25 lines
881 B
Objective-C
25 lines
881 B
Objective-C
#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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/// secp256k1 helpers used by the XRP wallet. Backed by the OpenSSL build that
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/// already ships inside the on-device monero static library, so no extra
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/// dependency is linked.
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@interface KoinsSecp256k1 : NSObject
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/// XRP account private scalar derived from a 16-byte family seed entropy.
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+ (nullable NSData *)privateKeyFromEntropy:(NSData *)entropy;
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/// 33-byte compressed public key for a 32-byte private scalar.
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+ (nullable NSData *)publicKeyFromPrivateKey:(NSData *)privateKey;
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/// DER-encoded, low-S ECDSA signature over a 32-byte digest.
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+ (nullable NSData *)signDigest:(NSData *)digest
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withPrivateKey:(NSData *)privateKey;
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/// (left + right) mod n, used by BIP-32 hardened child derivation.
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+ (nullable NSData *)addScalar:(NSData *)left toScalar:(NSData *)right;
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@end
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NS_ASSUME_NONNULL_END |