Authentication processing method and apparatus, terminal, and network side device

An authentication processing method, comprising:

• receiving, by a third network function, second information, wherein the second information comprises authentication information, and the authentication information comprises a challenge parameter or a random character string;
• and
• sending, by the third network function, third information to an access network device, wherein the third information comprises any one of the authentication information, the challenge parameter, or the random character string, wherein
• the second information is sent by a first network function or a fourth network function.

An authentication processing method, comprising:

• receiving, by an access network device, third information from a third network function, wherein the third information comprises any one of authentication information, a challenge parameter, or a random character string;
• and
• broadcasting, by the access network device, fourth information, wherein the fourth information comprises any one of the authentication information, the challenge parameter, or the random character string;
• wherein
• the authentication information comprises the challenge parameter or the random character string.