Table 2 Table of manuscripts describing biometric challenge-response protocols. The columns represent where the manuscripts fall on the 5 categories, as well as the type of manuscript and PAD or recognition intent of the described protocol

Simons et al. (2014)

[21]

P

B

A

C

U

Paper

P

Jakobsson (2015)

[22]

P

B

C

O

P

Paper

Mix

Frischholz and Werner (2003)

[8]

P

B

C

O

U

Paper

P

Ganesh et al. (2017)

[23]

P

B

C

O

U

Paper

P

De Marsico et al. (2012)

[24]

P

B

C

O

U

Paper

P

Saad and Moustafa (2014)

[25]

P

B

C

O

U

Paper

P

Shen et al. (2018)

[26]

P

B

C

O

U

Paper

P

Ali et al. (2012)

[27]

P

B

C

O

U

Paper

P

Li et al. (2016)

[28]

P

B

Mix

O

U

Paper

R

Zhang et al. (2018)

[29]

S

B

A

C

U

Paper

R

Gong et al. (2016)

[30]

S

B

C

C

P

Paper

Mix

Tan et al. (2018)

[16]

S

P

A

C

U

Paper

Mix

Martinovic et al. (2014)

[12]

S

P

C

C

U

Paper

R

Sluganovic (2016)

[13]

S

B

A

O

U

Paper

R

Bhardwaj (2017)

[31]

S

B

C

O

P

Paper

P

Burgbacher et al. (2014)

[18]

S

B

C

O

P

Paper

R

Ma et al. (2018)

[32]

S

B

C

O

P

Paper

R

Skerpac (2002)

[20]

S

B

C

O

U

Paper

Mix

Tian et al. (2017)

[33]

S

B

C

O

U

Paper

Mix

Sae-Bae et al. (2012)

[34]

S

B

C

O

U

Paper

R

Chauhan et al. (2017)

[35]

S

Mix

C

O

U

Paper

R

Sae-Bae and Jakobsson (2014)

[36]

S

Mix

C

O

U

Paper

R

Blanchard et al. (2019)

[15]

S

P

A

O

P

Paper

R

Li et al. (2019)

[19]

S

P

A

O

U

Paper

Mix

Yano et al. (2012)

[6]

S

P

A

O

U

Paper

P

Gao et al. (2019)

[17]

S

P

A

O

U

Paper

R

Bhaskaran (2011)

[37]

P

B

C

O

U

Patent

Mix

Chaudhury (2014)

[38]

P

B

C

O

U

Patent

P

Lindemann (2018)

[39]

P

Mix

A

O

U

Patent

P

Roos (2014)

[40]

S

B

C

O

P

Patent

P

Pearson and Contolini (2005)

[41]

S

B

C

O

U

Patent

Mix

Roblek and Sharifi (2014)

[42]

S

B

C

O

U

Patent

Mix

Skerpac (2014)

[43]

S

B

C

O

U

Patent

Mix