createKeySpecForAlgorithm() — spring-boot Function Reference

Architecture documentation for the createKeySpecForAlgorithm() function in PemPrivateKeyParser.java from the spring-boot codebase.

Function java BuildpackPlatform VolumeManagement calls 6 called by 2

Entity Profile

BuildpackPlatform→ VolumeManagement→ createKeySpecForAlgorithm() — spring-boot Function Reference

Dependency Diagram

graph TD
  e7565588_320b_7a29_22b7_a11cc86051d6["createKeySpecForAlgorithm()"]
  ac9c8c81_a50f_5564_c031_18e30b6de429["createKeySpecForPkcs1Rsa()"]
  ac9c8c81_a50f_5564_c031_18e30b6de429 -->|calls| e7565588_320b_7a29_22b7_a11cc86051d6
  dd17c9cd_3bc1_02ee_542a_6fff495594fe["createKeySpecForSec1Ec()"]
  dd17c9cd_3bc1_02ee_542a_6fff495594fe -->|calls| e7565588_320b_7a29_22b7_a11cc86051d6
  fe73744f_3e98_68b3_afc8_6dc95cb2682f["integer()"]
  e7565588_320b_7a29_22b7_a11cc86051d6 -->|calls| fe73744f_3e98_68b3_afc8_6dc95cb2682f
  e69ae34c_86e4_ffb6_7795_fc369c14c0cb["objectIdentifier()"]
  e7565588_320b_7a29_22b7_a11cc86051d6 -->|calls| e69ae34c_86e4_ffb6_7795_fc369c14c0cb
  f42acbfe_ddab_013c_bbe2_efd83fd777f4["sequence()"]
  e7565588_320b_7a29_22b7_a11cc86051d6 -->|calls| f42acbfe_ddab_013c_bbe2_efd83fd777f4
  26f4d44c_edfe_7944_618c_d4d4936fb5b8["octetString()"]
  e7565588_320b_7a29_22b7_a11cc86051d6 -->|calls| 26f4d44c_edfe_7944_618c_d4d4936fb5b8
  d4b6bfd9_86ae_23d2_a562_3cdb989300cd["toSequence()"]
  e7565588_320b_7a29_22b7_a11cc86051d6 -->|calls| d4b6bfd9_86ae_23d2_a562_3cdb989300cd
  7e52cb44_3ef5_cd5e_26a2_ed146f8c2ba3["toByteArray()"]
  e7565588_320b_7a29_22b7_a11cc86051d6 -->|calls| 7e52cb44_3ef5_cd5e_26a2_ed146f8c2ba3
  style e7565588_320b_7a29_22b7_a11cc86051d6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/docker/ssl/PemPrivateKeyParser.java lines 150–165

	private static PKCS8EncodedKeySpec createKeySpecForAlgorithm(byte[] bytes, EncodedOid algorithm,
			@Nullable EncodedOid parameters) {
		try {
			DerEncoder encoder = new DerEncoder();
			encoder.integer(0x00); // Version 0
			DerEncoder algorithmIdentifier = new DerEncoder();
			algorithmIdentifier.objectIdentifier(algorithm);
			algorithmIdentifier.objectIdentifier(parameters);
			encoder.sequence(algorithmIdentifier.toByteArray());
			encoder.octetString(bytes);
			return new PKCS8EncodedKeySpec(encoder.toSequence());
		}
		catch (IOException ex) {
			throw new IllegalStateException(ex);
		}
	}