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scalar: extend docstring of secp256k1_scalar_set_b32

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Marko Bencun 2020-01-16 16:48:49 +01:00
parent 074ab582dd
commit dc7d8fd9e2
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1 changed files with 5 additions and 1 deletions
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src/scalar.h
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@ -32,7 +32,11 @@ static unsigned int secp256k1_scalar_get_bits(const secp256k1_scalar *a, unsigne
/** Access bits from a scalar. Not constant time. */
static unsigned int secp256k1_scalar_get_bits_var(const secp256k1_scalar *a, unsigned int offset, unsigned int count);
/** Set a scalar from a big endian byte array. */
/** Set a scalar from a big endian byte array. The scalar will be reduced modulo group order `n`.
* In: bin: pointer to a 32-byte array.
* Out: r: scalar to be set.
* overflow: non-zero if the scalar was bigger or equal to `n` before reduction, zero otherwise (can be NULL).
*/
static void secp256k1_scalar_set_b32(secp256k1_scalar *r, const unsigned char *bin, int *overflow);
/** Set a scalar to an unsigned integer. */