Get rid of _t as it is POSIX reserved
This commit is contained in:
50
src/field.h
50
src/field.h
@@ -31,89 +31,89 @@
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#endif
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/** Normalize a field element. */
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static void secp256k1_fe_normalize(secp256k1_fe_t *r);
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static void secp256k1_fe_normalize(secp256k1_fe *r);
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/** Weakly normalize a field element: reduce it magnitude to 1, but don't fully normalize. */
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static void secp256k1_fe_normalize_weak(secp256k1_fe_t *r);
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static void secp256k1_fe_normalize_weak(secp256k1_fe *r);
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/** Normalize a field element, without constant-time guarantee. */
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static void secp256k1_fe_normalize_var(secp256k1_fe_t *r);
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static void secp256k1_fe_normalize_var(secp256k1_fe *r);
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/** Verify whether a field element represents zero i.e. would normalize to a zero value. The field
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* implementation may optionally normalize the input, but this should not be relied upon. */
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static int secp256k1_fe_normalizes_to_zero(secp256k1_fe_t *r);
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static int secp256k1_fe_normalizes_to_zero(secp256k1_fe *r);
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/** Verify whether a field element represents zero i.e. would normalize to a zero value. The field
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* implementation may optionally normalize the input, but this should not be relied upon. */
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static int secp256k1_fe_normalizes_to_zero_var(secp256k1_fe_t *r);
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static int secp256k1_fe_normalizes_to_zero_var(secp256k1_fe *r);
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/** Set a field element equal to a small integer. Resulting field element is normalized. */
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static void secp256k1_fe_set_int(secp256k1_fe_t *r, int a);
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static void secp256k1_fe_set_int(secp256k1_fe *r, int a);
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/** Verify whether a field element is zero. Requires the input to be normalized. */
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static int secp256k1_fe_is_zero(const secp256k1_fe_t *a);
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static int secp256k1_fe_is_zero(const secp256k1_fe *a);
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/** Check the "oddness" of a field element. Requires the input to be normalized. */
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static int secp256k1_fe_is_odd(const secp256k1_fe_t *a);
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static int secp256k1_fe_is_odd(const secp256k1_fe *a);
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/** Compare two field elements. Requires magnitude-1 inputs. */
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static int secp256k1_fe_equal_var(const secp256k1_fe_t *a, const secp256k1_fe_t *b);
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static int secp256k1_fe_equal_var(const secp256k1_fe *a, const secp256k1_fe *b);
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/** Compare two field elements. Requires both inputs to be normalized */
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static int secp256k1_fe_cmp_var(const secp256k1_fe_t *a, const secp256k1_fe_t *b);
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static int secp256k1_fe_cmp_var(const secp256k1_fe *a, const secp256k1_fe *b);
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/** Set a field element equal to 32-byte big endian value. If successful, the resulting field element is normalized. */
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static int secp256k1_fe_set_b32(secp256k1_fe_t *r, const unsigned char *a);
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static int secp256k1_fe_set_b32(secp256k1_fe *r, const unsigned char *a);
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/** Convert a field element to a 32-byte big endian value. Requires the input to be normalized */
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static void secp256k1_fe_get_b32(unsigned char *r, const secp256k1_fe_t *a);
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static void secp256k1_fe_get_b32(unsigned char *r, const secp256k1_fe *a);
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/** Set a field element equal to the additive inverse of another. Takes a maximum magnitude of the input
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* as an argument. The magnitude of the output is one higher. */
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static void secp256k1_fe_negate(secp256k1_fe_t *r, const secp256k1_fe_t *a, int m);
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static void secp256k1_fe_negate(secp256k1_fe *r, const secp256k1_fe *a, int m);
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/** Multiplies the passed field element with a small integer constant. Multiplies the magnitude by that
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* small integer. */
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static void secp256k1_fe_mul_int(secp256k1_fe_t *r, int a);
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static void secp256k1_fe_mul_int(secp256k1_fe *r, int a);
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/** Adds a field element to another. The result has the sum of the inputs' magnitudes as magnitude. */
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static void secp256k1_fe_add(secp256k1_fe_t *r, const secp256k1_fe_t *a);
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static void secp256k1_fe_add(secp256k1_fe *r, const secp256k1_fe *a);
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/** Sets a field element to be the product of two others. Requires the inputs' magnitudes to be at most 8.
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* The output magnitude is 1 (but not guaranteed to be normalized). */
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static void secp256k1_fe_mul(secp256k1_fe_t *r, const secp256k1_fe_t *a, const secp256k1_fe_t * SECP256K1_RESTRICT b);
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static void secp256k1_fe_mul(secp256k1_fe *r, const secp256k1_fe *a, const secp256k1_fe * SECP256K1_RESTRICT b);
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/** Sets a field element to be the square of another. Requires the input's magnitude to be at most 8.
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* The output magnitude is 1 (but not guaranteed to be normalized). */
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static void secp256k1_fe_sqr(secp256k1_fe_t *r, const secp256k1_fe_t *a);
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static void secp256k1_fe_sqr(secp256k1_fe *r, const secp256k1_fe *a);
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/** Sets a field element to be the (modular) square root (if any exist) of another. Requires the
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* input's magnitude to be at most 8. The output magnitude is 1 (but not guaranteed to be
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* normalized). Return value indicates whether a square root was found. */
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static int secp256k1_fe_sqrt_var(secp256k1_fe_t *r, const secp256k1_fe_t *a);
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static int secp256k1_fe_sqrt_var(secp256k1_fe *r, const secp256k1_fe *a);
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/** Sets a field element to be the (modular) inverse of another. Requires the input's magnitude to be
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* at most 8. The output magnitude is 1 (but not guaranteed to be normalized). */
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static void secp256k1_fe_inv(secp256k1_fe_t *r, const secp256k1_fe_t *a);
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static void secp256k1_fe_inv(secp256k1_fe *r, const secp256k1_fe *a);
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/** Potentially faster version of secp256k1_fe_inv, without constant-time guarantee. */
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static void secp256k1_fe_inv_var(secp256k1_fe_t *r, const secp256k1_fe_t *a);
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static void secp256k1_fe_inv_var(secp256k1_fe *r, const secp256k1_fe *a);
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/** Calculate the (modular) inverses of a batch of field elements. Requires the inputs' magnitudes to be
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* at most 8. The output magnitudes are 1 (but not guaranteed to be normalized). The inputs and
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* outputs must not overlap in memory. */
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static void secp256k1_fe_inv_all_var(size_t len, secp256k1_fe_t *r, const secp256k1_fe_t *a);
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static void secp256k1_fe_inv_all_var(size_t len, secp256k1_fe *r, const secp256k1_fe *a);
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/** Convert a field element to the storage type. */
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static void secp256k1_fe_to_storage(secp256k1_fe_storage_t *r, const secp256k1_fe_t*);
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static void secp256k1_fe_to_storage(secp256k1_fe_storage *r, const secp256k1_fe*);
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/** Convert a field element back from the storage type. */
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static void secp256k1_fe_from_storage(secp256k1_fe_t *r, const secp256k1_fe_storage_t*);
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static void secp256k1_fe_from_storage(secp256k1_fe *r, const secp256k1_fe_storage*);
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/** If flag is true, set *r equal to *a; otherwise leave it. Constant-time. */
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static void secp256k1_fe_storage_cmov(secp256k1_fe_storage_t *r, const secp256k1_fe_storage_t *a, int flag);
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static void secp256k1_fe_storage_cmov(secp256k1_fe_storage *r, const secp256k1_fe_storage *a, int flag);
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/** If flag is true, set *r equal to *a; otherwise leave it. Constant-time. */
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static void secp256k1_fe_cmov(secp256k1_fe_t *r, const secp256k1_fe_t *a, int flag);
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static void secp256k1_fe_cmov(secp256k1_fe *r, const secp256k1_fe *a, int flag);
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#endif
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