diff --git a/Cargo.lock b/Cargo.lock
index 352ca751067ac5..ddd92ea833813a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -243,6 +243,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce"
 
+[[package]]
+name = "base16ct"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
+
 [[package]]
 name = "base32"
 version = "0.4.0"
@@ -595,6 +601,18 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "crypto-bigint"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf4c2f4e1afd912bc40bfd6fed5d9dc1f288e0ba01bfcc835cc5bc3eb13efe15"
+dependencies = [
+ "generic-array 0.14.6",
+ "rand_core 0.6.4",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "crypto-common"
 version = "0.1.6"
@@ -877,15 +895,15 @@ dependencies = [
  "curve25519-dalek 2.1.3",
  "deno_core",
  "deno_web",
- "elliptic-curve",
+ "elliptic-curve 0.12.3",
  "num-traits",
  "once_cell",
- "p256",
- "p384",
+ "p256 0.11.1",
+ "p384 0.11.2",
  "rand",
  "ring",
  "rsa",
- "sec1",
+ "sec1 0.3.0",
  "serde",
  "serde_bytes",
  "sha1",
@@ -1137,6 +1155,7 @@ dependencies = [
  "digest 0.10.6",
  "dsa",
  "ecb",
+ "elliptic-curve 0.13.4",
  "hex",
  "hkdf",
  "idna 0.3.0",
@@ -1150,6 +1169,9 @@ dependencies = [
  "num-integer",
  "num-traits",
  "once_cell",
+ "p224",
+ "p256 0.13.2",
+ "p384 0.13.0",
  "path-clean",
  "pbkdf2",
  "rand",
@@ -1158,6 +1180,7 @@ dependencies = [
  "ripemd",
  "rsa",
  "scrypt",
+ "secp256k1",
  "serde",
  "sha-1",
  "sha2",
@@ -1371,7 +1394,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1a467a65c5e759bce6e65eaf91cc29f466cdc57cb65777bd646872a8a1fd4de"
 dependencies = [
  "const-oid",
- "pem-rfc7468",
+ "pem-rfc7468 0.6.0",
  "zeroize",
 ]
 
@@ -1382,6 +1405,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "82b10af9f9f9f2134a42d3f8aa74658660f2e0234b0eb81bd171df8aa32779ed"
 dependencies = [
  "const-oid",
+ "pem-rfc7468 0.7.0",
  "zeroize",
 ]
 
@@ -1628,11 +1652,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "413301934810f597c1d19ca71c8710e99a3f1ba28a0d2ebc01551a2daeea3c5c"
 dependencies = [
  "der 0.6.1",
- "elliptic-curve",
+ "elliptic-curve 0.12.3",
  "rfc6979 0.3.1",
  "signature 1.6.4",
 ]
 
+[[package]]
+name = "ecdsa"
+version = "0.16.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a48e5d537b8a30c0b023116d981b16334be1485af7ca68db3a2b7024cbc957fd"
+dependencies = [
+ "der 0.7.3",
+ "digest 0.10.6",
+ "elliptic-curve 0.13.4",
+ "rfc6979 0.4.0",
+ "signature 2.1.0",
+]
+
 [[package]]
 name = "either"
 version = "1.8.1"
@@ -1645,18 +1682,39 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7bb888ab5300a19b8e5bceef25ac745ad065f3c9f7efc6de1b91958110891d3"
 dependencies = [
- "base16ct",
- "crypto-bigint",
+ "base16ct 0.1.1",
+ "crypto-bigint 0.4.9",
  "der 0.6.1",
  "digest 0.10.6",
- "ff",
+ "ff 0.12.1",
  "generic-array 0.14.6",
- "group",
+ "group 0.12.1",
  "hkdf",
- "pem-rfc7468",
+ "pem-rfc7468 0.6.0",
  "pkcs8 0.9.0",
  "rand_core 0.6.4",
- "sec1",
+ "sec1 0.3.0",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "elliptic-curve"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75c71eaa367f2e5d556414a8eea812bc62985c879748d6403edabd9cb03f16e7"
+dependencies = [
+ "base16ct 0.2.0",
+ "crypto-bigint 0.5.2",
+ "digest 0.10.6",
+ "ff 0.13.0",
+ "generic-array 0.14.6",
+ "group 0.13.0",
+ "hkdf",
+ "pem-rfc7468 0.7.0",
+ "pkcs8 0.10.2",
+ "rand_core 0.6.4",
+ "sec1 0.7.1",
  "subtle",
  "zeroize",
 ]
@@ -1828,6 +1886,16 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "ff"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
+dependencies = [
+ "rand_core 0.6.4",
+ "subtle",
+]
+
 [[package]]
 name = "filetime"
 version = "0.2.20"
@@ -2051,6 +2119,7 @@ checksum = "bff49e947297f3312447abdca79f45f4738097cc82b06e72054d2223f601f1b9"
 dependencies = [
  "typenum",
  "version_check",
+ "zeroize",
 ]
 
 [[package]]
@@ -2106,7 +2175,18 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5dfbfb3a6cfbd390d5c9564ab283a0349b9b9fcd46a706c1eb10e0db70bfbac7"
 dependencies = [
- "ff",
+ "ff 0.12.1",
+ "rand_core 0.6.4",
+ "subtle",
+]
+
+[[package]]
+name = "group"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
+dependencies = [
+ "ff 0.13.0",
  "rand_core 0.6.4",
  "subtle",
 ]
@@ -3123,14 +3203,38 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4030760ffd992bef45b0ae3f10ce1aba99e33464c90d14dd7c039884963ddc7a"
 
+[[package]]
+name = "p224"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30c06436d66652bc2f01ade021592c80a2aad401570a18aa18b82e440d2b9aa1"
+dependencies = [
+ "ecdsa 0.16.6",
+ "elliptic-curve 0.13.4",
+ "primeorder",
+ "sha2",
+]
+
 [[package]]
 name = "p256"
 version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51f44edd08f51e2ade572f141051021c5af22677e42b7dd28a88155151c33594"
 dependencies = [
- "ecdsa",
- "elliptic-curve",
+ "ecdsa 0.14.8",
+ "elliptic-curve 0.12.3",
+ "sha2",
+]
+
+[[package]]
+name = "p256"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9863ad85fa8f4460f9c48cb909d38a0d689dba1f6f6988a5e3e0d31071bcd4b"
+dependencies = [
+ "ecdsa 0.16.6",
+ "elliptic-curve 0.13.4",
+ "primeorder",
  "sha2",
 ]
 
@@ -3140,8 +3244,20 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dfc8c5bf642dde52bb9e87c0ecd8ca5a76faac2eeed98dedb7c717997e1080aa"
 dependencies = [
- "ecdsa",
- "elliptic-curve",
+ "ecdsa 0.14.8",
+ "elliptic-curve 0.12.3",
+ "sha2",
+]
+
+[[package]]
+name = "p384"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70786f51bcc69f6a4c0360e063a4cac5419ef7c5cd5b3c99ad70f3be5ba79209"
+dependencies = [
+ "ecdsa 0.16.6",
+ "elliptic-curve 0.13.4",
+ "primeorder",
  "sha2",
 ]
 
@@ -3244,6 +3360,15 @@ dependencies = [
  "base64ct",
 ]
 
+[[package]]
+name = "pem-rfc7468"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88b39c9bfcfc231068454382784bb460aae594343fb030d46e9f50a645418412"
+dependencies = [
+ "base64ct",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "2.2.0"
@@ -3431,6 +3556,15 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "primeorder"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf8d3875361e28f7753baefef104386e7aa47642c93023356d97fdef4003bfb5"
+dependencies = [
+ "elliptic-curve 0.13.4",
+]
+
 [[package]]
 name = "proc-macro-crate"
 version = "1.3.1"
@@ -3689,7 +3823,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7743f17af12fa0b03b803ba12cd6a8d9483a587e89c69445e3909655c0b9fabb"
 dependencies = [
- "crypto-bigint",
+ "crypto-bigint 0.4.9",
  "hmac",
  "zeroize",
 ]
@@ -3955,7 +4089,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3be24c1842290c45df0a7bf069e0c268a747ad05a192f2fd7dcfdbc1cba40928"
 dependencies = [
- "base16ct",
+ "base16ct 0.1.1",
  "der 0.6.1",
  "generic-array 0.14.6",
  "pkcs8 0.9.0",
@@ -3963,6 +4097,39 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "sec1"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48518a2b5775ba8ca5b46596aae011caa431e6ce7e4a67ead66d92f08884220e"
+dependencies = [
+ "base16ct 0.2.0",
+ "der 0.7.3",
+ "generic-array 0.14.6",
+ "pkcs8 0.10.2",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "secp256k1"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25996b82292a7a57ed3508f052cfff8640d38d32018784acd714758b43da9c8f"
+dependencies = [
+ "rand",
+ "secp256k1-sys",
+]
+
+[[package]]
+name = "secp256k1-sys"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70a129b9e9efbfb223753b9163c4ab3b13cff7fd9c7f010fbac25ab4099fa07e"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "security-framework"
 version = "2.8.2"
diff --git a/Cargo.toml b/Cargo.toml
index 3b0a0abf2a8f51..5664a69ed224e0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -139,6 +139,10 @@ tower-lsp = { version = "=0.17.0", features = ["proposed"] }
 url = { version = "2.3.1", features = ["serde", "expose_internals"] }
 uuid = { version = "1.3.0", features = ["v4"] }
 zstd = "=0.11.2"
+elliptic-curve = { version = "0.13.4", features = ["alloc", "arithmetic", "ecdh", "std", "pem"] }
+p224 = { version = "0.13.0", features = ["ecdh"] }
+p256 = { version = "0.13.2", features = ["ecdh"] }
+p384 = { version = "0.13.0", features = ["ecdh"] }
 
 # crypto
 rsa = { version = "0.7.0", default-features = false, features = ["std", "pem", "hazmat"] } # hazmat needed for PrehashSigner in ext/node
diff --git a/ext/node/Cargo.toml b/ext/node/Cargo.toml
index 576e62d5593e79..14928db3074122 100644
--- a/ext/node/Cargo.toml
+++ b/ext/node/Cargo.toml
@@ -24,6 +24,7 @@ deno_semver.workspace = true
 digest = { version = "0.10.5", features = ["core-api", "std"] }
 dsa = "0.6.1"
 ecb.workspace = true
+elliptic-curve.workspace = true
 hex.workspace = true
 hkdf.workspace = true
 idna = "0.3.0"
@@ -37,6 +38,9 @@ num-bigint-dig = "0.8.2"
 num-integer = "0.1.45"
 num-traits = "0.2.14"
 once_cell.workspace = true
+p224.workspace = true
+p256.workspace = true
+p384.workspace = true
 path-clean = "=0.1.0"
 pbkdf2 = "0.12.1"
 rand.workspace = true
@@ -45,6 +49,7 @@ ring.workspace = true
 ripemd = "0.1.3"
 rsa.workspace = true
 scrypt = "0.11.0"
+secp256k1 = { version = "0.27.0", features = ["rand-std"] }
 serde = "1.0.149"
 sha-1 = "0.10.0"
 sha2.workspace = true
diff --git a/ext/node/lib.rs b/ext/node/lib.rs
index cef92328d99d28..b5db83297e150e 100644
--- a/ext/node/lib.rs
+++ b/ext/node/lib.rs
@@ -240,6 +240,9 @@ deno_core::extension!(deno_node,
     ops::crypto::op_node_random_int,
     ops::crypto::op_node_scrypt_sync,
     ops::crypto::op_node_scrypt_async,
+    ops::crypto::op_node_ecdh_generate_keys,
+    ops::crypto::op_node_ecdh_compute_secret,
+    ops::crypto::op_node_ecdh_compute_public_key,
     ops::crypto::x509::op_node_x509_parse,
     ops::crypto::x509::op_node_x509_ca,
     ops::crypto::x509::op_node_x509_check_email,
@@ -267,7 +270,6 @@ deno_core::extension!(deno_node,
     ops::zlib::op_zlib_init,
     ops::zlib::op_zlib_reset,
     op_node_build_os,
-
     ops::require::op_require_init_paths,
     ops::require::op_require_node_module_paths<Env>,
     ops::require::op_require_proxy_path,
diff --git a/ext/node/ops/crypto/mod.rs b/ext/node/ops/crypto/mod.rs
index 92e3029e0da240..9e1a3da98920c8 100644
--- a/ext/node/ops/crypto/mod.rs
+++ b/ext/node/ops/crypto/mod.rs
@@ -18,12 +18,18 @@ use rand::Rng;
 use std::future::Future;
 use std::rc::Rc;
 
+use p224::NistP224;
+use p256::NistP256;
+use p384::NistP384;
 use rsa::padding::PaddingScheme;
 use rsa::pkcs8::DecodePrivateKey;
 use rsa::pkcs8::DecodePublicKey;
 use rsa::PublicKey;
 use rsa::RsaPrivateKey;
 use rsa::RsaPublicKey;
+use secp256k1::ecdh::SharedSecret;
+use secp256k1::Secp256k1;
+use secp256k1::SecretKey;
 
 mod cipher;
 mod dh;
@@ -902,6 +908,165 @@ pub async fn op_node_scrypt_async(
   .await?
 }
 
+#[op]
+pub fn op_node_ecdh_generate_keys(
+  curve: &str,
+  pubbuf: &mut [u8],
+  privbuf: &mut [u8],
+) -> Result<ResourceId, AnyError> {
+  let mut rng = rand::thread_rng();
+  match curve {
+    "secp256k1" => {
+      let secp = Secp256k1::new();
+      let (privkey, pubkey) = secp.generate_keypair(&mut rng);
+      pubbuf.copy_from_slice(&pubkey.serialize_uncompressed());
+      privbuf.copy_from_slice(&privkey.secret_bytes());
+
+      Ok(0)
+    }
+    "prime256v1" | "secp256r1" => {
+      let privkey = elliptic_curve::SecretKey::<NistP256>::random(&mut rng);
+      let pubkey = privkey.public_key();
+      pubbuf.copy_from_slice(pubkey.to_sec1_bytes().as_ref());
+      privbuf.copy_from_slice(privkey.to_nonzero_scalar().to_bytes().as_ref());
+      Ok(0)
+    }
+    "secp384r1" => {
+      let privkey = elliptic_curve::SecretKey::<NistP384>::random(&mut rng);
+      let pubkey = privkey.public_key();
+      pubbuf.copy_from_slice(pubkey.to_sec1_bytes().as_ref());
+      privbuf.copy_from_slice(privkey.to_nonzero_scalar().to_bytes().as_ref());
+      Ok(0)
+    }
+    "secp224r1" => {
+      let privkey = elliptic_curve::SecretKey::<NistP224>::random(&mut rng);
+      let pubkey = privkey.public_key();
+      pubbuf.copy_from_slice(pubkey.to_sec1_bytes().as_ref());
+      privbuf.copy_from_slice(privkey.to_nonzero_scalar().to_bytes().as_ref());
+      Ok(0)
+    }
+    &_ => todo!(),
+  }
+}
+
+#[op]
+pub fn op_node_ecdh_compute_secret(
+  curve: &str,
+  this_priv: Option<ZeroCopyBuf>,
+  their_pub: &mut [u8],
+  secret: &mut [u8],
+) -> Result<(), AnyError> {
+  match curve {
+    "secp256k1" => {
+      let this_secret_key = SecretKey::from_slice(
+        this_priv.expect("no private key provided?").as_ref(),
+      )
+      .unwrap();
+      let their_public_key =
+        secp256k1::PublicKey::from_slice(their_pub).unwrap();
+      let shared_secret =
+        SharedSecret::new(&their_public_key, &this_secret_key);
+
+      secret.copy_from_slice(&shared_secret.secret_bytes());
+      Ok(())
+    }
+    "prime256v1" | "secp256r1" => {
+      let their_public_key =
+        elliptic_curve::PublicKey::<NistP256>::from_sec1_bytes(their_pub)
+          .expect("bad public key");
+      let this_private_key = elliptic_curve::SecretKey::<NistP256>::from_slice(
+        &this_priv.expect("must supply private key"),
+      )
+      .expect("bad private key");
+      let shared_secret = elliptic_curve::ecdh::diffie_hellman(
+        this_private_key.to_nonzero_scalar(),
+        their_public_key.as_affine(),
+      );
+      secret.copy_from_slice(shared_secret.raw_secret_bytes());
+
+      Ok(())
+    }
+    "secp384r1" => {
+      let their_public_key =
+        elliptic_curve::PublicKey::<NistP384>::from_sec1_bytes(their_pub)
+          .expect("bad public key");
+      let this_private_key = elliptic_curve::SecretKey::<NistP384>::from_slice(
+        &this_priv.expect("must supply private key"),
+      )
+      .expect("bad private key");
+      let shared_secret = elliptic_curve::ecdh::diffie_hellman(
+        this_private_key.to_nonzero_scalar(),
+        their_public_key.as_affine(),
+      );
+      secret.copy_from_slice(shared_secret.raw_secret_bytes());
+
+      Ok(())
+    }
+    "secp224r1" => {
+      let their_public_key =
+        elliptic_curve::PublicKey::<NistP224>::from_sec1_bytes(their_pub)
+          .expect("bad public key");
+      let this_private_key = elliptic_curve::SecretKey::<NistP224>::from_slice(
+        &this_priv.expect("must supply private key"),
+      )
+      .expect("bad private key");
+      let shared_secret = elliptic_curve::ecdh::diffie_hellman(
+        this_private_key.to_nonzero_scalar(),
+        their_public_key.as_affine(),
+      );
+      secret.copy_from_slice(shared_secret.raw_secret_bytes());
+
+      Ok(())
+    }
+    &_ => todo!(),
+  }
+}
+
+#[op]
+pub fn op_node_ecdh_compute_public_key(
+  curve: &str,
+  privkey: &[u8],
+  pubkey: &mut [u8],
+) -> Result<(), AnyError> {
+  match curve {
+    "secp256k1" => {
+      let secp = Secp256k1::new();
+      let secret_key = SecretKey::from_slice(privkey).unwrap();
+      let public_key =
+        secp256k1::PublicKey::from_secret_key(&secp, &secret_key);
+
+      pubkey.copy_from_slice(&public_key.serialize_uncompressed());
+
+      Ok(())
+    }
+    "prime256v1" | "secp256r1" => {
+      let this_private_key =
+        elliptic_curve::SecretKey::<NistP256>::from_slice(privkey)
+          .expect("bad private key");
+      let public_key = this_private_key.public_key();
+      pubkey.copy_from_slice(public_key.to_sec1_bytes().as_ref());
+      Ok(())
+    }
+    "secp384r1" => {
+      let this_private_key =
+        elliptic_curve::SecretKey::<NistP384>::from_slice(privkey)
+          .expect("bad private key");
+      let public_key = this_private_key.public_key();
+      pubkey.copy_from_slice(public_key.to_sec1_bytes().as_ref());
+      Ok(())
+    }
+    "secp224r1" => {
+      let this_private_key =
+        elliptic_curve::SecretKey::<NistP224>::from_slice(privkey)
+          .expect("bad private key");
+      let public_key = this_private_key.public_key();
+      pubkey.copy_from_slice(public_key.to_sec1_bytes().as_ref());
+      Ok(())
+    }
+    &_ => todo!(),
+  }
+}
+
 #[inline]
 fn gen_prime(size: usize) -> ZeroCopyBuf {
   primes::Prime::generate(size).0.to_bytes_be().into()
diff --git a/ext/node/polyfills/internal/crypto/diffiehellman.ts b/ext/node/polyfills/internal/crypto/diffiehellman.ts
index 3aa1f80809b3c6..62a802126fa394 100644
--- a/ext/node/polyfills/internal/crypto/diffiehellman.ts
+++ b/ext/node/polyfills/internal/crypto/diffiehellman.ts
@@ -13,6 +13,8 @@ import {
 } from "ext:deno_node/internal/validators.mjs";
 import { Buffer } from "ext:deno_node/buffer.ts";
 import {
+  EllipticCurve,
+  ellipticCurves,
   getDefaultEncoding,
   toBuf,
 } from "ext:deno_node/internal/crypto/util.ts";
@@ -24,6 +26,8 @@ import type {
 import { KeyObject } from "ext:deno_node/internal/crypto/keys.ts";
 import type { BufferEncoding } from "ext:deno_node/_global.d.ts";
 
+const { ops } = Deno.core;
+
 const DH_GENERATOR = 2;
 
 export class DiffieHellman {
@@ -219,10 +223,21 @@ export class DiffieHellmanGroup {
 }
 
 export class ECDH {
+  #curve: EllipticCurve; // the selected curve
+  #privbuf: Buffer; // the private key
+  #pubbuf: Buffer; // the public key
+
   constructor(curve: string) {
     validateString(curve, "curve");
 
-    notImplemented("crypto.ECDH");
+    const c = ellipticCurves.find((x) => x.name == curve);
+    if (c == undefined) {
+      throw new Error("invalid curve");
+    }
+
+    this.#curve = c;
+    this.#pubbuf = Buffer.alloc(this.#curve.publicKeySize);
+    this.#privbuf = Buffer.alloc(this.#curve.privateKeySize);
   }
 
   static convertKey(
@@ -250,44 +265,80 @@ export class ECDH {
     outputEncoding: BinaryToTextEncoding,
   ): string;
   computeSecret(
-    _otherPublicKey: ArrayBufferView | string,
+    otherPublicKey: ArrayBufferView | string,
     _inputEncoding?: BinaryToTextEncoding,
     _outputEncoding?: BinaryToTextEncoding,
   ): Buffer | string {
-    notImplemented("crypto.ECDH.prototype.computeSecret");
+    const secretBuf = Buffer.alloc(this.#curve.sharedSecretSize);
+
+    ops.op_node_ecdh_compute_secret(
+      this.#curve.name,
+      this.#privbuf,
+      otherPublicKey,
+      secretBuf,
+    );
+
+    return secretBuf;
   }
 
   generateKeys(): Buffer;
   generateKeys(encoding: BinaryToTextEncoding, format?: ECDHKeyFormat): string;
   generateKeys(
-    _encoding?: BinaryToTextEncoding,
+    encoding?: BinaryToTextEncoding,
     _format?: ECDHKeyFormat,
   ): Buffer | string {
-    notImplemented("crypto.ECDH.prototype.generateKeys");
+    ops.op_node_ecdh_generate_keys(
+      this.#curve.name,
+      this.#pubbuf,
+      this.#privbuf,
+    );
+
+    if (encoding !== undefined) {
+      return this.#pubbuf.toString(encoding);
+    }
+    return this.#pubbuf;
   }
 
   getPrivateKey(): Buffer;
   getPrivateKey(encoding: BinaryToTextEncoding): string;
-  getPrivateKey(_encoding?: BinaryToTextEncoding): Buffer | string {
-    notImplemented("crypto.ECDH.prototype.getPrivateKey");
+  getPrivateKey(encoding?: BinaryToTextEncoding): Buffer | string {
+    if (encoding !== undefined) {
+      return this.#privbuf.toString(encoding);
+    }
+    return this.#privbuf;
   }
 
   getPublicKey(): Buffer;
   getPublicKey(encoding: BinaryToTextEncoding, format?: ECDHKeyFormat): string;
   getPublicKey(
-    _encoding?: BinaryToTextEncoding,
+    encoding?: BinaryToTextEncoding,
     _format?: ECDHKeyFormat,
   ): Buffer | string {
-    notImplemented("crypto.ECDH.prototype.getPublicKey");
+    if (encoding !== undefined) {
+      return this.#pubbuf.toString(encoding);
+    }
+    return this.#pubbuf;
   }
 
   setPrivateKey(privateKey: ArrayBufferView): void;
   setPrivateKey(privateKey: string, encoding: BinaryToTextEncoding): void;
   setPrivateKey(
-    _privateKey: ArrayBufferView | string,
-    _encoding?: BinaryToTextEncoding,
+    privateKey: ArrayBufferView | string,
+    encoding?: BinaryToTextEncoding,
   ): Buffer | string {
-    notImplemented("crypto.ECDH.prototype.setPrivateKey");
+    this.#privbuf = privateKey;
+    this.#pubbuf = Buffer.alloc(this.#curve.publicKeySize);
+
+    ops.op_node_ecdh_compute_public_key(
+      this.#curve.name,
+      this.#privbuf,
+      this.#pubbuf,
+    );
+
+    if (encoding !== undefined) {
+      return this.#pubbuf.toString(encoding);
+    }
+    return this.#pubbuf;
   }
 }
 
diff --git a/ext/node/polyfills/internal/crypto/util.ts b/ext/node/polyfills/internal/crypto/util.ts
index ccb7726316319b..2e269b7fad8d32 100644
--- a/ext/node/polyfills/internal/crypto/util.ts
+++ b/ext/node/polyfills/internal/crypto/util.ts
@@ -46,6 +46,47 @@ const digestAlgorithms = [
   "sha1",
 ];
 
+export type EllipticCurve = {
+  name: string;
+  ephemeral: boolean;
+  privateKeySize: number;
+  publicKeySize: number;
+  sharedSecretSize: number;
+};
+
+export const ellipticCurves: Array<EllipticCurve> = [
+  {
+    name: "secp256k1",
+    privateKeySize: 32,
+    publicKeySize: 65,
+    sharedSecretSize: 32,
+  }, // Weierstrass-class EC used by Bitcoin
+  {
+    name: "prime256v1",
+    privateKeySize: 32,
+    publicKeySize: 65,
+    sharedSecretSize: 32,
+  }, // NIST P-256 EC
+  {
+    name: "secp256r1",
+    privateKeySize: 32,
+    publicKeySize: 65,
+    sharedSecretSize: 32,
+  }, // NIST P-256 EC (same as above)
+  {
+    name: "secp384r1",
+    privateKeySize: 48,
+    publicKeySize: 97,
+    sharedSecretSize: 48,
+  }, // NIST P-384 EC
+  {
+    name: "secp224r1",
+    privateKeySize: 28,
+    publicKeySize: 57,
+    sharedSecretSize: 28,
+  }, // NIST P-224 EC
+];
+
 // deno-fmt-ignore
 const supportedCiphers = [
   "aes-128-ecb",  "aes-192-ecb",
@@ -114,8 +155,9 @@ export function getHashes(): readonly string[] {
   return digestAlgorithms;
 }
 
+const curveNames = ellipticCurves.map((x) => x.name);
 export function getCurves(): readonly string[] {
-  notImplemented("crypto.getCurves");
+  return curveNames;
 }
 
 export interface SecureHeapUsage {