Use size_t for bignums, rsa and dsa.

bignum.c

bignum.h

dsa-sign.c

dsa-verify.c

dsa.h

examples/rsa-decrypt.c

pkcs1-decrypt.c

pkcs1-encrypt.c

pkcs1-rsa-digest.c

pkcs1-rsa-md5.c

pkcs1-rsa-sha1.c

pkcs1-rsa-sha256.c

pkcs1-rsa-sha512.c

pkcs1.h

rsa-decrypt-tr.c

rsa-decrypt.c

rsa-encrypt.c

rsa-pkcs1-sign-tr.c

rsa-pkcs1-sign.c

rsa-pkcs1-verify.c