15;
*/
extern const br_ec_impl br_ec_p256_m31;
/**
* \brief EC implementation "m62" (specialised code) for P-256.
*
* This implementation uses custom code relying on multiplication of
* integers up to 64 bits, with a 128-bit result. This implementation is
* defined only on platforms that offer the 64x64->128 multiplication
* support; use `br_ec_p256_m62_get()` to dynamically obtain a pointer
* to that implementation.
*/
extern const br_ec_impl br_ec_p256_m62;
/**
* \brief Get the "m62" implementation of P-256, if available.
*
* \return the implementation, or 0.
*/
const br_ec_impl *br_ec_p256_m62_get(void);
/**
* \brief EC implementation "m64" (specialised code) for P-256.
*
* This implementation uses custom code relying on multiplication of
* integers up to 64 bits, with a 128-bit result. This implementation is
* defined only on platforms that offer the 64x64->128 multiplication
* support; use `br_ec_p256_m64_get()` to dynamically obtain a pointer
* to that implementation.
*/
extern const br_ec_impl br_ec_p256_m64;
/**
* \brief Get the "m64" implementation of P-256, if available.
*
* \return the implementation, or 0.
*/
const br_ec_impl *br_ec_p256_m64_get(void);
/**
* \brief EC implementation "i15" (generic code) for Curve25519.
*
@ -531,6 +567,30 @@ extern const br_ec_impl br_ec_c25519_m62;
*/
const br_ec_impl *br_ec_c25519_m62_get(void);
/**
* \brief EC implementation "m64" (specialised code) for Curve25519.
*
* This implementation uses custom code relying on multiplication of
* integers up to 64 bits, with a 128-bit result. This implementation is
* defined only on platforms that offer the 64x64->128 multiplication
* support; use `br_ec_c25519_m64_get()` to dynamically obtain a pointer
* to that implementation. Due to the specificities of the curve
* definition, the following applies:
*
* - `muladd()` is not implemented (the function returns 0 systematically).
* - `order()` returns 2^255-1, since the point multiplication algorithm
* accepts any 32-bit integer as input (it clears the top bit and low
* three bits systematically).
*/
extern const br_ec_impl br_ec_c25519_m64;
/**
* \brief Get the "m64" implementation of Curve25519, if available.
*
* \return the implementation, or 0.
*/
const br_ec_impl *br_ec_c25519_m64_get(void);
/**
* \brief Aggregate EC implementation "m15".
*