Hi !
You also need to specify "-outform PEM".
# openssl x509 -in somecertificate.cer -inform DER -out somecertificate.pem
-outform PEM
unable to load certificate
88876:error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong
tag:/usr/src/secure/lib/libcrypto/../../../crypto/openssl/crypto/asn1/tasn_dec.c:946:
88876:error:0D07803A:asn1 encoding routines:ASN1_ITEM_EX_D2I:nested asn1
error:/usr/src/secure/lib/libcrypto/../../../crypto/openssl/crypto/asn1/tasn_dec.c:304:Type=X509
-
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