SSL_TXT_KRB5_IDEA_128_CBC_MD5

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C) nothrow
alias SSL_TXT_KRB5_IDEA_128_CBC_MD5 = SSL3_TXT_KRB5_IDEA_128_CBC_MD5

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