Weaknesses in some recent key agreement protocols

Reference:

Kaisa Nyberg and Rainer A. Rueppel. Weaknesses in some recent key agreement protocols. Electronics Letters, 30(1):26–27, 1994.

Suggested BibTeX entry:

@article{nybergrueppel:el94,
    author = {Kaisa Nyberg and Rainer A.~Rueppel},
    journal = {Electronics Letters},
    number = {1},
    pages = {26--27},
    publisher = {IEE},
    title = {Weaknesses in some recent key agreement protocols},
    volume = {30},
    year = {1994},
}