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-;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2017 Ludovic Courtès <ludo@gnu.org>
-;;;
-;;; This file is part of GNU Guix.
-;;;
-;;; GNU Guix is free software; you can redistribute it and/or modify it
-;;; under the terms of the GNU General Public License as published by
-;;; the Free Software Foundation; either version 3 of the License, or (at
-;;; your option) any later version.
-;;;
-;;; GNU Guix is distributed in the hope that it will be useful, but
-;;; WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;;; GNU General Public License for more details.
-;;;
-;;; You should have received a copy of the GNU General Public License
-;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
-
-(define-module (test-pk-crypto)
- #:use-module (guix pk-crypto)
- #:use-module (guix utils)
- #:use-module (guix base16)
- #:use-module (guix hash)
- #:use-module (srfi srfi-1)
- #:use-module (srfi srfi-11)
- #:use-module (srfi srfi-26)
- #:use-module (srfi srfi-64)
- #:use-module (rnrs bytevectors)
- #:use-module (rnrs io ports)
- #:use-module (ice-9 match))
-
-;; Test the (guix pk-crypto) module.
-
-(define %key-pair
- ;; RSA key pair that was generated with:
- ;; (generate-key (string->canonical-sexp "(genkey (rsa (nbits 4:1024)))"))
- ;; which takes a bit of time.
- "(key-data
- (public-key
- (rsa
- (n #00C1F764069F54FFE93A126B02328903E984E4AE3AF6DF402B5B6B3907911B88C385F1BA76A002EC9DEA109A5228EF0E62EE31A06D1A5861CAB474F6C857AC66EB65A1905F25BBA1869579E73A3B7FED13AF5A1667326F88CDFC2FF24B03C14FD1384AA7E73CA89572880B606E3A974E15347963FC7B6378574936A47580DBCB45#)
- (e #010001#)))
- (private-key
- (rsa
- (n #00C1F764069F54FFE93A126B02328903E984E4AE3AF6DF402B5B6B3907911B88C385F1BA76A002EC9DEA109A5228EF0E62EE31A06D1A5861CAB474F6C857AC66EB65A1905F25BBA1869579E73A3B7FED13AF5A1667326F88CDFC2FF24B03C14FD1384AA7E73CA89572880B606E3A974E15347963FC7B6378574936A47580DBCB45#)
- (e #010001#)
- (d #58CAD84653D0046A8EC3F9AA82D9C829B145422109FC3F12DA01A694B92FA296E70D366FB166454D30E632CEE3A033B4C41781BA10325F69FCDC0250CA19C8EEB352FA085992494098DB133E682ED38A931701F0DED1A1E508F4341A4FB446A04F019427C7CB3C44F251EEA9D386100DA80F125E0FD5CE1B0DFEC6D21516EACD#)
- (p #00D47F185147EC39393CCDA4E7323FFC20FC8B8073E2A54DD63BA392A66975E4204CA48572496A9DFD7522436B852C07472A5AB25B7706F7C14E6F33FBC420FF3B#)
- (q #00E9AD22F158060BC9AE3601DA623AFC60FFF3058795802CA92371C00097335CF9A23D7782DE353C9DBA93D7BB99E6A24A411107605E722481C5C191F80D7EB77F#)
- (u #59B45B95AE01A7A7370FAFDB08FE73A4793CE37F228961B09B1B1E7DDAD9F8D3E28F5C5E8B4B067E6B8E0BBF3F690B42991A79E46108DDCDA2514323A66964DE#))))")
-
-(define %ecc-key-pair
- ;; Ed25519 key pair generated with:
- ;; (generate-key (string->canonical-sexp "(genkey (ecdsa (curve Ed25519) (flags rfc6979 transient)))"))
- "(key-data
- (public-key
- (ecc
- (curve Ed25519)
- (q #94869C1B9E69DB8DD910B7F7F4D6E56A63A964A59AE8F90F6703ACDDF6F50C81#)))
- (private-key
- (ecc
- (curve Ed25519)
- (q #94869C1B9E69DB8DD910B7F7F4D6E56A63A964A59AE8F90F6703ACDDF6F50C81#)
- (d #6EFB32D0B4EC6B3237B523539F1979379B82726AAA605EB2FBA6775B2B777B78#))))")
-
-(test-begin "pk-crypto")
-
-(test-assert "version"
- (gcrypt-version))
-
-(let ((sexps '("(foo bar)"
-
- ;; In Libgcrypt 1.5.3 the following integer is rendered as
- ;; binary, whereas in 1.6.0 it's rendered as is (hexadecimal.)
- ;;"#C0FFEE#"
-
- "(genkey \n (rsa \n (nbits \"1024\")\n )\n )")))
- (test-equal "string->canonical-sexp->string"
- sexps
- (let ((sexps (map string->canonical-sexp sexps)))
- (and (every canonical-sexp? sexps)
- (map (compose string-trim-both canonical-sexp->string) sexps)))))
-
-(gc) ; stress test!
-
-(let ((sexps `(("(foo bar)" foo -> "(foo bar)")
- ("(foo (bar (baz 3:123)))" baz -> "(baz \"123\")")
- ("(foo (bar 3:123))" baz -> #f))))
- (test-equal "find-sexp-token"
- (map (match-lambda
- ((_ _ '-> expected)
- expected))
- sexps)
- (map (match-lambda
- ((input token '-> _)
- (let ((sexp (find-sexp-token (string->canonical-sexp input) token)))
- (and sexp
- (string-trim-both (canonical-sexp->string sexp))))))
- sexps)))
-
-(gc)
-
-(test-equal "canonical-sexp-length"
- '(0 1 2 4 0 0)
- (map (compose canonical-sexp-length string->canonical-sexp)
- '("()" "(a)" "(a b)" "(a #616263# b #C001#)" "a" "#123456#")))
-
-(test-equal "canonical-sexp-list?"
- '(#t #f #t #f)
- (map (compose canonical-sexp-list? string->canonical-sexp)
- '("()" "\"abc\"" "(a b c)" "#123456#")))
-
-(gc)
-
-(test-equal "canonical-sexp-car + cdr"
- '("(b \n (c xyz)\n )")
- (let ((lst (string->canonical-sexp "(a (b (c xyz)))")))
- (map (lambda (sexp)
- (and sexp (string-trim-both (canonical-sexp->string sexp))))
- ;; Note: 'car' returns #f when the first element is an atom.
- (list (canonical-sexp-car (canonical-sexp-cdr lst))))))
-
-(gc)
-
-(test-equal "canonical-sexp-nth"
- '("(b pqr)" "(c \"456\")" "(d xyz)" #f #f)
-
- (let ((lst (string->canonical-sexp "(a (b 3:pqr) (c 3:456) (d 3:xyz))")))
- ;; XXX: In Libgcrypt 1.5.3, (canonical-sexp-nth lst 0) returns LST, whereas in
- ;; 1.6.0 it returns #f.
- (map (lambda (sexp)
- (and sexp (string-trim-both (canonical-sexp->string sexp))))
- (unfold (cut > <> 5)
- (cut canonical-sexp-nth lst <>)
- 1+
- 1))))
-
-(gc)
-
-(test-equal "canonical-sexp-nth-data"
- `(Name Otto Meier #f ,(base16-string->bytevector "123456") #f)
- (let ((lst (string->canonical-sexp
- "(Name Otto Meier (address Burgplatz) #123456#)")))
- (unfold (cut > <> 5)
- (cut canonical-sexp-nth-data lst <>)
- 1+
- 0)))
-
-(let ((bv (base16-string->bytevector
- "5eff0b55c9c5f5e87b4e34cd60a2d5654ca1eb78c7b3c67c3179fed1cff07b4c")))
- (test-equal "hash corrupt due to restrictive locale encoding"
- bv
-
- ;; In Guix up to 0.6 included this test would fail because at some point
- ;; the hash value would be cropped to ASCII. In practice 'guix
- ;; authenticate' would produce invalid signatures that would fail
- ;; signature verification. See <http://bugs.gnu.org/17312>.
- (let ((locale (setlocale LC_ALL)))
- (dynamic-wind
- (lambda ()
- (setlocale LC_ALL "C"))
- (lambda ()
- (hash-data->bytevector
- (string->canonical-sexp
- (canonical-sexp->string
- (bytevector->hash-data bv "sha256")))))
- (lambda ()
- (setlocale LC_ALL locale))))))
-
-(gc)
-
-;; XXX: The test below is typically too long as it needs to gather enough entropy.
-
-;; (test-assert "generate-key"
-;; (let ((key (generate-key (string->canonical-sexp
-;; "(genkey (rsa (nbits 3:128)))"))))
-;; (and (canonical-sexp? key)
-;; (find-sexp-token key 'key-data)
-;; (find-sexp-token key 'public-key)
-;; (find-sexp-token key 'private-key))))
-
-(test-assert "bytevector->hash-data->bytevector"
- (let* ((bv (sha256 (string->utf8 "Hello, world.")))
- (data (bytevector->hash-data bv "sha256")))
- (and (canonical-sexp? data)
- (let-values (((value algo) (hash-data->bytevector data)))
- (and (string=? algo "sha256")
- (bytevector=? value bv))))))
-
-(test-equal "key-type"
- '(rsa ecc)
- (map (compose key-type
- (cut find-sexp-token <> 'public-key)
- string->canonical-sexp)
- (list %key-pair %ecc-key-pair)))
-
-(test-assert "sign + verify"
- (let* ((pair (string->canonical-sexp %key-pair))
- (secret (find-sexp-token pair 'private-key))
- (public (find-sexp-token pair 'public-key))
- (data (bytevector->hash-data
- (sha256 (string->utf8 "Hello, world."))
- #:key-type (key-type public)))
- (sig (sign data secret)))
- (and (verify sig data public)
- (not (verify sig
- (bytevector->hash-data
- (sha256 (string->utf8 "Hi!"))
- #:key-type (key-type public))
- public)))))
-
-;; Ed25519 appeared in libgcrypt 1.6.0.
-(test-skip (if (version>? (gcrypt-version) "1.6.0") 0 1))
-(test-assert "sign + verify, Ed25519"
- (let* ((pair (string->canonical-sexp %ecc-key-pair))
- (secret (find-sexp-token pair 'private-key))
- (public (find-sexp-token pair 'public-key))
- (data (bytevector->hash-data
- (sha256 (string->utf8 "Hello, world."))))
- (sig (sign data secret)))
- (and (verify sig data public)
- (not (verify sig
- (bytevector->hash-data
- (sha256 (string->utf8 "Hi!")))
- public)))))
-
-(gc)
-
-(test-equal "canonical-sexp->sexp"
- `((data
- (flags pkcs1)
- (hash sha256
- ,(base16-string->bytevector
- "2749f0ea9f26c6c7be746a9cff8fa4c2f2a02b000070dba78429e9a11f87c6eb")))
-
- (public-key
- (rsa
- (n ,(base16-string->bytevector
- (string-downcase
- "00C1F764069F54FFE93A126B02328903E984E4AE3AF6DF402B5B6B3907911B88C385F1BA76A002EC9DEA109A5228EF0E62EE31A06D1A5861CAB474F6C857AC66EB65A1905F25BBA1869579E73A3B7FED13AF5A1667326F88CDFC2FF24B03C14FD1384AA7E73CA89572880B606E3A974E15347963FC7B6378574936A47580DBCB45")))
- (e ,(base16-string->bytevector
- "010001")))))
-
- (list (canonical-sexp->sexp
- (string->canonical-sexp
- "(data
- (flags pkcs1)
- (hash \"sha256\"
- #2749f0ea9f26c6c7be746a9cff8fa4c2f2a02b000070dba78429e9a11f87c6eb#))"))
-
- (canonical-sexp->sexp
- (find-sexp-token (string->canonical-sexp %key-pair)
- 'public-key))))
-
-
-(let ((lst
- `((data
- (flags pkcs1)
- (hash sha256
- ,(base16-string->bytevector
- "2749f0ea9f26c6c7be746a9cff8fa4c2f2a02b000070dba78429e9a11f87c6eb")))
-
- (public-key
- (rsa
- (n ,(base16-string->bytevector
- (string-downcase
- "00C1F764069F54FFE93A126B02328903E984E4AE3AF6DF402B5B6B3907911B88C385F1BA76A002EC9DEA109A5228EF0E62EE31A06D1A5861CAB474F6C857AC66EB65A1905F25BBA1869579E73A3B7FED13AF5A1667326F88CDFC2FF24B03C14FD1384AA7E73CA89572880B606E3A974E15347963FC7B6378574936A47580DBCB45")))
- (e ,(base16-string->bytevector
- "010001"))))
-
- ,(base16-string->bytevector
- "2749f0ea9f26c6c7be746a9cff8fa4c2f2a02b000070dba78429e9a11f87c6eb"))))
- (test-equal "sexp->canonical-sexp->sexp"
- lst
- (map (compose canonical-sexp->sexp sexp->canonical-sexp)
- lst)))
-
-(let ((sexp `(signature
- (public-key
- (rsa
- (n ,(make-bytevector 1024 1))
- (e ,(base16-string->bytevector "010001")))))))
- (test-equal "https://bugs.g10code.com/gnupg/issue1594"
- ;; The gcrypt bug above was primarily affecting our uses in
- ;; 'canonical-sexp->sexp', typically when applied to a signature sexp (in
- ;; 'guix authenticate -verify') with a "big" RSA key, such as 4096 bits.
- sexp
- (canonical-sexp->sexp (sexp->canonical-sexp sexp))))
-
-(test-end)
generated by cgit v1.2.3 (git 2.25.4) at 2024-11-01 12:32:42 +0000