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public_key
Release Notes
Version 0.16

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- public_key Release Notes
  - Top of chapter
  - Public_Key 0.16
  - Public_Key 0.15
  - Public_Key 0.14
  - Public_Key 0.13
  - Public_Key 0.12
  - Public_Key 0.11
  - Public_Key 0.10
  - Public_Key 0.9
  - Public_Key 0.8
  - Public_Key 0.7
  - Public_Key 0.6
  - Public_Key 0.5
  - Public_Key 0.4
  - Public_Key 0.3
  - Public_Key 0.2
  - Public_Key 0.1

# 1 public_key Release Notes

### 1.1 Public_Key 0.16

#### Improvements and New Features

- Add crypto and public_key support for the hash functions SHA224, SHA256, SHA384 and SHA512 and also hmac and rsa_sign/verify support using these hash functions. Thanks to Andreas Schultz for making a prototype.

  Own Id: OTP-9908

- Optimize RSA private key handling in crypto and public_key.

  Own Id: OTP-10065

### 1.2 Public_Key 0.15

#### Improvements and New Features

- Changed ssh implementation to use the public_key application for all public key handling. This is also a first step for enabling a callback API for supplying public keys and handling keys protected with password phrases.

  Additionally the test suites where improved so that they do not copy the users keys to test server directories as this is a security liability. Also ipv6 and file access issues found in the process has been fixed.

  This change also solves OTP-7677 and OTP-7235

  This changes also involves some updates to public_keys ssh-functions.

  Own Id: OTP-9911

### 1.3 Public_Key 0.14

#### Improvements and New Features

- public_key, ssl and crypto now supports PKCS-8

  Own Id: OTP-9312

- The asn1 decoder/encoder now uses a runtime nif from the asn1 application if it is available.

  Own Id: OTP-9414

### 1.4 Public_Key 0.13

#### Fixed Bugs and Malfunctions

- replace "a ssl" with "an ssl" reindent pkix_path_validation/3 Trivial documentation fixes (Thanks to Christian von Roques )

  Own Id: OTP-9464

### 1.5 Public_Key 0.12

#### Improvements and New Features

- The public_key application now supports encode/decode of ssh public-key files.

  Own Id: OTP-9144

### 1.6 Public_Key 0.11

#### Improvements and New Features

- Allows the public_key module to decode and encode RSA and DSA keys encoded using the SubjectPublicKeyInfo format. When pem_entry_encode is called on an RSA or DSA public key type, the key is wrapped in the SubjectPublicKeyInfo format.

  Own Id: OTP-9061

### 1.7 Public_Key 0.10

#### Improvements and New Features

- Improved dialyzer specs.

  Own Id: OTP-8964

### 1.8 Public_Key 0.9

#### Improvements and New Features

- Updated ssl to ignore CA certs that violate the asn1-spec for a certificate, and updated public key asn1 spec to handle inherited DSS-params.

  Own Id: OTP-7884

- Changed ssl implementation to retain backwards compatibility for old option {verify, 0} that shall be equivalent to {verify, verify_none}, also separate the cases unknown ca and selfsigned peer cert, and restored return value of deprecated function public_key:pem_to_der/1.

  Own Id: OTP-8858

- Better handling of v1 and v2 certificates. V1 and v2 certificates does not have any extensions so then validate_extensions should just accept that there are none and not end up in missing_basic_constraints clause.

  Own Id: OTP-8867

- Changed the verify fun so that it differentiate between the peer certificate and CA certificates by using valid_peer or valid as the second argument to the verify fun. It may not always be trivial or even possible to know when the peer certificate is reached otherwise.

  *** POTENTIAL INCOMPATIBILITY ***

  Own Id: OTP-8873

### 1.9 Public_Key 0.8

#### Fixed Bugs and Malfunctions

- Handling of unknown CA certificates was changed in ssl and public_key to work as intended.

  Own Id: OTP-8788

#### Improvements and New Features

- Revise the public_key API - Cleaned up and documented the public_key API to make it useful for general use, also changed ssl to use the new API.

  Own Id: OTP-8722

- Added the functionality so that the verification fun will be called when a certificate is considered valid by the path validation to allow access to each certificate in the path to the user application. Also try to verify subject-AltName, if unable to verify it let the application verify it.

  Own Id: OTP-8825

### 1.10 Public_Key 0.7

#### Fixed Bugs and Malfunctions

- Certificates without any extensions could not be handled by public_key.

  Own Id: OTP-8626

#### Improvements and New Features

- Code cleanup and minor bugfixes.

  Own Id: OTP-8649

### 1.11 Public_Key 0.6

#### Improvements and New Features

- Support for Diffie-Hellman. ssl-3.11 requires public_key-0.6.

  Own Id: OTP-7046

- Moved extended key usage test for ssl values to ssl.

  Own Id: OTP-8553 Aux Id: seq11541, OTP-8554

### 1.12 Public_Key 0.5

#### Improvements and New Features

- Added public_key:pkix_transform/2 to enable ssl to send CA list during Certificate Request.

  NOTE: SSL (new_ssl) requires public_key-0.5. ssl usage.

  Own Id: OTP-8372

### 1.13 Public_Key 0.4

#### Improvements and New Features

- The documentation is now built with open source tools (xsltproc and fop) that exists on most platforms. One visible change is that the frames are removed.

  Own Id: OTP-8250

### 1.14 Public_Key 0.3

#### Fixed Bugs and Malfunctions

- Unknown attributes in certificates are left encoded instead of crashing. Patch by Will "wglozer" thanks.

  Own Id: OTP-8100

#### Improvements and New Features

- Allow public_key:pem_to_der/[1,2] to take a binary as argument in addition to a filename. Patch by Geoff Cant, thanks.

  Own Id: OTP-8142

### 1.15 Public_Key 0.2

#### Improvements and New Features

- X509 certificate handling has been extended and improved as a result of more extensive testing of both the ssl and public_key application. Even more extensions of the certificate handling is yet to be implemented.

  Own Id: OTP-7860

### 1.16 Public_Key 0.1

#### Improvements and New Features

- First version.

  Own Id: OTP-7637