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src/secp256k1/include/secp256k1.h
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| /** Opaque data structured that holds a parsed ECDSA signature. | /** Opaque data structured that holds a parsed ECDSA signature. | ||||
| * | * | ||||
| * The exact representation of data inside is implementation defined and not | * The exact representation of data inside is implementation defined and not | ||||
| * guaranteed to be portable between different platforms or versions. It is | * guaranteed to be portable between different platforms or versions. It is | ||||
| * however guaranteed to be 64 bytes in size, and can be safely copied/moved. | * however guaranteed to be 64 bytes in size, and can be safely copied/moved. | ||||
| * If you need to convert to a format suitable for storage, transmission, or | * If you need to convert to a format suitable for storage, transmission, or | ||||
| * comparison, use the secp256k1_ecdsa_signature_serialize_* and | * comparison, use the secp256k1_ecdsa_signature_serialize_* and | ||||
| * secp256k1_ecdsa_signature_serialize_* functions. | * secp256k1_ecdsa_signature_parse_* functions. | ||||
| */ | */ | ||||
| typedef struct { | typedef struct { | ||||
| unsigned char data[64]; | unsigned char data[64]; | ||||
| } secp256k1_ecdsa_signature; | } secp256k1_ecdsa_signature; | ||||
| /** A pointer to a function to deterministically generate a nonce. | /** A pointer to a function to deterministically generate a nonce. | ||||
| * | * | ||||
| * Returns: 1 if a nonce was successfully generated. 0 will cause signing to fail. | * Returns: 1 if a nonce was successfully generated. 0 will cause signing to fail. | ||||
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