# destack:crypto/binding `import destack:crypto/binding` ## Structs - [CryptoAesKeyShape](/docs/language/standard-library/modules/crypto/binding/struct/crypto-aes-key-shape/) — AES key shape. - [CryptoAgreementBits](/docs/language/standard-library/modules/crypto/binding/struct/crypto-agreement-bits/) — Key-agreement raw byte request. - [CryptoAgreementHkdf](/docs/language/standard-library/modules/crypto/binding/struct/crypto-agreement-hkdf/) — Key-agreement HKDF derivation. - [CryptoAgreementSp80056aConcat](/docs/language/standard-library/modules/crypto/binding/struct/crypto-agreement-sp80056a-concat/) — Key-agreement SP 800-56A concat derivation. - [CryptoAgreementX942Concat](/docs/language/standard-library/modules/crypto/binding/struct/crypto-agreement-x942-concat/) — Key-agreement X9.42 concat derivation. - [CryptoAgreementX963](/docs/language/standard-library/modules/crypto/binding/struct/crypto-agreement-x963/) — Key-agreement X9.63 derivation. - [CryptoArgon2id](/docs/language/standard-library/modules/crypto/binding/struct/crypto-argon2id/) — Argon2id derivation. - [CryptoAsymmetricEncryptionParameters](/docs/language/standard-library/modules/crypto/binding/struct/crypto-asymmetric-encryption-parameters/) — Asymmetric encryption parameters. - [CryptoCertificateDescriptor](/docs/language/standard-library/modules/crypto/binding/struct/crypto-certificate-descriptor/) — Certificate descriptor. - [CryptoCertificateIdentity](/docs/language/standard-library/modules/crypto/binding/struct/crypto-certificate-identity/) — Certificate identity used during verification. - [CryptoCertificateListEntry](/docs/language/standard-library/modules/crypto/binding/struct/crypto-certificate-list-entry/) — Certificate list entry. - [CryptoCertificateListPage](/docs/language/standard-library/modules/crypto/binding/struct/crypto-certificate-list-page/) — Certificate list page. - [CryptoCertificateQuery](/docs/language/standard-library/modules/crypto/binding/struct/crypto-certificate-query/) — Certificate query. - [CryptoCertificateValidity](/docs/language/standard-library/modules/crypto/binding/struct/crypto-certificate-validity/) — Certificate validity window. - [CryptoCertificateVerifyRequest](/docs/language/standard-library/modules/crypto/binding/struct/crypto-certificate-verify-request/) — Certificate chain verify request. - [CryptoCertificateVerifyResult](/docs/language/standard-library/modules/crypto/binding/struct/crypto-certificate-verify-result/) — Certificate chain verify result. - [CryptoChaCha20KeyShape](/docs/language/standard-library/modules/crypto/binding/struct/crypto-cha-cha20-key-shape/) — ChaCha20 key shape. - [CryptoCipherOutput](/docs/language/standard-library/modules/crypto/binding/struct/crypto-cipher-output/) — Cipher output. - [CryptoCipherParameters](/docs/language/standard-library/modules/crypto/binding/struct/crypto-cipher-parameters/) — Cipher parameters. - [CryptoDerivedKey](/docs/language/standard-library/modules/crypto/binding/struct/crypto-derived-key/) — Output key requested from a derivation operation. - [CryptoEcKeyShape](/docs/language/standard-library/modules/crypto/binding/struct/crypto-ec-key-shape/) — Elliptic-curve key shape. - [CryptoEd25519KeyShape](/docs/language/standard-library/modules/crypto/binding/struct/crypto-ed25519-key-shape/) — Ed25519 key shape. - [CryptoEd448KeyShape](/docs/language/standard-library/modules/crypto/binding/struct/crypto-ed448-key-shape/) — Ed448 key shape. - [CryptoHkdf](/docs/language/standard-library/modules/crypto/binding/struct/crypto-hkdf/) — HKDF derivation. - [CryptoHmacKeyShape](/docs/language/standard-library/modules/crypto/binding/struct/crypto-hmac-key-shape/) — HMAC key shape. - [CryptoKdfBits](/docs/language/standard-library/modules/crypto/binding/struct/crypto-kdf-bits/) — Key derivation raw byte request. - [CryptoKeyDescriptor](/docs/language/standard-library/modules/crypto/binding/struct/crypto-key-descriptor/) — Key descriptor. - [CryptoKeyImport](/docs/language/standard-library/modules/crypto/binding/struct/crypto-key-import/) — Key import request. - [CryptoKeyListEntry](/docs/language/standard-library/modules/crypto/binding/struct/crypto-key-list-entry/) — Key list entry. - [CryptoKeyListPage](/docs/language/standard-library/modules/crypto/binding/struct/crypto-key-list-page/) — Key list page. - [CryptoKeyPair](/docs/language/standard-library/modules/crypto/binding/struct/crypto-key-pair/) — Generated key pair. - [CryptoKeyPolicy](/docs/language/standard-library/modules/crypto/binding/struct/crypto-key-policy/) — Key storage and usage policy. - [CryptoKeyQuery](/docs/language/standard-library/modules/crypto/binding/struct/crypto-key-query/) — Key query. - [CryptoKeyWrapParameters](/docs/language/standard-library/modules/crypto/binding/struct/crypto-key-wrap-parameters/) — Key-wrap parameters. - [CryptoMacParameters](/docs/language/standard-library/modules/crypto/binding/struct/crypto-mac-parameters/) — MAC parameters. - [CryptoPbkdf2](/docs/language/standard-library/modules/crypto/binding/struct/crypto-pbkdf2/) — PBKDF2 derivation. - [CryptoPrivateKeyExport](/docs/language/standard-library/modules/crypto/binding/struct/crypto-private-key-export/) — Private-key export request. - [CryptoProviderCapability](/docs/language/standard-library/modules/crypto/binding/struct/crypto-provider-capability/) — Crypto provider capability. - [CryptoRsaKeyShape](/docs/language/standard-library/modules/crypto/binding/struct/crypto-rsa-key-shape/) — RSA key shape. - [CryptoScrypt](/docs/language/standard-library/modules/crypto/binding/struct/crypto-scrypt/) — scrypt derivation. - [CryptoSignatureParameters](/docs/language/standard-library/modules/crypto/binding/struct/crypto-signature-parameters/) — Signature parameters. - [CryptoSp800108Counter](/docs/language/standard-library/modules/crypto/binding/struct/crypto-sp800108-counter/) — SP 800-108 counter-mode derivation. - [CryptoSp80056aConcat](/docs/language/standard-library/modules/crypto/binding/struct/crypto-sp80056a-concat/) — SP 800-56A concat derivation. - [CryptoStoreIdentity](/docs/language/standard-library/modules/crypto/binding/struct/crypto-store-identity/) — Crypto store identity. - [CryptoStoreOptions](/docs/language/standard-library/modules/crypto/binding/struct/crypto-store-options/) — Crypto store options. - [CryptoTls12Prf](/docs/language/standard-library/modules/crypto/binding/struct/crypto-tls12-prf/) — TLS 1.2 PRF derivation. - [CryptoX25519KeyShape](/docs/language/standard-library/modules/crypto/binding/struct/crypto-x25519-key-shape/) — X25519 key shape. - [CryptoX448KeyShape](/docs/language/standard-library/modules/crypto/binding/struct/crypto-x448-key-shape/) — X448 key shape. - [CryptoX942Concat](/docs/language/standard-library/modules/crypto/binding/struct/crypto-x942-concat/) — X9.42 concat derivation. - [CryptoX963](/docs/language/standard-library/modules/crypto/binding/struct/crypto-x963/) — X9.63 derivation. ## Enums - [CryptoAsymmetricEncryptionAlgorithm](/docs/language/standard-library/modules/crypto/binding/enum/crypto-asymmetric-encryption-algorithm/) — Asymmetric encryption algorithm selector. - [CryptoCertificateFormat](/docs/language/standard-library/modules/crypto/binding/enum/crypto-certificate-format/) — Certificate encoding format. - [CryptoCertificateIdentityKind](/docs/language/standard-library/modules/crypto/binding/enum/crypto-certificate-identity-kind/) — Certificate identity kind. - [CryptoCertificatePurpose](/docs/language/standard-library/modules/crypto/binding/enum/crypto-certificate-purpose/) — Certificate verification purpose. - [CryptoCertificateRevocationMode](/docs/language/standard-library/modules/crypto/binding/enum/crypto-certificate-revocation-mode/) — Revocation policy for certificate verification. - [CryptoCertificateVerifyError](/docs/language/standard-library/modules/crypto/binding/enum/crypto-certificate-verify-error/) — Certificate verification error. - [CryptoCipherAlgorithm](/docs/language/standard-library/modules/crypto/binding/enum/crypto-cipher-algorithm/) — Symmetric encryption algorithm selector. - [CryptoCipherDirection](/docs/language/standard-library/modules/crypto/binding/enum/crypto-cipher-direction/) — Cipher direction. - [CryptoDigestAlgorithm](/docs/language/standard-library/modules/crypto/binding/enum/crypto-digest-algorithm/) — Digest algorithm selector. - [CryptoKdfAlgorithm](/docs/language/standard-library/modules/crypto/binding/enum/crypto-kdf-algorithm/) — Key-derivation algorithm selector. - [CryptoKeyAgreementAlgorithm](/docs/language/standard-library/modules/crypto/binding/enum/crypto-key-agreement-algorithm/) — Key agreement algorithm selector. - [CryptoKeyAlgorithm](/docs/language/standard-library/modules/crypto/binding/enum/crypto-key-algorithm/) — Key algorithm family. - [CryptoKeyFormat](/docs/language/standard-library/modules/crypto/binding/enum/crypto-key-format/) — Key material format. - [CryptoKeyKind](/docs/language/standard-library/modules/crypto/binding/enum/crypto-key-kind/) — Key object kind. - [CryptoKeyResidency](/docs/language/standard-library/modules/crypto/binding/enum/crypto-key-residency/) — Key material residency. - [CryptoKeyWrapAlgorithm](/docs/language/standard-library/modules/crypto/binding/enum/crypto-key-wrap-algorithm/) — Key wrap algorithm selector. - [CryptoMacAlgorithm](/docs/language/standard-library/modules/crypto/binding/enum/crypto-mac-algorithm/) — Message authentication algorithm selector. - [CryptoNamedCurve](/docs/language/standard-library/modules/crypto/binding/enum/crypto-named-curve/) — Named curve selector. - [CryptoSignatureAlgorithm](/docs/language/standard-library/modules/crypto/binding/enum/crypto-signature-algorithm/) — Signature algorithm selector. - [CryptoStoreKind](/docs/language/standard-library/modules/crypto/binding/enum/crypto-store-kind/) — Crypto store kind. ## Newtypes - [CryptoAgreementDerivation](/docs/language/standard-library/modules/crypto/binding/newtype/crypto-agreement-derivation/) — Key-agreement derivation. - [CryptoCertificateHandle](/docs/language/standard-library/modules/crypto/binding/newtype/crypto-certificate-handle/) — Handle for one cryptographic certificate object. - [CryptoCertificateKeyUsageFlags](/docs/language/standard-library/modules/crypto/binding/newtype/crypto-certificate-key-usage-flags/) — Certificate key usage flags. - [CryptoCipherHandle](/docs/language/standard-library/modules/crypto/binding/newtype/crypto-cipher-handle/) — Handle for one cryptographic symmetric-cipher context. - [CryptoDigestHandle](/docs/language/standard-library/modules/crypto/binding/newtype/crypto-digest-handle/) — Handle for one cryptographic digest context. - [CryptoKdf](/docs/language/standard-library/modules/crypto/binding/newtype/crypto-kdf/) — Key derivation. - [CryptoKeyHandle](/docs/language/standard-library/modules/crypto/binding/newtype/crypto-key-handle/) — Handle for one cryptographic key object. - [CryptoKeyShape](/docs/language/standard-library/modules/crypto/binding/newtype/crypto-key-shape/) — Key shape for generation, import, and descriptor reads. - [CryptoKeyUsageFlags](/docs/language/standard-library/modules/crypto/binding/newtype/crypto-key-usage-flags/) — Key usage flags. - [CryptoMacHandle](/docs/language/standard-library/modules/crypto/binding/newtype/crypto-mac-handle/) — Handle for one cryptographic message-authentication context. - [CryptoStoreHandle](/docs/language/standard-library/modules/crypto/binding/newtype/crypto-store-handle/) — Handle for one cryptographic key store. ## Interfaces - [CryptoAgreementBinding](/docs/language/standard-library/modules/crypto/binding/interface/crypto-agreement-binding/) — Agreement binding family. - [CryptoBinding](/docs/language/standard-library/modules/crypto/binding/interface/crypto-binding/) — Cryptography binding family. - [CryptoCertificateBinding](/docs/language/standard-library/modules/crypto/binding/interface/crypto-certificate-binding/) — Certificate binding family. - [CryptoCipherBinding](/docs/language/standard-library/modules/crypto/binding/interface/crypto-cipher-binding/) — Cipher binding family. - [CryptoDigestBinding](/docs/language/standard-library/modules/crypto/binding/interface/crypto-digest-binding/) — Digest binding family. - [CryptoKdfBinding](/docs/language/standard-library/modules/crypto/binding/interface/crypto-kdf-binding/) — Kdf binding family. - [CryptoKeyBinding](/docs/language/standard-library/modules/crypto/binding/interface/crypto-key-binding/) — Key binding family. - [CryptoMacBinding](/docs/language/standard-library/modules/crypto/binding/interface/crypto-mac-binding/) — Mac binding family. - [CryptoStoreBinding](/docs/language/standard-library/modules/crypto/binding/interface/crypto-store-binding/) — Store binding family. ## Constants - [crypto](/docs/language/standard-library/modules/crypto/binding/constant/crypto/) — Current cryptography binding family. - [CRYPTO_CERTIFICATE_KEY_USAGE_CERTIFICATE_SIGN](/docs/language/standard-library/modules/crypto/binding/constant/crypto-certificate-key-usage-certificate-sign/) — Certificate key usage: certificate signing. - [CRYPTO_CERTIFICATE_KEY_USAGE_CRL_SIGN](/docs/language/standard-library/modules/crypto/binding/constant/crypto-certificate-key-usage-crl-sign/) — Certificate key usage: CRL signing. - [CRYPTO_CERTIFICATE_KEY_USAGE_DATA_ENCIPHERMENT](/docs/language/standard-library/modules/crypto/binding/constant/crypto-certificate-key-usage-data-encipherment/) — Certificate key usage: data encipherment. - [CRYPTO_CERTIFICATE_KEY_USAGE_DECIPHER_ONLY](/docs/language/standard-library/modules/crypto/binding/constant/crypto-certificate-key-usage-decipher-only/) — Certificate key usage: decipher only. - [CRYPTO_CERTIFICATE_KEY_USAGE_DIGITAL_SIGNATURE](/docs/language/standard-library/modules/crypto/binding/constant/crypto-certificate-key-usage-digital-signature/) — Certificate key usage: digital signature. - [CRYPTO_CERTIFICATE_KEY_USAGE_ENCIPHER_ONLY](/docs/language/standard-library/modules/crypto/binding/constant/crypto-certificate-key-usage-encipher-only/) — Certificate key usage: encipher only. - [CRYPTO_CERTIFICATE_KEY_USAGE_KEY_AGREEMENT](/docs/language/standard-library/modules/crypto/binding/constant/crypto-certificate-key-usage-key-agreement/) — Certificate key usage: key agreement. - [CRYPTO_CERTIFICATE_KEY_USAGE_KEY_ENCIPHERMENT](/docs/language/standard-library/modules/crypto/binding/constant/crypto-certificate-key-usage-key-encipherment/) — Certificate key usage: key encipherment. - [CRYPTO_CERTIFICATE_KEY_USAGE_NON_REPUDIATION](/docs/language/standard-library/modules/crypto/binding/constant/crypto-certificate-key-usage-non-repudiation/) — Certificate key usage: non-repudiation. - [CRYPTO_KEY_USAGE_DECRYPT](/docs/language/standard-library/modules/crypto/binding/constant/crypto-key-usage-decrypt/) — Key usage: decrypt. - [CRYPTO_KEY_USAGE_DERIVE_BITS](/docs/language/standard-library/modules/crypto/binding/constant/crypto-key-usage-derive-bits/) — Key usage: derive bits. - [CRYPTO_KEY_USAGE_DERIVE_KEY](/docs/language/standard-library/modules/crypto/binding/constant/crypto-key-usage-derive-key/) — Key usage: derive key. - [CRYPTO_KEY_USAGE_ENCRYPT](/docs/language/standard-library/modules/crypto/binding/constant/crypto-key-usage-encrypt/) — Key usage: encrypt. - [CRYPTO_KEY_USAGE_EXPORT](/docs/language/standard-library/modules/crypto/binding/constant/crypto-key-usage-export/) — Key usage: export. - [CRYPTO_KEY_USAGE_SIGN](/docs/language/standard-library/modules/crypto/binding/constant/crypto-key-usage-sign/) — Key usage: sign. - [CRYPTO_KEY_USAGE_UNWRAP](/docs/language/standard-library/modules/crypto/binding/constant/crypto-key-usage-unwrap/) — Key usage: unwrap. - [CRYPTO_KEY_USAGE_VERIFY](/docs/language/standard-library/modules/crypto/binding/constant/crypto-key-usage-verify/) — Key usage: verify. - [CRYPTO_KEY_USAGE_WRAP](/docs/language/standard-library/modules/crypto/binding/constant/crypto-key-usage-wrap/) — Key usage: wrap.