[−][src]Crate secp256k1_abc_sys
Structs
| secp256k1_context_struct | |
| secp256k1_pubkey | Opaque data structure that holds a parsed and valid public key. |
| secp256k1_ecdsa_signature | Opaque data structured that holds a parsed ECDSA signature. |
| secp256k1_multiset | Opaque multiset; this is actually a group element |
| secp256k1_ecdsa_recoverable_signature | Opaque data structured that holds a parsed ECDSA signature, supporting pubkey recovery. |
Constants
Statics
| secp256k1_nonce_function_default | |
| secp256k1_nonce_function_rfc6979 |
Functions
| secp256k1_context_create⚠ | Create a secp256k1 context object. |
| secp256k1_context_clone⚠ | Copies a secp256k1 context object. |
| secp256k1_context_destroy⚠ | Destroy a secp256k1 context object. |
| secp256k1_context_set_illegal_callback⚠ | Set a callback function to be called when an illegal argument is passed to an API call. It will only trigger for violations that are mentioned explicitly in the header. |
| secp256k1_context_set_error_callback⚠ | Set a callback function to be called when an internal consistency check fails. The default is crashing. |
| secp256k1_ec_pubkey_parse⚠ | Parse a variable-length public key into the pubkey object. |
| secp256k1_ec_pubkey_serialize⚠ | Serialize a pubkey object into a serialized byte sequence. |
| secp256k1_ecdsa_signature_parse_compact⚠ | Parse an ECDSA signature in compact (64 bytes) format. |
| secp256k1_ecdsa_signature_parse_der⚠ | Parse a DER ECDSA signature. |
| secp256k1_ecdsa_signature_serialize_der⚠ | Serialize an ECDSA signature in DER format. |
| secp256k1_ecdsa_signature_serialize_compact⚠ | Serialize an ECDSA signature in compact (64 byte) format. |
| secp256k1_ecdsa_verify⚠ | Verify an ECDSA signature. |
| secp256k1_ecdsa_signature_normalize⚠ | Convert a signature to a normalized lower-S form. |
| secp256k1_ecdsa_sign⚠ | Create an ECDSA signature. |
| secp256k1_ec_seckey_verify⚠ | Verify an ECDSA secret key. |
| secp256k1_ec_pubkey_create⚠ | Compute the public key for a secret key. |
| secp256k1_ec_privkey_negate⚠ | Negates a private key in place. |
| secp256k1_ec_pubkey_negate⚠ | Negates a public key in place. |
| secp256k1_ec_privkey_tweak_add⚠ | Tweak a private key by adding tweak to it. Returns: 0 if the tweak was out of range (chance of around 1 in 2^128 for uniformly random 32-byte arrays, or if the resulting private key would be invalid (only when the tweak is the complement of the private key). 1 otherwise. Args: ctx: pointer to a context object (cannot be NULL). In/Out: seckey: pointer to a 32-byte private key. In: tweak: pointer to a 32-byte tweak. |
| secp256k1_ec_pubkey_tweak_add⚠ | Tweak a public key by adding tweak times the generator to it. Returns: 0 if the tweak was out of range (chance of around 1 in 2^128 for uniformly random 32-byte arrays, or if the resulting public key would be invalid (only when the tweak is the complement of the corresponding private key). 1 otherwise. Args: ctx: pointer to a context object initialized for validation (cannot be NULL). In/Out: pubkey: pointer to a public key object. In: tweak: pointer to a 32-byte tweak. |
| secp256k1_ec_privkey_tweak_mul⚠ | Tweak a private key by multiplying it by a tweak. Returns: 0 if the tweak was out of range (chance of around 1 in 2^128 for uniformly random 32-byte arrays, or equal to zero. 1 otherwise. Args: ctx: pointer to a context object (cannot be NULL). In/Out: seckey: pointer to a 32-byte private key. In: tweak: pointer to a 32-byte tweak. |
| secp256k1_ec_pubkey_tweak_mul⚠ | Tweak a public key by multiplying it by a tweak value. Returns: 0 if the tweak was out of range (chance of around 1 in 2^128 for uniformly random 32-byte arrays, or equal to zero. 1 otherwise. Args: ctx: pointer to a context object initialized for validation (cannot be NULL). In/Out: pubkey: pointer to a public key obkect. In: tweak: pointer to a 32-byte tweak. |
| secp256k1_context_randomize⚠ | Updates the context randomization to protect against side-channel leakage. Returns: 1: randomization successfully updated 0: error Args: ctx: pointer to a context object (cannot be NULL) In: seed32: pointer to a 32-byte random seed (NULL resets to initial state) |
| secp256k1_ec_pubkey_combine⚠ | Add a number of public keys together. Returns: 1: the sum of the public keys is valid. 0: the sum of the public keys is not valid. Args: ctx: pointer to a context object Out: out: pointer to a public key object for placing the resulting public key (cannot be NULL) In: ins: pointer to array of pointers to public keys (cannot be NULL) n: the number of public keys to add together (must be at least 1) |
| secp256k1_ecdh⚠ | Compute an EC Diffie-Hellman secret in constant time Returns: 1: exponentiation was successful 0: scalar was invalid (zero or overflow) Args: ctx: pointer to a context object (cannot be NULL) Out: result: a 32-byte array which will be populated by an ECDH secret computed from the point and scalar In: pubkey: a pointer to a secp256k1_pubkey containing an initialized public key privkey: a 32-byte scalar with which to multiply the point |
| secp256k1_multiset_init⚠ | Initialize a multiset The resulting multiset the multiset for no data elements |
| secp256k1_multiset_add⚠ | Adds an element to a multiset from single data element |
| secp256k1_multiset_remove⚠ | Removes an element from a multiset |
| secp256k1_multiset_combine⚠ | Combines two multisets |
| secp256k1_multiset_finalize⚠ | Converts a multiset to a hash |
| secp256k1_ecdsa_recoverable_signature_parse_compact⚠ | Parse a compact ECDSA signature (64 bytes + recovery id). |
| secp256k1_ecdsa_recoverable_signature_convert⚠ | Convert a recoverable signature into a normal signature. |
| secp256k1_ecdsa_recoverable_signature_serialize_compact⚠ | Serialize an ECDSA signature in compact format (64 bytes + recovery id). |
| secp256k1_ecdsa_sign_recoverable⚠ | Create a recoverable ECDSA signature. |
| secp256k1_ecdsa_recover⚠ | Recover an ECDSA public key from a signature. |
| secp256k1_schnorr_verify⚠ | Verify a signature created by secp256k1_schnorr_sign. Returns: 1: correct signature 0: incorrect signature Args: ctx: a secp256k1 context object, initialized for verification. In: sig64: the 64-byte signature being verified (cannot be NULL) msg32: the 32-byte message hash being verified (cannot be NULL) pubkey: the public key to verify with (cannot be NULL) |
| secp256k1_schnorr_sign⚠ | Create a signature using a custom EC-Schnorr-SHA256 construction. It produces non-malleable 64-byte signatures which support batch validation, and multiparty signing. Returns: 1: signature created 0: the nonce generation function failed, or the private key was invalid. Args: ctx: pointer to a context object, initialized for signing (cannot be NULL) Out: sig64: pointer to a 64-byte array where the signature will be placed (cannot be NULL) In: msg32: the 32-byte message hash being signed (cannot be NULL) seckey: pointer to a 32-byte secret key (cannot be NULL) noncefp:pointer to a nonce generation function. If NULL, secp256k1_nonce_function_default is used ndata: pointer to arbitrary data used by the nonce generation function (can be NULL) |
Type Definitions
| max_align_t | |
| secp256k1_context | Opaque data structure that holds context information (precomputed tables etc.). |
| secp256k1_nonce_function | A pointer to a function to deterministically generate a nonce. |
| wchar_t |