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Deprecate ecc_25519_work_base_ed25519 and ecc_25519_work_base_legacy

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The deprecation of ecc_25519_work_default_base and
ecc_25519_scalarmult_base{,_bits} is reverted, as the Ed25519 and legacy
base points are represented in the same way now.
This commit is contained in:
Matthias Schiffer 2016-03-18 15:12:46 +01:00
parent 740355d5dd
commit 5ade164170
2 changed files with 16 additions and 26 deletions
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38
include/libuecc/ecc.h
View file

@ -68,33 +68,27 @@ extern const ecc_25519_work_t ecc_25519_work_identity;
/** /**
* The generator point used by Ed25519 * The Ed25519 default generator point
* *
* \ref ecc_25519_work_base_ed25519 is the inverse of \ref ecc_25519_work_base_legacy * \deprecated Use the equivalent \ref ecc_25519_work_default_base instead.
* *
* The order of the base point is \f$ 2^{252} + 27742317777372353535851937790883648493 \f$.
**/ **/
extern const ecc_25519_work_t ecc_25519_work_base_ed25519; DEPRECATED extern const ecc_25519_work_t ecc_25519_work_base_ed25519;
/** /**
* The ec25519 legacy generator point ("default base" till libuecc v5) * The Ed25519 default generator point
* *
* In new software that doesn't need compablity with older libuecc releases, you should consider * \deprecated Use the equivalent \ref ecc_25519_work_default_base instead.
* using \ref ecc_25519_work_base_ed25519 instead. */
* DEPRECATED extern const ecc_25519_work_t ecc_25519_work_base_legacy;
* \ref ecc_25519_work_base_legacy is the inverse of \ref ecc_25519_work_base_ed25519
/**
* The Ed25519 default generator point
* *
* The order of the base point is \f$ 2^{252} + 27742317777372353535851937790883648493 \f$. * The order of the base point is \f$ 2^{252} + 27742317777372353535851937790883648493 \f$.
*/ */
extern const ecc_25519_work_t ecc_25519_work_base_legacy; extern const ecc_25519_work_t ecc_25519_work_default_base;
/**
* The ec25519 legacy generator point (provided for API/ABI compatiblity with older releases of libuecc)
*
* \deprecated Use \ref ecc_25519_work_base_legacy instead.
*/
DEPRECATED extern const ecc_25519_work_t ecc_25519_work_default_base;
/** Loads a point of the Ed25519 curve with given coordinates into its unpacked representation */ /** Loads a point of the Ed25519 curve with given coordinates into its unpacked representation */
@ -256,19 +250,15 @@ void ecc_25519_scalarmult(ecc_25519_work_t *out, const ecc_int256_t *n, const ec
* The order of the base point is \f$ 2^{252} + 27742317777372353535851937790883648493 \f$. * The order of the base point is \f$ 2^{252} + 27742317777372353535851937790883648493 \f$.
* *
* See the notes about \ref ecc_25519_scalarmult_bits before using this function. * See the notes about \ref ecc_25519_scalarmult_bits before using this function.
*
* \deprecated Use \ref ecc_25519_scalarmult_bits and explicitly specify the base point.
*/ */
DEPRECATED void ecc_25519_scalarmult_base_bits(ecc_25519_work_t *out, const ecc_int256_t *n, unsigned bits); void ecc_25519_scalarmult_base_bits(ecc_25519_work_t *out, const ecc_int256_t *n, unsigned bits);
/** /**
* Does a scalar multiplication of the default base point (generator element) of the Elliptic Curve with an integer * Does a scalar multiplication of the default base point (generator element) of the Elliptic Curve with an integer
* *
* The order of the base point is \f$ 2^{252} + 27742317777372353535851937790883648493 \f$. * The order of the base point is \f$ 2^{252} + 27742317777372353535851937790883648493 \f$.
*
* \deprecated Use \ref ecc_25519_scalarmult and explicitly specify the base point.
*/ */
DEPRECATED void ecc_25519_scalarmult_base(ecc_25519_work_t *out, const ecc_int256_t *n); void ecc_25519_scalarmult_base(ecc_25519_work_t *out, const ecc_int256_t *n);
/**@}*/ /**@}*/

4
src/ec25519.c
View file

@ -851,9 +851,9 @@ void ecc_25519_scalarmult(ecc_25519_work_t *out, const ecc_int256_t *n, const ec
} }
void ecc_25519_scalarmult_base_bits(ecc_25519_work_t *out, const ecc_int256_t *n, unsigned bits) { void ecc_25519_scalarmult_base_bits(ecc_25519_work_t *out, const ecc_int256_t *n, unsigned bits) {
ecc_25519_scalarmult_bits(out, n, &ecc_25519_work_base_legacy, bits); ecc_25519_scalarmult_bits(out, n, &ecc_25519_work_default_base, bits);
} }
void ecc_25519_scalarmult_base(ecc_25519_work_t *out, const ecc_int256_t *n) { void ecc_25519_scalarmult_base(ecc_25519_work_t *out, const ecc_int256_t *n) {
ecc_25519_scalarmult(out, n, &ecc_25519_work_base_legacy); ecc_25519_scalarmult(out, n, &ecc_25519_work_default_base);
} }