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https://github.com/ashinn/chibi-scheme.git
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c52873e8b9
a SRFI 60 installed which imports (scheme base). This can still break in theory if a user installs a third-party SRFI 33 in the search path in front of the Chibi SRFI 33, but we can't always be safe against such behavior. Fixes issue #267.
29 lines
810 B
Scheme
29 lines
810 B
Scheme
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;;> Implementation of the SHA-2 (Secure Hash Algorithm) cryptographic
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;;> hash.
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(define-library (chibi crypto sha2)
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(import (scheme base))
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(export sha-224 sha-256)
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(cond-expand
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(chibi
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(include "sha2-native.scm")
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(include-shared "crypto"))
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(else
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(cond-expand
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((library (srfi 33)) (import (srfi 33)))
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(else (import (srfi 60))))
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(import (chibi bytevector))
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(include "sha2.scm"))))
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;;> \procedure{(sha-224 src)}
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;;>
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;;> Computes SHA-224 digest of the \var{src} which can be a string,
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;;> a bytevector, or a binary input port. Returns a hexadecimal string
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;;> (in lowercase).
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;;> \procedure{(sha-256 src)}
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;;>
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;;> Computes SHA-256 digest of the \var{src} which can be a string,
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;;> a bytevector, or a binary input port. Returns a hexadecimal string
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;;> (in lowercase).
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