```

#### 3.2.2 Generate a private key with RSA

Use the following command to generate a private key with RSA:

```sh
openssl genrsa -out private.key 2048
```

A response similar to this one should be displayed:

```
Generating RSA private key, 2048 bit long modulus
............................................+++
...........+++
e is 65537 (0x10001)
```

	// EVEX: compressed displacement that does not fit into 8bits.
	VADDPD 2048(DX), X29, X0        // 62f19500588200080000
	VADDPD 2048(DX), X1, X29        // 6261f50858aa00080000
	VADDPD 2048(DX), X29, X28       // 6261950058a200080000
	VADDPD 2048(DX)(AX*2), X29, X0  // 62f1950058844200080000
	VADDPD 2048(DX)(AX*2), X1, X29  // 6261f50858ac4200080000
	VADDPD 2048(DX)(AX*2), X29, X28 // 6261950058a44200080000

| :--                  | :--                                            |
| *Type*               | *String*                                       |
| *Length Constraints* | *Minimum length of 4. Maximum length of 2048.* |
| *Required*           | *Yes*                                          |

### Version

	ADDI	$2047, X5				// 9382f27f
	ADDI	$-2048, X5				// 93820280
	ADDI	$2048, X5				// 9382024093820240
	ADDI	$-2049, X5				// 938202c09382f2bf
	ADDI	$4094, X5				// 9382f27f9382f27f
	ADDI	$-4096, X5				// 9382028093820280
	ADDI	$4095, X5				// b71f00009b8fffffb382f201
	ADDI	$-4097, X5				// b7ffffff9b8fffffb382f201
	ADDI	$2047, X5, X6				// 1383f27f
	ADDI	$-2048, X5, X6				// 13830280

var errInvalidMaxParts = errors.New("Part number is greater than the maximum allowed 10000 parts")

// error returned for session policies > 2048
var errSessionPolicyTooLarge = errors.New("Session policy should not exceed 2048 characters")

// error returned in SFTP when user used public key without certificate

        keySize = 256
      }

    /**
     * Configure the certificate to generate a 2048-bit RSA key, which provides about 112 bits of
     * security. RSA keys are interoperable with very old clients that don't support ECDSA.
     */
    fun rsa2048() =
      apply {
        keyAlgorithm = "RSA"
        keySize = 2048
      }

    fun build(): HeldCertificate {
      // Subject keys & identity.

      assertHashStringWithSurrogatesEquivalence(hashFunction, random);
    }
  }

  private static void assertHashBytesEquivalence(HashFunction hashFunction, Random random) {
    int size = random.nextInt(2048);
    byte[] bytes = new byte[size];
    random.nextBytes(bytes);
    assertEquals(
        hashFunction.hashBytes(bytes), hashFunction.newHasher(size).putBytes(bytes).hash());
    int off = random.nextInt(size);

| :--           | :--                                            |
| *Type*        | *String*                                       |
| *Valid Range* | *Minimum length of 1. Maximum length of 2048.* |
| *Required*    | *No*                                           |

### Response Elements

      .isEqualTo(ByteString.EMPTY)
  }

  @Test
  fun emitsDynamicTableSizeUpdate() {
    hpackWriter!!.resizeHeaderTable(2048)
    hpackWriter!!.writeHeaders(listOf(Header("foo", "bar")))
    assertBytes(
      // Dynamic table size update (size = 2048).
      0x3F,
      0xE1,
      0xF,
      0x40,
      3,
      'f'.code,
      'o'.code,
      'o'.code,
      3,

package bpool

import (
	"testing"
)

// Tests - bytePool functionality.
func TestBytePool(t *testing.T) {
	size := uint64(4)
	width := 1024
	capWidth := 2048

	bp := NewBytePoolCap(size, width, capWidth)

	// Check the width
	if bp.Width() != width {
		t.Fatalf("bytepool width invalid: got %v want %v", bp.Width(), width)
	}

	// Check with width cap