Reported by Andreas Enge <andreas@enge.fr>. * tests/pk-crypto.scm ("string->gcry-sexp->string"): Remove "#C0FFEE#" from SEXPS. ("gcry-sexp-nth"): Start at index 1.
* guix/pk-crypto.scm (gcry-sexp-car, gcry-sexp-cdr, gcry-sexp-nth, gcry-sexp-nth-data, dereference-size_t, latin1-string->bytevector, hash-data->bytevector): New procedures. * tests/pk-crypto.scm ("gcry-sexp-car + cdr", "gcry-sexp-nth", "gcry-sexp-nth-data", "bytevector->hash-data->bytevector"): New tests.
* guix/pk-crypto.scm, tests/pk-crypto.scm: New files. * Makefile.am (MODULES, SCM_TESTS): Add them.