Node.js crypto sign.sign

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Node.js crypto sign.sign(privateKey[, outputEncoding]) 版本历史

版本 变更
v8.0.0 Support for RSASSA-PSS and additional options was added.
v0.1.92 新增于: v0.1.92
  • privateKey < string> | < Object>
    • key < string>
    • passphrase < string>
    • padding < integer>
    • saltLength < integer>
  • outputEncoding < string> The encoding of the return value.
  • Returns: < Buffer> | < string>

Calculates the signature on all the data passed through using either sign.update() or sign.write().

The privateKey argument can be an object or a string. If privateKey is a string, it is treated as a raw key with no passphrase. If privateKey is an object, it must contain one or more of the following properties:

  • key: < string> - PEM encoded private key (required)

  • passphrase: < string> - passphrase for the private key

  • padding: < integer> - Optional padding value for RSA, one of the following:

    • crypto.constants.RSA_PKCS1_PADDING (default)
    • crypto.constants.RSA_PKCS1_PSS_PADDING

    Note that RSA_PKCS1_PSS_PADDING will use MGF1 with the same hash function used to sign the message as specified in section 3.1 of RFC 4055.

  • saltLength: < integer> - salt length for when padding is RSA_PKCS1_PSS_PADDING. The special value crypto.constants.RSA_PSS_SALTLEN_DIGEST sets the salt length to the digest size, crypto.constants.RSA_PSS_SALTLEN_MAX_SIGN (default) sets it to the maximum permissible value.

If outputEncoding is provided a string is returned; otherwise a Buffer is returned.

The Sign object can not be again used after sign.sign() method has been called. Multiple calls to sign.sign() will result in an error being thrown.


更多内容请参考:Node.js crypto 加密,或者通过 点击对应菜单 进行查看;



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