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class="theme-doc-markdown markdown"><header><h1>ECDH</h1></header><a name="ECDH"></a><h2 class="anchor anchorWithStickyNavbar_LWe7" id="ecdh">ECDH<a class="hash-link" href="#ecdh" title="Direct link to heading"></a></h2><p><strong>Kind</strong>: global class<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code> </p><ul><li><a href="#ECDH">ECDH</a><ul><li><a href="#new_ECDH_new">new ECDH()</a></li><li><a href="#ECDH.inttobytes">.inttobytes()</a> ⇒</li><li><a href="#ECDH.bytestostring">.bytestostring()</a> ⇒</li><li><a href="#ECDH.stringtobytes">.stringtobytes()</a> ⇒</li><li><a href="#ECDH.hashit">.hashit()</a> ⇒</li><li><a href="#ECDH.KDF2">.KDF2()</a> ⇒</li><li><a href="#ECDH.PBKDF2">.PBKDF2()</a> ⇒</li><li><a href="#ECDH.HMAC">.HMAC()</a> ⇒</li><li><a href="#ECDH.AES_CBC_IV0_ENCRYPT">.AES_CBC_IV0_ENCRYPT()</a> ⇒</li><li><a href="#ECDH.AES_CBC_IV0_DECRYPT">.AES_CBC_IV0_DECRYPT()</a> ⇒</li><li><a href="#ECDH.KEY_PAIR_GENERATE">.KEY_PAIR_GENERATE()</a> ⇒</li><li><a href="#ECDH.PUBLIC_KEY_VALIDATE">.PUBLIC_KEY_VALIDATE()</a> ⇒</li><li><a href="#ECDH.ECPSVDP_DH">.ECPSVDP_DH()</a> ⇒</li><li><a href="#ECDH.ECPSP_DSA">.ECPSP_DSA()</a> ⇒</li><li><a href="#ECDH.ECPVP_DSA">.ECPVP_DSA()</a> ⇒</li><li><a href="#ECDH.ECIES_ENCRYPT">.ECIES_ENCRYPT()</a> ⇒</li><li><a href="#ECDH.ECIES_DECRYPT">.ECIES_DECRYPT()</a> ⇒</li></ul></li></ul><a name="new_ECDH_new"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="new-ecdh">new ECDH()<a class="hash-link" href="#new-ecdh" title="Direct link to heading"></a></h3><p>Creates an instance of ECDH</p><a name="ECDH.inttobytes"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhinttobytes-">ECDH.inttobytes() ⇒<a class="hash-link" href="#ecdhinttobytes-" title="Direct link to heading"></a></h3><p>Convert Integer to n-byte array</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: byte array<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: n integer<br> |
| <strong>Parameter</strong>: len integer length </p><a name="ECDH.bytestostring"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhbytestostring-">ECDH.bytestostring() ⇒<a class="hash-link" href="#ecdhbytestostring-" title="Direct link to heading"></a></h3><p>Convert byte array to string</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: string<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: b byte array </p><a name="ECDH.stringtobytes"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhstringtobytes-">ECDH.stringtobytes() ⇒<a class="hash-link" href="#ecdhstringtobytes-" title="Direct link to heading"></a></h3><p>Convert string to byte array</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: byte array<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: s string </p><a name="ECDH.hashit"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhhashit-">ECDH.hashit() ⇒<a class="hash-link" href="#ecdhhashit-" title="Direct link to heading"></a></h3><p>general purpose hash function w=hash(B|n)</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: w output<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: sha is the hash type<br> |
| <strong>Parameter</strong>: A byte array involved in the hash<br> |
| <strong>Parameter</strong>: n integer involved in the hash<br> |
| <strong>Parameter</strong>: pad padding </p><a name="ECDH.KDF2"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhkdf2-">ECDH.KDF2() ⇒<a class="hash-link" href="#ecdhkdf2-" title="Direct link to heading"></a></h3><p>IEEE-1363 Key Derivation Function - generates key K from inputs Z and P</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: K derived key<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: sha is the hash type<br> |
| <strong>Parameter</strong>: Z input byte array<br> |
| <strong>Parameter</strong>: P input key derivation parameters - can be NULL<br> |
| <strong>Parameter</strong>: 0len is output desired length of key </p><a name="ECDH.PBKDF2"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhpbkdf2-">ECDH.PBKDF2() ⇒<a class="hash-link" href="#ecdhpbkdf2-" title="Direct link to heading"></a></h3><p>Password Based Key Derivation Function - generates key K from password, salt and repeat counter</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: key derived key<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: sha is the hash type<br> |
| <strong>Parameter</strong>: Pass input password<br> |
| <strong>Parameter</strong>: Salt salt value<br> |
| <strong>Parameter</strong>: rep Number of times to be iterated.<br> |
| <strong>Parameter</strong>: 0len is output desired length of key </p><a name="ECDH.HMAC"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhhmac-">ECDH.HMAC() ⇒<a class="hash-link" href="#ecdhhmac-" title="Direct link to heading"></a></h3><p>HMAC of message M using key K to create tag of length tag.length</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: error code<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: sha is the hash type<br> |
| <strong>Parameter</strong>: M input message<br> |
| <strong>Parameter</strong>: K input encryption key<br> |
| <strong>Parameter</strong>: tag is the output HMAC </p><a name="ECDH.AES_CBC_IV0_ENCRYPT"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhaes_cbc_iv0_encrypt-">ECDH.AES_CBC_IV0_ENCRYPT() ⇒<a class="hash-link" href="#ecdhaes_cbc_iv0_encrypt-" title="Direct link to heading"></a></h3><p>AES encrypts a plaintext to a ciphtertext</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: C Ciphertext<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: M input message<br> |
| <strong>Parameter</strong>: K AES key </p><a name="ECDH.AES_CBC_IV0_DECRYPT"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhaes_cbc_iv0_decrypt-">ECDH.AES_CBC_IV0_DECRYPT() ⇒<a class="hash-link" href="#ecdhaes_cbc_iv0_decrypt-" title="Direct link to heading"></a></h3><p>AES encrypts a plaintext to a ciphtertext</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: P Plaintext<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: C Ciphertext<br> |
| <strong>Parameter</strong>: K AES key </p><a name="ECDH.KEY_PAIR_GENERATE"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhkey_pair_generate-">ECDH.KEY_PAIR_GENERATE() ⇒<a class="hash-link" href="#ecdhkey_pair_generate-" title="Direct link to heading"></a></h3><p>Generate an ECC public/private key pair</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: 0 or an error code<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: rng Cryptographically Secure Random Number Generator<br> |
| <strong>Parameter</strong>: S the private key<br> |
| <strong>Parameter</strong>: W the output public key, which is s.G, where G is a fixed generator </p><a name="ECDH.PUBLIC_KEY_VALIDATE"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhpublic_key_validate-">ECDH.PUBLIC_KEY_VALIDATE() ⇒<a class="hash-link" href="#ecdhpublic_key_validate-" title="Direct link to heading"></a></h3><p>Generate an ECC public/private key pair</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: 0 or an error code<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: W the input public key to be validated </p><a name="ECDH.ECPSVDP_DH"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhecpsvdp_dh-">ECDH.ECPSVDP_DH() ⇒<a class="hash-link" href="#ecdhecpsvdp_dh-" title="Direct link to heading"></a></h3><p>Generate Diffie-Hellman shared key</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: 0 or an error code<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: S the private key<br> |
| <strong>Parameter</strong>: W the output public key, which is s.G, where G is a fixed generator<br> |
| <strong>Parameter</strong>: K the output shared key, in fact the x-coordinate of s.W </p><a name="ECDH.ECPSP_DSA"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhecpsp_dsa-">ECDH.ECPSP_DSA() ⇒<a class="hash-link" href="#ecdhecpsp_dsa-" title="Direct link to heading"></a></h3><p>ECDSA Signature</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: 0 or an error code<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: sha is the hash type<br> |
| <strong>Parameter</strong>: RNG Cryptographically Secure Random Number Generator<br> |
| <strong>Parameter</strong>: S the private key<br> |
| <strong>Parameter</strong>: F the input message to be signed<br> |
| <strong>Parameter</strong>: C component of the output signature<br> |
| <strong>Parameter</strong>: D component of the output signature </p><a name="ECDH.ECPVP_DSA"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhecpvp_dsa-">ECDH.ECPVP_DSA() ⇒<a class="hash-link" href="#ecdhecpvp_dsa-" title="Direct link to heading"></a></h3><p>ECDSA Signature Verification</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: 0 or an error code<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: sha is the hash type<br> |
| <strong>Parameter</strong>: W the public key<br> |
| <strong>Parameter</strong>: F the input message to be signed<br> |
| <strong>Parameter</strong>: C component of the output signature<br> |
| <strong>Parameter</strong>: D component of the output signature </p><a name="ECDH.ECIES_ENCRYPT"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhecies_encrypt-">ECDH.ECIES_ENCRYPT() ⇒<a class="hash-link" href="#ecdhecies_encrypt-" title="Direct link to heading"></a></h3><p>ECIES Encryption</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: C ciphertext<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: sha is the hash type<br> |
| <strong>Parameter</strong>: P1 input Key Derivation parameters<br> |
| <strong>Parameter</strong>: P2 input Encoding parameters<br> |
| <strong>Parameter</strong>: RNG Cryptographically Secure Random Number Generator<br> |
| <strong>Parameter</strong>: W the public key<br> |
| <strong>Parameter</strong>: M the input message to be encrypted<br> |
| <strong>Parameter</strong>: V component of the output ciphertext<br> |
| <strong>Parameter</strong>: T the output HMAC tag, part of the ciphertext </p><a name="ECDH.ECIES_DECRYPT"></a><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ecdhecies_decrypt-">ECDH.ECIES_DECRYPT() ⇒<a class="hash-link" href="#ecdhecies_decrypt-" title="Direct link to heading"></a></h3><p>ECIES Encryption</p><p><strong>Kind</strong>: static method of <a href="#ECDH"><code>ECDH</code></a><br> |
| <strong>Returns</strong>: M plaintext<br> |
| <strong>this</strong>: <code>{"{"}ECDH{"}"}</code><br> |
| <strong>Parameter</strong>: sha is the hash type<br> |
| <strong>Parameter</strong>: P1 input Key Derivation parameters<br> |
| <strong>Parameter</strong>: P2 input Encoding parameters<br> |
| <strong>Parameter</strong>: V component of the output ciphertext<br> |
| <strong>Parameter</strong>: C Ciphertext<br> |
| <strong>Parameter</strong>: T the output HMAC tag, part of the ciphertext<br> |
| <strong>Parameter</strong>: U the private key</p></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><a class="pagination-nav__link pagination-nav__link--prev" href="/docs/cryptojs/dbig"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">DBIG</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/docs/cryptojs/ecp"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">ECP</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#ecdh" class="table-of-contents__link toc-highlight">ECDH</a><ul><li><a href="#new-ecdh" class="table-of-contents__link toc-highlight">new ECDH()</a></li><li><a href="#ecdhinttobytes-" class="table-of-contents__link toc-highlight">ECDH.inttobytes() ⇒</a></li><li><a href="#ecdhbytestostring-" class="table-of-contents__link toc-highlight">ECDH.bytestostring() ⇒</a></li><li><a href="#ecdhstringtobytes-" class="table-of-contents__link toc-highlight">ECDH.stringtobytes() ⇒</a></li><li><a href="#ecdhhashit-" class="table-of-contents__link toc-highlight">ECDH.hashit() ⇒</a></li><li><a href="#ecdhkdf2-" class="table-of-contents__link toc-highlight">ECDH.KDF2() ⇒</a></li><li><a href="#ecdhpbkdf2-" class="table-of-contents__link toc-highlight">ECDH.PBKDF2() ⇒</a></li><li><a href="#ecdhhmac-" class="table-of-contents__link toc-highlight">ECDH.HMAC() ⇒</a></li><li><a href="#ecdhaes_cbc_iv0_encrypt-" class="table-of-contents__link toc-highlight">ECDH.AES_CBC_IV0_ENCRYPT() ⇒</a></li><li><a href="#ecdhaes_cbc_iv0_decrypt-" class="table-of-contents__link toc-highlight">ECDH.AES_CBC_IV0_DECRYPT() ⇒</a></li><li><a href="#ecdhkey_pair_generate-" class="table-of-contents__link toc-highlight">ECDH.KEY_PAIR_GENERATE() ⇒</a></li><li><a href="#ecdhpublic_key_validate-" class="table-of-contents__link toc-highlight">ECDH.PUBLIC_KEY_VALIDATE() ⇒</a></li><li><a href="#ecdhecpsvdp_dh-" class="table-of-contents__link toc-highlight">ECDH.ECPSVDP_DH() ⇒</a></li><li><a href="#ecdhecpsp_dsa-" class="table-of-contents__link toc-highlight">ECDH.ECPSP_DSA() ⇒</a></li><li><a href="#ecdhecpvp_dsa-" class="table-of-contents__link toc-highlight">ECDH.ECPVP_DSA() ⇒</a></li><li><a href="#ecdhecies_encrypt-" class="table-of-contents__link toc-highlight">ECDH.ECIES_ENCRYPT() ⇒</a></li><li><a href="#ecdhecies_decrypt-" class="table-of-contents__link toc-highlight">ECDH.ECIES_DECRYPT() ⇒</a></li></ul></li></ul></div></div></div></div></main></div></div><footer class="footer"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="margin-bottom--sm"><img src="/img/milagro.svg" class="themedImage_ToTc themedImage--light_HNdA footer__logo"><img src="/img/milagro.svg" class="themedImage_ToTc themedImage--dark_i4oU footer__logo"></div><div class="footer__copyright">Copyright © 2022 The Apache Software Foundation. Apache Milagro, Milagro, Apache, the Apache feather, and the Apache Milagro project logo are either registered trademarks or trademarks of the Apache Software Foundation.</div></div></div></footer></div> |
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