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refactor: moving pub_key_to_bytes to aztec-nr
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6 changes: 2 additions & 4 deletions
6
noir-projects/aztec-nr/aztec/src/keys/point_to_symmetric_key.nr
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,17 @@ | ||
use dep::protocol_types::point::Point; | ||
|
||
/// Converts a public key to a byte array. | ||
/// | ||
/// We don't serialize the point at infinity flag because this function is used in situations where we do not want | ||
/// to waste the extra byte (encrypted log). | ||
pub fn pub_key_to_bytes(pk: Point) -> [u8; 64] { | ||
assert(!pk.is_infinite, "Point at infinity is not a valid public key."); | ||
let mut result = [0 as u8; 64]; | ||
let x_bytes = pk.x.to_be_bytes(32); | ||
let y_bytes = pk.y.to_be_bytes(32); | ||
for i in 0..32 { | ||
result[i] = x_bytes[i]; | ||
result[i + 32] = y_bytes[i]; | ||
} | ||
result | ||
} |
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